Patent
US 11,027,261FUNCTIONALIZED HYBRID NANOTUBE C@MoS₂/SnS₂ AND PREPARATION METHOD AND APPLICATION THEREOF
Jianmei LU
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,027,261Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A preparation method of a functionalized hybrid nanotube C@MoS₂/SnS2, comprising the following steps: (1) dissolving ammonium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; (2) adding L-cysteine and glucose into water containing MoO 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes; (3) adding C@MoS₂ nanotubes into water containing SnC l 4-5H 2 0 and KSCN, and hydrothe rm ally reacting to obtain functionalized hybrid nanotubes C@MoS₂/SnS2. Original
The method according to claim 1, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenediamine is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 * C, and the reaction time is 2 hours. Previously presented
The method according to claim 1, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3 -EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 ° C; calcination is carried out for 2 h at 700 * C under nitrogen. Previously presented
The method according to claim 1, wherein in step (3), the mass ratio of SnC l4- 5H₂ O, C@M o S₂ nanotubes, and KSCN is (6.5-7): 5: 10; the hydrothermal reaction is carried out for 20 hours at 180 °C. Previously presented
A preparation method of C@MoS₂ nanotubes, comprising the following steps: (1) dissolving a m monium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; (2) adding L-cysteine and glucose into water containing M o O 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes. Original
The method according to claim 2, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenediamine is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 ° C, and the reaction time is 2 hours. Previously presented
The method according to claim 2, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3-EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 * C; calcination is carried out for 2 h at 700 4 C under nitrogen. Previously presented
A method for photocatalytic trea t ment of heavy metal ions, comprising the following steps: (1) dissolving ammonium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; PAGE 2 r6 * RCVD AT 4 1151 2021 11:26:18 PM [Easte m Daylight Time] ' SVR:W-PTOFAX-002 5' DNIS:2738300 CSID:unkn own ' ANI:2024991906 ' DURATION (mm-ss):02 -23 Application No.: 16/427,095 Docket No.: 10001.0107 (2) adding L-cysteine and glucose into water containing MoO 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes; (3) adding C@MoS₂ nanotubes into water containing SnC 14- 5H 2 0 and KSCN, and hydrothermally reacting to obtain functionalized hybrid nanotubes C@MoS₂/SnS2; (4) adding the functionalized hybrid nanotubes C@MoS₂/SnS₂ to a solution containing heavy metal ions and irradiated to realize photocatalytic treatment of heavy metal ions. Original
The method according to claim 3, wherein in step (4), the illumination is irradiated by the xenon light source. Original
The method according to claim 3, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenedia min e is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 ° C, and the reaction time is 2 hours. Previously presented
The method according to claim 3, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3 -EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 * C; calcination is carried out for 2 h at 700 " C under nitrogen. Previously presented
The method according to claim 3, wherein in step (3), the mass ratio of SnC l 4-5H 2 O, C@MoS₂ nanotubes, and KSCN is (6.5-7): 5: 10; the hydrothermal reaction is carried out for 20 hours at 180 *C. Previously presented
Canceled
Canceled
PAGE 3 16 * RCVD AT 4/151 2021 11:26:1 8 P M [Eastern Daylight Time] * SVR:W-PTOFAX-002 15 * DNIS:2 7 38300 * CSID: unk n own * AN:2024991906 * DURATION (mm-ss):02-23 Application No.: 16/427,095 Docket No.: 10001.0107 Canceled
PAGE 41 0 RCVD AT 4 1151 2021 11:2 6:18 PM [Easte m Daylight Time] ' SVR:W-PTOFAX-002 15 " DNIS:273 8 300 * CSID:unkn own *ANI:2024991906 * DURATION (mm-ss):02-23 Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
Preparation of precursor MoO₃-EDA nanowires: 2.48 g ammonium molybdate tetrahydrate dissolved in 30 mL deionized water under ultrasound, 1.6 g ethylenediamine added with stirring, 1 mol/L HCl slowly added until white solid precipitates, heated at 50°C for 2 h, filtered and washed to obtain MoO₃-EDA nanowires, vacuum-dried at 50°C for 12 h.
6 materials2 process steps
Preparation of C@MoS₂ nanotubes and C@MoS₂/SnS₂ hybrid nanotubes: 0.2 g MoO₃-EDA dispersed in 30 mL deionized water, 0.56 g L-cysteine and 0.297 g glucose added and dissolved under ultrasonic treatment for 1 h, transferred to 50 mL Teflon-lined autoclave at 200°C for 12 h, product collected by centrifugation, washed with deionized water and ethanol, dried at 60°C for 12 h in vacuum oven, calcined at 700°C under N₂ for 2 h to obtain C@MoS2. Then 0.66 g SnCl₄-5H₂O and 1.0 g KSCN dissolved in 25 mL water, 500 mg C@MoS₂ nanotubes added, transferred to 50 mL stainless steel autoclave at 180°C for 20 h to obtain C@MoS₂/SnS₂ hybrid nanotubes.
3 materials1 process step
Photocatalytic treatment of heavy metal ions: C@MoS₂/SnS₂ hybrid nanotubes, SnS₂ and C@MoS₂ nanotubes (50 mg each) added to 50 mg/L heavy metal ion solution at pH=2, irradiated with Xenon light source (300 W, λ>400 nm) for 90 min. Heavy metal ion content analyzed by UV-vis spectrophotometry after irradiation.
Materials described outside the worked examples.
KSCN
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Photocatalytic Removal Efficiency | 100 % | C@MoS₂/SnS₂ functionalized hybrid nanotubes |
Thickness |
Related documents with shared materials, methods, properties, or citations.
MONATOMIC METAL-DOPED FEW-LAYER MOLYBDENUM DISULFIDE ELECTROCATALYTIC MATERIAL, PREPARING METHOD THEREOF, AND METHOD FOR ELECTROCATALYTIC NITROGEN FIXATION
HYDROTHERMAL SYNTHESIS OF ALKALI PROMOTED MOS2-BASED CATALYST
Patent
Atlas literature
Patent
US 11,027,261Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A preparation method of a functionalized hybrid nanotube C@MoS₂/SnS2, comprising the following steps: (1) dissolving ammonium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; (2) adding L-cysteine and glucose into water containing MoO 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes; (3) adding C@MoS₂ nanotubes into water containing SnC l 4-5H 2 0 and KSCN, and hydrothe rm ally reacting to obtain functionalized hybrid nanotubes C@MoS₂/SnS2. Original
The method according to claim 1, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenediamine is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 * C, and the reaction time is 2 hours. Previously presented
The method according to claim 1, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3 -EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 ° C; calcination is carried out for 2 h at 700 * C under nitrogen. Previously presented
The method according to claim 1, wherein in step (3), the mass ratio of SnC l4- 5H₂ O, C@M o S₂ nanotubes, and KSCN is (6.5-7): 5: 10; the hydrothermal reaction is carried out for 20 hours at 180 °C. Previously presented
A preparation method of C@MoS₂ nanotubes, comprising the following steps: (1) dissolving a m monium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; (2) adding L-cysteine and glucose into water containing M o O 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes. Original
The method according to claim 2, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenediamine is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 ° C, and the reaction time is 2 hours. Previously presented
The method according to claim 2, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3-EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 * C; calcination is carried out for 2 h at 700 4 C under nitrogen. Previously presented
A method for photocatalytic trea t ment of heavy metal ions, comprising the following steps: (1) dissolving ammonium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; PAGE 2 r6 * RCVD AT 4 1151 2021 11:26:18 PM [Easte m Daylight Time] ' SVR:W-PTOFAX-002 5' DNIS:2738300 CSID:unkn own ' ANI:2024991906 ' DURATION (mm-ss):02 -23 Application No.: 16/427,095 Docket No.: 10001.0107 (2) adding L-cysteine and glucose into water containing MoO 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes; (3) adding C@MoS₂ nanotubes into water containing SnC 14- 5H 2 0 and KSCN, and hydrothermally reacting to obtain functionalized hybrid nanotubes C@MoS₂/SnS2; (4) adding the functionalized hybrid nanotubes C@MoS₂/SnS₂ to a solution containing heavy metal ions and irradiated to realize photocatalytic treatment of heavy metal ions. Original
The method according to claim 3, wherein in step (4), the illumination is irradiated by the xenon light source. Original
The method according to claim 3, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenedia min e is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 ° C, and the reaction time is 2 hours. Previously presented
The method according to claim 3, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3 -EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 * C; calcination is carried out for 2 h at 700 " C under nitrogen. Previously presented
The method according to claim 3, wherein in step (3), the mass ratio of SnC l 4-5H 2 O, C@MoS₂ nanotubes, and KSCN is (6.5-7): 5: 10; the hydrothermal reaction is carried out for 20 hours at 180 *C. Previously presented
Canceled
Canceled
PAGE 3 16 * RCVD AT 4/151 2021 11:26:1 8 P M [Eastern Daylight Time] * SVR:W-PTOFAX-002 15 * DNIS:2 7 38300 * CSID: unk n own * AN:2024991906 * DURATION (mm-ss):02-23 Application No.: 16/427,095 Docket No.: 10001.0107 Canceled
PAGE 41 0 RCVD AT 4 1151 2021 11:2 6:18 PM [Easte m Daylight Time] ' SVR:W-PTOFAX-002 15 " DNIS:273 8 300 * CSID:unkn own *ANI:2024991906 * DURATION (mm-ss):02-23 Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
Preparation of precursor MoO₃-EDA nanowires: 2.48 g ammonium molybdate tetrahydrate dissolved in 30 mL deionized water under ultrasound, 1.6 g ethylenediamine added with stirring, 1 mol/L HCl slowly added until white solid precipitates, heated at 50°C for 2 h, filtered and washed to obtain MoO₃-EDA nanowires, vacuum-dried at 50°C for 12 h.
6 materials2 process steps
Preparation of C@MoS₂ nanotubes and C@MoS₂/SnS₂ hybrid nanotubes: 0.2 g MoO₃-EDA dispersed in 30 mL deionized water, 0.56 g L-cysteine and 0.297 g glucose added and dissolved under ultrasonic treatment for 1 h, transferred to 50 mL Teflon-lined autoclave at 200°C for 12 h, product collected by centrifugation, washed with deionized water and ethanol, dried at 60°C for 12 h in vacuum oven, calcined at 700°C under N₂ for 2 h to obtain C@MoS2. Then 0.66 g SnCl₄-5H₂O and 1.0 g KSCN dissolved in 25 mL water, 500 mg C@MoS₂ nanotubes added, transferred to 50 mL stainless steel autoclave at 180°C for 20 h to obtain C@MoS₂/SnS₂ hybrid nanotubes.
3 materials1 process step
Photocatalytic treatment of heavy metal ions: C@MoS₂/SnS₂ hybrid nanotubes, SnS₂ and C@MoS₂ nanotubes (50 mg each) added to 50 mg/L heavy metal ion solution at pH=2, irradiated with Xenon light source (300 W, λ>400 nm) for 90 min. Heavy metal ion content analyzed by UV-vis spectrophotometry after irradiation.
Materials described outside the worked examples.
KSCN
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Photocatalytic Removal Efficiency | 100 % | C@MoS₂/SnS₂ functionalized hybrid nanotubes |
Thickness |
Related documents with shared materials, methods, properties, or citations.
MONATOMIC METAL-DOPED FEW-LAYER MOLYBDENUM DISULFIDE ELECTROCATALYTIC MATERIAL, PREPARING METHOD THEREOF, AND METHOD FOR ELECTROCATALYTIC NITROGEN FIXATION
HYDROTHERMAL SYNTHESIS OF ALKALI PROMOTED MOS2-BASED CATALYST
Patent
Atlas literature
Patent
US 11,027,261Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A preparation method of a functionalized hybrid nanotube C@MoS₂/SnS2, comprising the following steps: (1) dissolving ammonium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; (2) adding L-cysteine and glucose into water containing MoO 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes; (3) adding C@MoS₂ nanotubes into water containing SnC l 4-5H 2 0 and KSCN, and hydrothe rm ally reacting to obtain functionalized hybrid nanotubes C@MoS₂/SnS2. Original
The method according to claim 1, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenediamine is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 * C, and the reaction time is 2 hours. Previously presented
The method according to claim 1, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3 -EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 ° C; calcination is carried out for 2 h at 700 * C under nitrogen. Previously presented
The method according to claim 1, wherein in step (3), the mass ratio of SnC l4- 5H₂ O, C@M o S₂ nanotubes, and KSCN is (6.5-7): 5: 10; the hydrothermal reaction is carried out for 20 hours at 180 °C. Previously presented
A preparation method of C@MoS₂ nanotubes, comprising the following steps: (1) dissolving a m monium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; (2) adding L-cysteine and glucose into water containing M o O 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes. Original
The method according to claim 2, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenediamine is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 ° C, and the reaction time is 2 hours. Previously presented
The method according to claim 2, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3-EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 * C; calcination is carried out for 2 h at 700 4 C under nitrogen. Previously presented
A method for photocatalytic trea t ment of heavy metal ions, comprising the following steps: (1) dissolving ammonium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; PAGE 2 r6 * RCVD AT 4 1151 2021 11:26:18 PM [Easte m Daylight Time] ' SVR:W-PTOFAX-002 5' DNIS:2738300 CSID:unkn own ' ANI:2024991906 ' DURATION (mm-ss):02 -23 Application No.: 16/427,095 Docket No.: 10001.0107 (2) adding L-cysteine and glucose into water containing MoO 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes; (3) adding C@MoS₂ nanotubes into water containing SnC 14- 5H 2 0 and KSCN, and hydrothermally reacting to obtain functionalized hybrid nanotubes C@MoS₂/SnS2; (4) adding the functionalized hybrid nanotubes C@MoS₂/SnS₂ to a solution containing heavy metal ions and irradiated to realize photocatalytic treatment of heavy metal ions. Original
The method according to claim 3, wherein in step (4), the illumination is irradiated by the xenon light source. Original
The method according to claim 3, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenedia min e is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 ° C, and the reaction time is 2 hours. Previously presented
The method according to claim 3, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3 -EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 * C; calcination is carried out for 2 h at 700 " C under nitrogen. Previously presented
The method according to claim 3, wherein in step (3), the mass ratio of SnC l 4-5H 2 O, C@MoS₂ nanotubes, and KSCN is (6.5-7): 5: 10; the hydrothermal reaction is carried out for 20 hours at 180 *C. Previously presented
Canceled
Canceled
PAGE 3 16 * RCVD AT 4/151 2021 11:26:1 8 P M [Eastern Daylight Time] * SVR:W-PTOFAX-002 15 * DNIS:2 7 38300 * CSID: unk n own * AN:2024991906 * DURATION (mm-ss):02-23 Application No.: 16/427,095 Docket No.: 10001.0107 Canceled
PAGE 41 0 RCVD AT 4 1151 2021 11:2 6:18 PM [Easte m Daylight Time] ' SVR:W-PTOFAX-002 15 " DNIS:273 8 300 * CSID:unkn own *ANI:2024991906 * DURATION (mm-ss):02-23 Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
Preparation of precursor MoO₃-EDA nanowires: 2.48 g ammonium molybdate tetrahydrate dissolved in 30 mL deionized water under ultrasound, 1.6 g ethylenediamine added with stirring, 1 mol/L HCl slowly added until white solid precipitates, heated at 50°C for 2 h, filtered and washed to obtain MoO₃-EDA nanowires, vacuum-dried at 50°C for 12 h.
6 materials2 process steps
Preparation of C@MoS₂ nanotubes and C@MoS₂/SnS₂ hybrid nanotubes: 0.2 g MoO₃-EDA dispersed in 30 mL deionized water, 0.56 g L-cysteine and 0.297 g glucose added and dissolved under ultrasonic treatment for 1 h, transferred to 50 mL Teflon-lined autoclave at 200°C for 12 h, product collected by centrifugation, washed with deionized water and ethanol, dried at 60°C for 12 h in vacuum oven, calcined at 700°C under N₂ for 2 h to obtain C@MoS2. Then 0.66 g SnCl₄-5H₂O and 1.0 g KSCN dissolved in 25 mL water, 500 mg C@MoS₂ nanotubes added, transferred to 50 mL stainless steel autoclave at 180°C for 20 h to obtain C@MoS₂/SnS₂ hybrid nanotubes.
3 materials1 process step
Photocatalytic treatment of heavy metal ions: C@MoS₂/SnS₂ hybrid nanotubes, SnS₂ and C@MoS₂ nanotubes (50 mg each) added to 50 mg/L heavy metal ion solution at pH=2, irradiated with Xenon light source (300 W, λ>400 nm) for 90 min. Heavy metal ion content analyzed by UV-vis spectrophotometry after irradiation.
Materials described outside the worked examples.
KSCN
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Photocatalytic Removal Efficiency | 100 % | C@MoS₂/SnS₂ functionalized hybrid nanotubes |
Thickness |
Related documents with shared materials, methods, properties, or citations.
MONATOMIC METAL-DOPED FEW-LAYER MOLYBDENUM DISULFIDE ELECTROCATALYTIC MATERIAL, PREPARING METHOD THEREOF, AND METHOD FOR ELECTROCATALYTIC NITROGEN FIXATION
HYDROTHERMAL SYNTHESIS OF ALKALI PROMOTED MOS2-BASED CATALYST
Patent
Atlas literature
Patent
US 11,027,261Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A preparation method of a functionalized hybrid nanotube C@MoS₂/SnS2, comprising the following steps: (1) dissolving ammonium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; (2) adding L-cysteine and glucose into water containing MoO 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes; (3) adding C@MoS₂ nanotubes into water containing SnC l 4-5H 2 0 and KSCN, and hydrothe rm ally reacting to obtain functionalized hybrid nanotubes C@MoS₂/SnS2. Original
The method according to claim 1, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenediamine is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 * C, and the reaction time is 2 hours. Previously presented
The method according to claim 1, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3 -EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 ° C; calcination is carried out for 2 h at 700 * C under nitrogen. Previously presented
The method according to claim 1, wherein in step (3), the mass ratio of SnC l4- 5H₂ O, C@M o S₂ nanotubes, and KSCN is (6.5-7): 5: 10; the hydrothermal reaction is carried out for 20 hours at 180 °C. Previously presented
A preparation method of C@MoS₂ nanotubes, comprising the following steps: (1) dissolving a m monium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; (2) adding L-cysteine and glucose into water containing M o O 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes. Original
The method according to claim 2, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenediamine is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 ° C, and the reaction time is 2 hours. Previously presented
The method according to claim 2, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3-EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 * C; calcination is carried out for 2 h at 700 4 C under nitrogen. Previously presented
A method for photocatalytic trea t ment of heavy metal ions, comprising the following steps: (1) dissolving ammonium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain M oO 3 -EDA nanowires; PAGE 2 r6 * RCVD AT 4 1151 2021 11:26:18 PM [Easte m Daylight Time] ' SVR:W-PTOFAX-002 5' DNIS:2738300 CSID:unkn own ' ANI:2024991906 ' DURATION (mm-ss):02 -23 Application No.: 16/427,095 Docket No.: 10001.0107 (2) adding L-cysteine and glucose into water containing MoO 3 -EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoS₂ nanotubes; (3) adding C@MoS₂ nanotubes into water containing SnC 14- 5H 2 0 and KSCN, and hydrothermally reacting to obtain functionalized hybrid nanotubes C@MoS₂/SnS2; (4) adding the functionalized hybrid nanotubes C@MoS₂/SnS₂ to a solution containing heavy metal ions and irradiated to realize photocatalytic treatment of heavy metal ions. Original
The method according to claim 3, wherein in step (4), the illumination is irradiated by the xenon light source. Original
The method according to claim 3, wherein in step (1), the mass ratio of ammonium molybdate tetrahydrate and ethylenedia min e is (1.5 to 1.6):1; the concentration of dilute hydrochloric acid is 1 mol/L; the reaction temperature is 50 ° C, and the reaction time is 2 hours. Previously presented
The method according to claim 3, wherein in step (2), the mass ratio of the L-cysteine, glucose, and M oO 3 -EDA nanowires is (5-6): 3: 2; heating for 12 h at 200 * C; calcination is carried out for 2 h at 700 " C under nitrogen. Previously presented
The method according to claim 3, wherein in step (3), the mass ratio of SnC l 4-5H 2 O, C@MoS₂ nanotubes, and KSCN is (6.5-7): 5: 10; the hydrothermal reaction is carried out for 20 hours at 180 *C. Previously presented
Canceled
Canceled
PAGE 3 16 * RCVD AT 4/151 2021 11:26:1 8 P M [Eastern Daylight Time] * SVR:W-PTOFAX-002 15 * DNIS:2 7 38300 * CSID: unk n own * AN:2024991906 * DURATION (mm-ss):02-23 Application No.: 16/427,095 Docket No.: 10001.0107 Canceled
PAGE 41 0 RCVD AT 4 1151 2021 11:2 6:18 PM [Easte m Daylight Time] ' SVR:W-PTOFAX-002 15 " DNIS:273 8 300 * CSID:unkn own *ANI:2024991906 * DURATION (mm-ss):02-23 Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
Preparation of precursor MoO₃-EDA nanowires: 2.48 g ammonium molybdate tetrahydrate dissolved in 30 mL deionized water under ultrasound, 1.6 g ethylenediamine added with stirring, 1 mol/L HCl slowly added until white solid precipitates, heated at 50°C for 2 h, filtered and washed to obtain MoO₃-EDA nanowires, vacuum-dried at 50°C for 12 h.
6 materials2 process steps
Preparation of C@MoS₂ nanotubes and C@MoS₂/SnS₂ hybrid nanotubes: 0.2 g MoO₃-EDA dispersed in 30 mL deionized water, 0.56 g L-cysteine and 0.297 g glucose added and dissolved under ultrasonic treatment for 1 h, transferred to 50 mL Teflon-lined autoclave at 200°C for 12 h, product collected by centrifugation, washed with deionized water and ethanol, dried at 60°C for 12 h in vacuum oven, calcined at 700°C under N₂ for 2 h to obtain C@MoS2. Then 0.66 g SnCl₄-5H₂O and 1.0 g KSCN dissolved in 25 mL water, 500 mg C@MoS₂ nanotubes added, transferred to 50 mL stainless steel autoclave at 180°C for 20 h to obtain C@MoS₂/SnS₂ hybrid nanotubes.
3 materials1 process step
Photocatalytic treatment of heavy metal ions: C@MoS₂/SnS₂ hybrid nanotubes, SnS₂ and C@MoS₂ nanotubes (50 mg each) added to 50 mg/L heavy metal ion solution at pH=2, irradiated with Xenon light source (300 W, λ>400 nm) for 90 min. Heavy metal ion content analyzed by UV-vis spectrophotometry after irradiation.
Materials described outside the worked examples.
KSCN
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Photocatalytic Removal Efficiency | 100 % | C@MoS₂/SnS₂ functionalized hybrid nanotubes |
Thickness |
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