Durable Enhancement of MoS2 Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions

Mahan Bakhshikhah; Jiří Liška; Rahul Kesarwani; Jindřich Mach; Ondřej Červinka; Petr Dub; Jiří Spousta; Jan Přibyl; Jana Kalbáčová Vejpravová; Tomáš Šikola

doi:10.5281/zenodo.20159866

Paper details

Research paper

Experimental Characterization

Durable Enhancement of MoS₂ Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions

Mahan Bakhshikhah, Jiří Liška, Rahul Kesarwani, Jindřich Mach et al.

2026·10.5281/zenodo.20159866·arXiv:2605.17363

Samples

Each sample groups how it was prepared, characterized, and measured. Click a card to expand.

Exfoliated single-layer MoS₂ flake on c-cut sapphire, measured before and after UV laser treatment under ambient conditions.

2 preparations1 characterization4 properties1 figure

ExperimentalMoS₂Studied MaterialAl₂O₃Substrate / Dielectric

CVD-grown single-layer MoS₂ on c-cut sapphire, discussed as having stable enhanced photoluminescence after UV laser treatment under ambient conditions.

2 preparations1 characterization1 figure

ExperimentalMoS₂Studied MaterialAl₂O₃Substrate / Dielectric

Materials

MoS₂

Studied Material

Also known as

molybdenum disulfidesingle-layer MoS₂

studied material

c-cut sapphire

Al₂O₃

Substrate / Dielectric

Why these are connected

Related documents with shared materials, methods, properties, or citations.

Durable Enhancement of MoS2 Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions | Matter42 Literature

Properties

Type	Label	Value	Material	Sample	Condition	Source
Pl Peak Fwhm	exciton emission envelope	0.09eV	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Fwhm	exciton emission envelope	0.06eV	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Intensity	peak height enhancement factor	8.8	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Intensity	integrated area enhancement factor	6	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
PL Peak	regex-detected PL peak	532nm	MoS₂	—	—	—
Ir Band Position	IR band	404.4cm⁻¹	MoS₂	—	—	—
Ir Band Position	IR band	403.9cm⁻¹	MoS₂	—	—	—
Ir Band Position	IR band	405.1cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	385.2cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	383.6cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	0.7cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	404.3cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	0.5cm⁻¹	MoS₂	—	—	—
Exciton Peak	B exciton	2.02eV	MoS₂	—	—	—

Properties

Type	Label	Value	Material	Sample	Condition	Source
Pl Peak Fwhm	exciton emission envelope	0.09eV	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Fwhm	exciton emission envelope	0.06eV	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Intensity	peak height enhancement factor	8.8	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Intensity	integrated area enhancement factor	6	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
PL Peak	regex-detected PL peak	532nm	MoS₂	—	—	—
Ir Band Position	IR band	404.4cm⁻¹	MoS₂	—	—	—
Ir Band Position	IR band	403.9cm⁻¹	MoS₂	—	—	—
Ir Band Position	IR band	405.1cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	385.2cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	383.6cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	0.7cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	404.3cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	0.5cm⁻¹	MoS₂	—	—	—
Exciton Peak	B exciton	2.02eV	MoS₂	—	—	—

Properties

Type	Label	Value	Material	Sample	Condition	Source
Pl Peak Fwhm	exciton emission envelope	0.09eV	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Fwhm	exciton emission envelope	0.06eV	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Intensity	peak height enhancement factor	8.8	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Intensity	integrated area enhancement factor	6	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
PL Peak	regex-detected PL peak	532nm	MoS₂	—	—	—
Ir Band Position	IR band	404.4cm⁻¹	MoS₂	—	—	—
Ir Band Position	IR band	403.9cm⁻¹	MoS₂	—	—	—
Ir Band Position	IR band	405.1cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	385.2cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	383.6cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	0.7cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	404.3cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	0.5cm⁻¹	MoS₂	—	—	—
Exciton Peak	B exciton	2.02eV	MoS₂	—	—	—

Properties

Type	Label	Value	Material	Sample	Condition	Source
Pl Peak Fwhm	exciton emission envelope	0.09eV	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Fwhm	exciton emission envelope	0.06eV	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Intensity	peak height enhancement factor	8.8	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
Pl Peak Intensity	integrated area enhancement factor	6	MoS₂	Exfoliated single-layer MoS₂ flake on c-cut sapphire, measur		—
PL Peak	regex-detected PL peak	532nm	MoS₂	—	—	—
Ir Band Position	IR band	404.4cm⁻¹	MoS₂	—	—	—
Ir Band Position	IR band	403.9cm⁻¹	MoS₂	—	—	—
Ir Band Position	IR band	405.1cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	385.2cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	383.6cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	0.7cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	404.3cm⁻¹	MoS₂	—	—	—
Ir Band Shift	band shift	0.5cm⁻¹	MoS₂	—	—	—
Exciton Peak	B exciton	2.02eV	MoS₂	—	—	—

Durable Enhancement of MoS₂ Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions

Samples

Exfoliated single-layer MoS₂ flake on c-cut sapphire, measured before and after UV laser treatment under ambient conditions.

CVD-grown single-layer MoS₂ on c-cut sapphire, discussed as having stable enhanced photoluminescence after UV laser treatment under ambient conditions.

Materials

Why these are connected

Durable Enhancement of MoS₂ Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions

Samples

Exfoliated single-layer MoS₂ flake on c-cut sapphire, measured before and after UV laser treatment under ambient conditions.

CVD-grown single-layer MoS₂ on c-cut sapphire, discussed as having stable enhanced photoluminescence after UV laser treatment under ambient conditions.

Materials

Why these are connected

Durable Enhancement of MoS₂ Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions

Samples

Exfoliated single-layer MoS₂ flake on c-cut sapphire, measured before and after UV laser treatment under ambient conditions.

CVD-grown single-layer MoS₂ on c-cut sapphire, discussed as having stable enhanced photoluminescence after UV laser treatment under ambient conditions.

Materials

Why these are connected

Durable Enhancement of MoS₂ Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions

Samples

Exfoliated single-layer MoS₂ flake on c-cut sapphire, measured before and after UV laser treatment under ambient conditions.

CVD-grown single-layer MoS₂ on c-cut sapphire, discussed as having stable enhanced photoluminescence after UV laser treatment under ambient conditions.

Materials

Why these are connected

Durable Enhancement of MoS₂ Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions

Samples

Exfoliated single-layer MoS₂ flake on c-cut sapphire, measured before and after UV laser treatment under ambient conditions.

CVD-grown single-layer MoS₂ on c-cut sapphire, discussed as having stable enhanced photoluminescence after UV laser treatment under ambient conditions.

Materials

Why these are connected

Durable Enhancement of MoS₂ Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions

Samples

Exfoliated single-layer MoS₂ flake on c-cut sapphire, measured before and after UV laser treatment under ambient conditions.

CVD-grown single-layer MoS₂ on c-cut sapphire, discussed as having stable enhanced photoluminescence after UV laser treatment under ambient conditions.

Materials

Why these are connected

Durable Enhancement of MoS₂ Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions

Samples

Exfoliated single-layer MoS₂ flake on c-cut sapphire, measured before and after UV laser treatment under ambient conditions.

CVD-grown single-layer MoS₂ on c-cut sapphire, discussed as having stable enhanced photoluminescence after UV laser treatment under ambient conditions.

Materials

Why these are connected

Durable Enhancement of MoS₂ Single-Layer Photoluminescence by Ultraviolet Laser Treatment Under Ambient Conditions

Samples

Exfoliated single-layer MoS₂ flake on c-cut sapphire, measured before and after UV laser treatment under ambient conditions.

CVD-grown single-layer MoS₂ on c-cut sapphire, discussed as having stable enhanced photoluminescence after UV laser treatment under ambient conditions.

Materials

Why these are connected

Processing

Characterization

Properties

Processing

Characterization

Properties

Processing

Characterization

Properties

Processing

Characterization

Properties