FIG. 1 shows SEM images of graphene films functionalized with ZnO, ITO, Cu O, and Fe₂ O 3 nanoparticles. [0012]

FIG. 2 shows device geometries being tested. Device 1 has a mesa structure in which graphene was etched into 10 p m line/space pairs configured perpendicular to …

FIG. 3 shows an optical image of a fabricated chip. [0034] Using the most effective nanoparticle dispersion conditions, graphene films and fabricated devices …

FIG. 4 is an SEM image of a functionalized device. [0015]

FIG. 5. It is clear that the functionalization was successful and coverage depends on the nanoparticle type. Device Testing [0035] Following fabrication, the …

FIG. 6 was used for the liquid fuel testing. The chip was positioned at the center, so that the probes could reach the pattered gold contacts. Liquid fuel was …

FIG. 7. Devices were each contacted with a pair of Au-coated W probes on a conventional probe station (see

FIG. 8. The device had a relatively fast negative response with resistance change of 7% within 10 minutes. It should be noted that the mobility and carrier …

FIG. 9. With synthetic fuel, the bare graphene chip has a positive response, while the functionalized chips have a negative response. With JP₈ fuel, all tested …

FIG. 10 where the measured sheet resistance before and after isopropanol rinse are compared. The observed trend was valid for all tested chips. [0038] …

FIG. 11, the bare graphene and the four different functionalization types had remarkable selectivity to S₈ + sulfur compounds mixtures. For example, the …

FIG. 12) did introduce some response changes, most noticeably in the case of the bare graphene devices, when there was a sign reversal and increase in response …

FIG. 13. The change in the performance of I TO-Gr device 2 exposed to S₈+ BzT and S₈+ Th was the most striking-signal sign reversal as well as change in …

FIG. 14 shows a plot of detector response for ITO functionalized graphene devices with D₁ geometries tested at 130 ° C temperature. Devices were exposed to …

FIG. 15. The highest difference in the response between 10 seconds and 30 seconds was detected for JP 8 with 600 ppm. In fact the signal in the first 10 seconds …

FIG. 16 shows resistances of bare and functionalized devices in all four devices geometries prior to each experiment in an ambient of pure N 2 at two …

FIG. 17B). Day 0 denotes the resistance before measurements. In case of bare graphene devices heated at 125 ° C for 5-30 m in before measurements at room …

FIG. 1 shows SEM images of graphene films functionalized with ZnO, ITO, Cu O, and Fe₂ O 3 nanoparticles. [0012]

FIG. 2 shows device geometries being tested. Device 1 has a mesa structure in which graphene was etched into 10 p m line/space pairs configured perpendicular to …

FIG. 3 shows an optical image of a fabricated chip. [0034] Using the most effective nanoparticle dispersion conditions, graphene films and fabricated devices …

FIG. 4 is an SEM image of a functionalized device. [0015]

FIG. 5. It is clear that the functionalization was successful and coverage depends on the nanoparticle type. Device Testing [0035] Following fabrication, the …

FIG. 6 was used for the liquid fuel testing. The chip was positioned at the center, so that the probes could reach the pattered gold contacts. Liquid fuel was …

FIG. 7. Devices were each contacted with a pair of Au-coated W probes on a conventional probe station (see

FIG. 8. The device had a relatively fast negative response with resistance change of 7% within 10 minutes. It should be noted that the mobility and carrier …

FIG. 9. With synthetic fuel, the bare graphene chip has a positive response, while the functionalized chips have a negative response. With JP₈ fuel, all tested …

FIG. 10 where the measured sheet resistance before and after isopropanol rinse are compared. The observed trend was valid for all tested chips. [0038] …

FIG. 11, the bare graphene and the four different functionalization types had remarkable selectivity to S₈ + sulfur compounds mixtures. For example, the …

FIG. 12) did introduce some response changes, most noticeably in the case of the bare graphene devices, when there was a sign reversal and increase in response …

FIG. 13. The change in the performance of I TO-Gr device 2 exposed to S₈+ BzT and S₈+ Th was the most striking-signal sign reversal as well as change in …

FIG. 14 shows a plot of detector response for ITO functionalized graphene devices with D₁ geometries tested at 130 ° C temperature. Devices were exposed to …

FIG. 15. The highest difference in the response between 10 seconds and 30 seconds was detected for JP 8 with 600 ppm. In fact the signal in the first 10 seconds …

FIG. 16 shows resistances of bare and functionalized devices in all four devices geometries prior to each experiment in an ambient of pure N 2 at two …

FIG. 17B). Day 0 denotes the resistance before measurements. In case of bare graphene devices heated at 125 ° C for 5-30 m in before measurements at room …

FIG. 1 shows SEM images of graphene films functionalized with ZnO, ITO, Cu O, and Fe₂ O 3 nanoparticles. [0012]

FIG. 2 shows device geometries being tested. Device 1 has a mesa structure in which graphene was etched into 10 p m line/space pairs configured perpendicular to …

FIG. 3 shows an optical image of a fabricated chip. [0034] Using the most effective nanoparticle dispersion conditions, graphene films and fabricated devices …

FIG. 4 is an SEM image of a functionalized device. [0015]

FIG. 5. It is clear that the functionalization was successful and coverage depends on the nanoparticle type. Device Testing [0035] Following fabrication, the …

FIG. 6 was used for the liquid fuel testing. The chip was positioned at the center, so that the probes could reach the pattered gold contacts. Liquid fuel was …

FIG. 7. Devices were each contacted with a pair of Au-coated W probes on a conventional probe station (see

FIG. 8. The device had a relatively fast negative response with resistance change of 7% within 10 minutes. It should be noted that the mobility and carrier …

FIG. 9. With synthetic fuel, the bare graphene chip has a positive response, while the functionalized chips have a negative response. With JP₈ fuel, all tested …

FIG. 10 where the measured sheet resistance before and after isopropanol rinse are compared. The observed trend was valid for all tested chips. [0038] …

FIG. 11, the bare graphene and the four different functionalization types had remarkable selectivity to S₈ + sulfur compounds mixtures. For example, the …

FIG. 12) did introduce some response changes, most noticeably in the case of the bare graphene devices, when there was a sign reversal and increase in response …

FIG. 13. The change in the performance of I TO-Gr device 2 exposed to S₈+ BzT and S₈+ Th was the most striking-signal sign reversal as well as change in …

FIG. 14 shows a plot of detector response for ITO functionalized graphene devices with D₁ geometries tested at 130 ° C temperature. Devices were exposed to …

FIG. 15. The highest difference in the response between 10 seconds and 30 seconds was detected for JP 8 with 600 ppm. In fact the signal in the first 10 seconds …

FIG. 16 shows resistances of bare and functionalized devices in all four devices geometries prior to each experiment in an ambient of pure N 2 at two …

FIG. 17B). Day 0 denotes the resistance before measurements. In case of bare graphene devices heated at 125 ° C for 5-30 m in before measurements at room …

FIG. 1 shows SEM images of graphene films functionalized with ZnO, ITO, Cu O, and Fe₂ O 3 nanoparticles. [0012]

FIG. 2 shows device geometries being tested. Device 1 has a mesa structure in which graphene was etched into 10 p m line/space pairs configured perpendicular to …

FIG. 3 shows an optical image of a fabricated chip. [0034] Using the most effective nanoparticle dispersion conditions, graphene films and fabricated devices …

FIG. 4 is an SEM image of a functionalized device. [0015]

FIG. 5. It is clear that the functionalization was successful and coverage depends on the nanoparticle type. Device Testing [0035] Following fabrication, the …

FIG. 6 was used for the liquid fuel testing. The chip was positioned at the center, so that the probes could reach the pattered gold contacts. Liquid fuel was …

FIG. 7. Devices were each contacted with a pair of Au-coated W probes on a conventional probe station (see

FIG. 8. The device had a relatively fast negative response with resistance change of 7% within 10 minutes. It should be noted that the mobility and carrier …

FIG. 9. With synthetic fuel, the bare graphene chip has a positive response, while the functionalized chips have a negative response. With JP₈ fuel, all tested …

FIG. 10 where the measured sheet resistance before and after isopropanol rinse are compared. The observed trend was valid for all tested chips. [0038] …

FIG. 11, the bare graphene and the four different functionalization types had remarkable selectivity to S₈ + sulfur compounds mixtures. For example, the …

FIG. 12) did introduce some response changes, most noticeably in the case of the bare graphene devices, when there was a sign reversal and increase in response …

FIG. 13. The change in the performance of I TO-Gr device 2 exposed to S₈+ BzT and S₈+ Th was the most striking-signal sign reversal as well as change in …

FIG. 14 shows a plot of detector response for ITO functionalized graphene devices with D₁ geometries tested at 130 ° C temperature. Devices were exposed to …

FIG. 15. The highest difference in the response between 10 seconds and 30 seconds was detected for JP 8 with 600 ppm. In fact the signal in the first 10 seconds …

FIG. 16 shows resistances of bare and functionalized devices in all four devices geometries prior to each experiment in an ambient of pure N 2 at two …

FIG. 17B). Day 0 denotes the resistance before measurements. In case of bare graphene devices heated at 125 ° C for 5-30 m in before measurements at room …