Ultraviolet Detection Properties of p-Si/n-TiO₂Heterojunction Photodiodes Grown by Electron-Beam Evaporation and Sol–Gel Methods: A Comparative Study

Gopal Rawat, Divya Somvanshi, Hemant Kumar, +3

IEEE Transactions on Nanotechnology

Optical MaterialsEngineeringOptoelectronic DevicesThin Film Process TechnologyUltraviolet Detection Properties +21

Colloidal ZnO Quantum Dots Based Spectrum Selective Ultraviolet Photodetectors

Yogesh Kumar, Hemant Kumar, Gopal Rawat, +4

IEEE Photonics Technology Letters

Materials ScienceOptical MaterialsColloidal ZnoEngineeringPhotodetectors +12

Electrical and ammonia gas sensing properties of poly (3, 3‴- dialkylquaterthiophene) based organic thin film transistors fabricated by floating-film transfer method

Chandan Kumar, Gopal Rawat, Hemant Kumar, +3

Organic Electronics

Conducting PolymerElectrical EngineeringAmmonia GasEngineeringOrganic Electronics +8

A study of hydrothermally grown ZnO nanorod-based metal-semiconductor-metal UV detectors on glass substrates

Shaivalini Singh, Yogesh Kumar, Hemant Kumar, +5

Nanomaterials and Nanotechnology

EngineeringGlass SubstratesPhoto-electrochemical CellOptoelectronic DevicesMetallic Nanomaterials +15

Electrical and Ammonia Gas Sensing Properties of PQT-12/CdSe Quantum Dots Composite-Based Organic Thin Film Transistors

Chandan Kumar, Gopal Rawat, Hemant Kumar, +4

IEEE Sensors Journal

Ammonia GasEngineeringOrganic ElectronicsSemiconductor MaterialsSemiconductor Nanostructures +15

Electrical and Optical Characteristics of Self-Powered Colloidal CdSe Quantum Dot-Based Photodiode

Hemant Kumar, Yogesh Kumar, Bratindranath Mukherjee, +4

IEEE Journal of Quantum Electronics

Optical MaterialsEngineeringColloidal NanocrystalsOptoelectronic DevicesZno Qds +20

Flexible poly (3, 3′′′- dialkylquaterthiophene) based interdigitated metal-semiconductor-metal ammonia gas sensor

Chandan Kumar, Gopal Rawat, Hemant Kumar, +3

Sensors and Actuators B Chemical

Materials ScienceChemical EngineeringElectronic DevicesEngineering3′′′- Dialkylquaterthiophene +13

Electrical and Ultraviolet-A Detection Properties of E-Beam Evaporated n-TiO2 Capped p-Si Nanowires Heterojunction Photodiodes

Gopal Rawat, Divya Somvanshi, Yogesh Kumar, +3

IEEE Transactions on Nanotechnology

EngineeringPhoto-electrochemical CellOptoelectronic DevicesSemiconductor NanostructuresSemiconductors +16

Visible-Blind Au/ZnO Quantum Dots-Based Highly Sensitive and Spectrum Selective Schottky Photodiode

Yogesh Kumar, Hemant Kumar, Bratindranath Mukherjee, +4

IEEE Transactions on Electron Devices

Optical MaterialsEngineeringOptoelectronic DevicesLuminescence PropertyZno Qds +21

Effective Richardson Constant of Sol-Gel Derived TiO₂Films in n-TiO₂/p-Si Heterojunctions

Gopal Rawat, Hemant Kumar, Yogesh Kumar, +3

IEEE Electron Device Letters

Materials EngineeringMaterials ScienceRichardson PlotEngineeringBarrier Height +10