High temperature annealing on vertical pn junction p-NiO/n-β-Ga2O3 nanowire arrays for high performance UV photodetection

MC Pedapudi, JC Dhar - Materials Science in Semiconductor Processing, 2023 - Elsevier
The authors of this article reported the effects of annealing on performance of GLAD
synthesized vertical p-NiO/n-β-Ga 2 O 3 heterostructure (HS) nanowire (NW) arrays based …

A novel Ag nanoparticles/TiO2 nanowires-based photodetector and glucose concentration detection

C Ghosh, SMM Dhar Dwivedi, A Ghosh, A Dalal… - Applied Physics A, 2019 - Springer
A unique vapour transport cum glancing angle deposition (VT-GLAD) technique was
employed to fabricate titanium dioxide (TiO 2) nanowires (NWs). The NWs were grown and …

Investigation on improved performance of Erbium doped TiO2 nanowire based UV detector

R Lahiri, A Ghosh, B Choudhuri, A Mondal - Materials Research Bulletin, 2018 - Elsevier
Abstract Undoped TiO 2 and Erbium doped TiO 2 nanowires (Er: TiO 2 NWs) were
synthesized on respective thin films using e-beam cum glancing angle deposition technique …

Enlarged broad band photodetection using Indium doped TiO2 alloy thin film

MB Sarkar, A Mondal, B Choudhuri, BK Mahajan… - Journal of alloys and …, 2014 - Elsevier
An instantaneous source of Indium (In) was used to dope the TiO 2 thin film (TF) on the Si
substrate. The X-ray diffraction depicted the presence of rutile phases of TiO 2, which shifted …

Detailed investigation of photoluminescence, structural, and elemental properties of ZnO thin films under various annealing ambient

P Murkute, H Ghadi, S Sreedhara… - Superlattices and …, 2019 - Elsevier
Zinc oxide (ZnO) has extensively exploited the material in the field of optoelectronics due to
its inherent wide bandgap and high electron mobility. Properties of ZnO is very sensitive to …

Post Annealing Effects on Nanowire Arrays for Improved Photodetection

S Panigrahy, JC Dhar - IEEE Transactions on Nanotechnology, 2018 - ieeexplore.ieee.org
The Er 2 O 3 nanowires (NWs) arrays were synthesized on Si substrate by Glancing angle
deposition technique. The field emission gun scanning electron microscopy showed the …

Fabrication of visible-light-driven Ag/TiO2 heterojunction composites induced by shock wave

C Xu, P Chen, J Liu, H Yin, X Gao, X Mei - Journal of Alloys and …, 2016 - Elsevier
Using metatitanic acid (H 2 TiO 3) and silver nitrate (AgNO 3) as titanium precursor and
silver source respectively, a visible-light responsible Ag/TiO 2 heterojunction photocatalyst is …

Improved photo-detection from annealed SiOx–In2− xO3− y axial heterostructure nanocolumns

NK Singh, A Mondal, JC Dhar… - Journal of Physics D …, 2014 - iopscience.iop.org
SiO x–In 2− x O 3− y heterostructure nano-columnar arrays are synthesized on n-type Si
substrate by the glancing angle deposition technique. The transmission electron microscopy …

Ag nanoparticles capped TiO2 nanowires array based capacitive memory

AK Pandey, P Deb, JC Dhar - Journal of Materials Science: Materials in …, 2021 - Springer
Glancing angle deposition technique was used to fabricate Ag nanoparticles (NPs) capped
TiO2 Nanowire (NW) array structure for capacitive memory application. Electron …

Enhanced Absorption and Photoemission from TiO2 Nanowire/Graphene Oxide Thin-Film Heterostructure

P Deb, JC Dhar - Journal of Electronic Materials, 2018 - Springer
Abstract Vertically oriented TiO 2 nanowires (NWs) have been fabricated on graphene oxide
(GO) thin film (TF) using a catalytic free growth technique called glancing-angle deposition …