Negative photoconductivity: bizarre physics in semiconductors

NK Tailor, CA Aranda, M Saliba… - ACS Materials …, 2022 - ACS Publications
Many gadgets in our daily life work on the photodetection principle. These photodetectors
(such as silicon (Si), gallium arsenide (GaAs), and indium gallium arsenide (InGaAs)) work …

2D MXene/1D GaN van der Waals heterojunction for self-powered UV photodetector

C Thota, G Murali, R Dhanalakshmi… - Applied Physics …, 2023 - pubs.aip.org
MXene's two-dimensional (2D) morphology, metallic electrical conductivity, and optical
transparency characteristics have been widely utilized to uplift the performance of diverse …

Photocurrent Polarity Switching and Enhanced Photoresponse in Silver Nanoparticles Decorated a-GaN-Based Photodetector

DK Singh, P Prajapat, J Saroha, RK Pant… - ACS Applied …, 2023 - ACS Publications
The photodetection properties of a-GaN nanorods-based photodetector and the effect of
decorating silver nanoparticles are reported. For the pristine a-GaN detector, a surprising …

Observation of Anomalous Negative Photoconductivity in Ga2O3 Nanowires: Implications for Broadening the Spectral Response of Photodetectors

W Ruan, X Meng - ACS Applied Nano Materials, 2023 - ACS Publications
Ga2O3 nanowires on silicon substrates were synthesized by the chemical vapor deposition
method, and the Ga2O3-based metal–semiconductor–metal structured solar-blind …

Ag nanowires assisted CH3NH3PbBr3–ZnO heterostructure with fast negative photoconductive response

Y Lv, F Chen, Z Zhang, J Chen, X Tang, Z Shi… - Applied Physics …, 2022 - pubs.aip.org
Due to its attractive interaction with light, negative photoconductivity (NPC) has received
widespread attention and has been used in optoelectronic logic devices with excellent …

Negative Photoconductivity and High Detectivity in Ba-Doped ZnO UV Photodetectors

T Mzoughi, FB Amor, A Hamrouni, N Hamdaoui - Ceramics International, 2024 - Elsevier
This research investigates the effects of barium (Ba) doping the photoelectric properties of
zinc oxide (ZnO) nanoparticles (NPs) to explore their potential applications in optoelectronic …

Investigation of the transient photo-response and switching window of an Al/indigo/Al device: unveiling negative photoconductivity and the photo-enhanced memory …

B Sreelakshmi, R Thamankar - Materials Advances, 2024 - pubs.rsc.org
Memristors have redefined the technological horizon by seamlessly intertwining memory
storage, data processing and sensing techniques such as light sensing within a single unit …