A self-driven bidirectional photocurrent photodetector for optically controlled logic gates utilizes a GaN-nanowall network

P Vashishtha, SK Jain, P Prajapat… - ACS Applied Optical …, 2024 - ACS Publications
This Communication has reported a GaN-nanowall-network-based bidirectional
photocurrent self-driven photodetector. The device leverages the unique properties of …

Silver nanoparticles modified on cicada wings affect fluorescence and Raman signals based on electromagnetic and chemical enhancement mechanisms

S Guo, H Cao, Y Yang, M Wang - Optics & Laser Technology, 2025 - Elsevier
The electromagnetic enhancement (EM) mechanism is one of the important theories that
need to be mastered to study surface-enhanced fluorescence (SEF) and surface-enhanced …

[HTML][HTML] Recent advances in layered and non-layered 2D materials for UV detection

A Ranjan, A Mazumder, N Ramakrishnan - Sensors and Actuators A …, 2024 - Elsevier
Current state-of-the-art ultraviolet (UV) photodetectors are extensively used in applications
ranging from industrial to biomedical science. As a result, there have been consistent efforts …

Self-bias Mo–Sb–Ga multilayer photodetector encompassing ultra-broad spectral response from UV–C to IR–B

P Vashishtha, A Dash, S Walia, G Gupta - Optics & Laser Technology, 2025 - Elsevier
Achieving an ultra-broad spectral response in a self-bias detector is a formidable challenge
that persists in optoelectronics that necessitates innovative solutions. We propose a unique …

[HTML][HTML] The effect of indium tin oxide nanoparticles (ITO NPs) incorporated with ZnO NPs based on structural, optical and application for flexible dye sensitized solar …

HF Etefa, FB Dejene - Optical Materials, 2024 - Elsevier
This study aimed to investigate the impact of zinc oxide nanoparticles (ZnO NPs) doped with
indium tin oxide nanoparticles (ITO NPs) on polymer-based dye-sensitized solar cells …

Graphene electrode-enhanced InSe/WSe2 van der Waals heterostructure for high-performance broadband photodetector with imaging capabilities

SH Aleithan, U Younis, Z Alhashem… - Journal of Alloys and …, 2024 - Elsevier
Abstract 2D vdWs heterostructure is realized as a powerful technique for tuning the
optoelectronic properties and thus develo** the future generation optoelectronic devices …

Unveiling the synergic potential of dual junction MoSe 2/n-Ga 2 O 3/p-GaN heterojunctions for ultra-broadband photodetection

V Aggarwal, M Kumar, R Kumar, S Gautam… - Materials …, 2024 - pubs.rsc.org
For practical optoelectronic applications, photodetectors capable of detecting light across a
wide wavelength range (200–1100 nm) are essential. Heterojunction semiconductors play a …

VTe2 nanospheres for NO2 gas sensors

Z Zhao, Z Wang, C Zheng, G **, X Shen… - Sensors and Actuators A …, 2024 - Elsevier
Nitrogen dioxide is a toxic gas to the human body, which is the cause of acid rain and
respiratory diseases. In this study, VTe 2 was first created for use in gas sensors by …

Polarity Flip** in SnSe Empowering Wavelength Selective Self-Powered Broadband Photodetection

P Goswami, P Prajapat, P Vashishtha… - ACS Applied …, 2024 - ACS Publications
The demand for high-performance self-powered photodetectors with broadband wavelength
selectivity has intensified due to their applications in various fields such as imaging, sensing …

Oxygen-Passivated Sulfur Vacancies in Monolayer MoS2 for Enhanced Piezoelectricity

AK Verma, MA Rahman, P Vashishtha, X Guo… - ACS …, 2025 - ACS Publications
Modern-day applications demand onboard electricity generation that can be achieved using
piezoelectric phenomena. Reducing the dimensionality of materials is a pathway to …