Binary and ternary metal oxide semiconductor thin films for effective gas sensing applications: A comprehensive review and future prospects

K Sivaperuman, A Thomas, R Thangavel… - Progress in Materials …, 2024 - Elsevier
For a couple of decades, there is a tremendous growth in industries and technology in the
global level. Unfortunately, emerging new industries became a main reason for rising air …

Hierarchically structured sub-bands in chalcopyrite thin-film solar cell devices

K Vijayan, L Thirumalaisamy… - New Journal of …, 2023 - pubs.rsc.org
Framing effective mitigation steps to resolve the energy crisis directs to the research gap of
existing solar cell technologies. The study utilizes the inherent physiochemical properties of …

The upsurge of absorption coefficient in CuInS2 thin film with Ru doping: an energetic absorber layer in a superstrate solar cell

L Thirumalaisamy, S Palanivel, K Jeyakumar… - Materials Today …, 2022 - Elsevier
In this work, a clear increase in electrical mobility and absorption coefficient has been
demonstrated in spray pyrolysis-deposited CuInS 2 (CIS) thin films by ruthenium (Ru) …

Enhanced multifunctional attributes of Tellurium incorporated CuGaS2 thin films employing spray pyrolysis route

K Vijayan, L Thirumalaisamy, RFJ Qiu, M Kim… - Materials Letters, 2022 - Elsevier
CuGaS 2 (CGS) chalcopyrite semiconductor is a promising candidate for thin-film based
photovoltaic devices due to its exceptional optical absorption coefficient and flexibility in …

Branched ZnFe2O4 nanorods grown via chemical spray pyrolysis technique for chemiresistive xylene gas sensor

T Ravikumar, K Sivaperuman - Colloids and Surfaces A: Physicochemical …, 2024 - Elsevier
In this work, we used a chemical spray pyrolysis technique to deposit zinc ferrite (ZF) thin
films at different substrate temperatures to study xylene (C 8 H 10) gas sensing properties …

Fe-doped CuGaS2 (CuGa1-xFexS2)-Detailed analysis of the intermediate band optical response of chalcopyrite thin films based on first principle calculations and …

SS Viveka, T Logu, N Ahsan, J Karthikeyan… - Materials Science in …, 2021 - Elsevier
We have theoretically and experimentally studied the tailoring of intermediate bands in the
CuGa 1-x Fe x S 2 chalcopyrite system. An ab initio density functional theory calculations …

Scrutinizing the effect of substrate temperature and enhancing the multifunctional attributes of spray deposited copper gallium sulfide (CuGaS2) thin films

K Vijayan, SP Vijayachamundeeswari - Phase Transitions, 2023 - Taylor & Francis
Polycrystalline chalcopyrite CuGaS2 thin films were prepared using a spray pyrolysis route
has been considered a potential material for the solar cell absorber layer. Scanning Electron …

Effect of Sr-doping toward the optoelectrical ZnO properties

I Mansouri, F Saib, S Boulahlib, A Laachachi… - Inorganic Chemistry …, 2024 - Elsevier
The current study focuses on how Sr doping affects ZnO's structural, optical, optoelectronic,
transport, and dielectric properties. Sr-doped ZnO nanoparticles were produced using a …

Study of sub-band states formation in the optical band gap of CuGaS2 thin films by electronic excitations

SS Viveka, T Logu, N Ahsan, K Asokan… - Journal of Physics and …, 2022 - Elsevier
The impacts of electronic excitations with three different ion beams, namely Au, Ag, and O
ions at 100–120 MeV and fluences of 5× 10 12 ions/cm 2, on the structural, optical …

A Novel Approach for Designing a Sub-Bandgap in CuGa(S,Te)2 Thin Films Assisted with Numerical Simulation of Solar Cell Devices for Photovoltaic Application

K Vijayan, L Thirumalaisamy… - ACS …, 2023 - ACS Publications
As a well-explored chalcopyrite material, copper gallium sulfide CGS has been considered a
potential material for solar cell absorber layers. However, its photovoltaic attributes still …