Latha Marasamy

ORCID: 0000-0002-2564-0894
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Chalcogenide Semiconductor Thin Films
  • Quantum Dots Synthesis And Properties
  • Perovskite Materials and Applications
  • Copper-based nanomaterials and applications
  • Semiconductor materials and interfaces
  • Advanced Photocatalysis Techniques
  • Nanoparticles: synthesis and applications
  • Graphene and Nanomaterials Applications
  • Conducting polymers and applications
  • Electrospun Nanofibers in Biomedical Applications
  • Graphene research and applications
  • Ferroelectric and Piezoelectric Materials
  • Dielectric properties of ceramics
  • Multiferroics and related materials
  • Advancements in Solid Oxide Fuel Cells
  • Laser-Ablation Synthesis of Nanoparticles
  • Electrocatalysts for Energy Conversion
  • Covalent Organic Framework Applications
  • Chemical Synthesis and Characterization
  • Advanced Semiconductor Detectors and Materials
  • Polymer Surface Interaction Studies
  • 2D Materials and Applications
  • Silk-based biomaterials and applications
  • Organic Electronics and Photovoltaics
  • Thermal Expansion and Ionic Conductivity

Autonomous University of Queretaro
2019-2025

Center for Research and Advanced Studies of the National Polytechnic Institute
2020

Recently, lead-free halide perovskites have exhibited outstanding optical absorption, enhanced stability, tunable bandgap, high carrier mobility, nontoxicity, availability of raw materials, and low cost. In this research, A-cations modified the structural, electronic, optical, mechanical, solar cell performance inorganic novel A3NCl3 (A = Ba, Sr, Ca) perovskites, which were deeply investigated using DFT SCAPS-1D simulation software. Initially, we employed Perdew–Burke–Ernzerhof (PBE) hybrid...

10.1021/acs.energyfuels.4c00525 article EN Energy & Fuels 2024-04-15

The remarkable performance of copper indium gallium selenide (CIGS)-based double heterojunction (DH) photovoltaic cells is presented in this work.

10.1039/d3ra07893k article EN cc-by RSC Advances 2024-01-01

BaZrS3 chalcogenide perovskites have emerged as a promising absorber due to their exceptional properties. However, there are no experimental reports on the applicability of in photovoltaics. Thus, theoretical knowledge device structure engineering is essential for its successful fabrication. In this regard, we proposed various configurations by altering 12 electron transport layers (ETLs) combination with 13 hole (HTLs) using SCAPS-1D, wherein total 782 devices simulated tuning thickness,...

10.1021/acsomega.3c06627 article EN cc-by-nc-nd ACS Omega 2024-01-17

Solar cells (SCs) based on non-toxic, lead-free silver bismuth iodide (SBI, Ag3BiI6) absorbers have recently gained tremendous attention compared to lead halide perovskites. However, the actual device efficiency still does not exceed 6%. Therefore, finding a suitable SBI SC architecture with proper ETL and HTL layers is crucial attaining maximum performance. In this research, SCAPS-1D simulation used design SC, consisting of an SBI-absorber, CeOx-ETL, three different HTLs (pristine Cu2O, Te...

10.1016/j.mtcomm.2024.108347 article EN cc-by Materials Today Communications 2024-02-15

Abstract Cu 2 ZnSn(S,Se) 4 is a non-toxic, earth-abundant photovoltaic absorber. However, its efficiency limited by large open circuit voltage (V OC ) deficit occurring due to antisite defects and improper band alignment with toxic CdS buffer. Therefore, finding an absorber non-toxic buffers that reduce V crucial. Herein, for the first time, Ag BaTiSe proposed as alternative using SCAPS-1D wherein new class of alkaline earth metal chalcogenide such MgS, CaS, SrS, BaS applied buffers, their...

10.1038/s41598-024-51711-6 article EN cc-by Scientific Reports 2024-01-17

Double halide perovskites have received massive attention due to their low toxicity, tunable bandgap, structural flexibility, and stability as compared conventional 3D lead perovskites. Particularly, newly discovered formamidinium germanium-antimony (FA4GeSbCl12) double offer an excellent bandgap (∼1.3 eV) for solar cell (SC) applications. Therefore, in this study, the first time, we simulated FTO/TiO2/FA4GeSbCl12/Cu2O/Au planar SCs using SCAPS-1D, showing a maximum power conversion...

10.1039/d3ra03102k article EN cc-by RSC Advances 2023-01-01

Abstract The Schockley–Quisser (SQ) limit of 28.64% is distant from the Sb 2 S 3 solar cells’ record power conversion efficiency ( PCE ), which 8.00%. Such poor mostly owing to substantial interface-induced recombination losses caused by defects at interfaces and misaligned energy levels. endeavor this study investigate an efficient cell structure via accurate analytical modeling. proposed model considers different mechanisms such as non-radiative recombination, /CdS interface Auger, SRH,...

10.1038/s41598-024-56041-1 article EN cc-by Scientific Reports 2024-05-30

Abstract ABS 3 chalcogenide perovskites (CPs) are emerging as promising alternatives to lead halide due their unique properties. However, bandgap exceeds the Shockley-Queisser limit. By substituting S with Se, is significantly reduced, shifting it from visible into near-infrared region. Hence, we have investigated potential of Se-based absorbers device structure FTO/TiO 2 /ABSe (A = Ca, Ba; B Zr, Hf)/NiO/Au using SCAPS-1D. We analyzed critical parameters impacting each layer solar cell....

10.1038/s41598-024-80473-4 article EN cc-by Scientific Reports 2025-01-27

SnS, Sb 2 Se 3 , Cu SnS CuSb(S,Se) and BaSn(S,Se) 4 are emerging as promising light absorbers for thin‐film photovoltaics due to their extraordinary optoelectronic properties. However, improper band alignment with the buffer large open‐circuit voltage ( V OC ) deficit limits power conversion efficiencies (PCE). Therefore, finding a suitable that overcomes these obstacles is crucial. Herein, ZrS an alternative aforementioned solar cells using SCAPS‐1D proposed. The important parameters...

10.1002/ente.202300333 article EN Energy Technology 2023-06-23

The world needs sustainable energy resources with affordable, economic, and accountable sources. Consequently, innovation technologies are evolving toward electrochemical applications like batteries, supercapacitors, etc. current study involves the solid blend biopolymer electrolyte (SBBE) different compositions of sodium alginate blended pectin via casting technique. characterization sample was tested by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, AC impedance,...

10.1021/acsomega.3c09106 article EN cc-by-nc-nd ACS Omega 2024-03-12

In this study, lead-free BiM2+(Zn, Ca, Mg)Ti–BiFeO3 ceramics are fabricated under eco-friendly hydrothermal reaction conditions at 250 °C. XRD patterns show that all the synthesized compounds exhibit a phase coexistence of monoclinic and tetragonal perovskite-type structures with morphotropic boundary x = 0.4, minimum impurity. The calculated average crystallite/grain size samples was close to 50 nm full width half-maximum main peak. corresponding bonds constituent elements were observed by...

10.1021/acsomega.3c08072 article EN cc-by-nc-nd ACS Omega 2024-02-19

This study employed various experimental techniques to produce graphene oxide (GO) under different conditions, such as the inclusion or exclusion of NaNO 3 , and reduced (RGO) with without catalyst CaCl 2 .

10.1039/d3ra08256c article EN cc-by-nc RSC Advances 2024-01-01

Sutures are a crucial component of surgical procedures, serving to close and stabilize wound margins promote healing. However, microbial contamination sutures can increase the risk site infections (SSI) due colonization by pathogens. This study aimed tackle SSI synthesizing positively charged silver nanoparticles (P-AgNPs) using them produce antimicrobial sutures. The P-AgNPs were reduced stabilized polyethylenimine (PEI), cationic branched polymer. physiochemical characteristics confirmed...

10.1021/acsomega.4c01257 article EN cc-by ACS Omega 2024-04-07
Coming Soon ...