Abhishek Raj

ORCID: 0000-0002-3721-3275
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About
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Research Areas
  • Perovskite Materials and Applications
  • Conducting polymers and applications
  • Chalcogenide Semiconductor Thin Films
  • Multiferroics and related materials
  • Magnetic and transport properties of perovskites and related materials
  • Quantum Dots Synthesis And Properties
  • Organic Electronics and Photovoltaics
  • Ferroelectric and Piezoelectric Materials
  • 2D Materials and Applications
  • Solid-state spectroscopy and crystallography
  • Dielectric properties of ceramics
  • Urban Transport and Accessibility
  • Advanced Condensed Matter Physics
  • Semiconductor materials and devices
  • Integrated Circuits and Semiconductor Failure Analysis
  • COVID-19 and healthcare impacts
  • Traffic and Road Safety
  • Dental Research and COVID-19
  • Luminescence and Fluorescent Materials
  • Infection Control and Ventilation
  • Heusler alloys: electronic and magnetic properties
  • Advancements in Semiconductor Devices and Circuit Design
  • Molecular Sensors and Ion Detection
  • MXene and MAX Phase Materials
  • Evacuation and Crowd Dynamics

National Environmental Engineering Research Institute
2020-2024

Academy of Scientific and Innovative Research
2020-2024

Indian Institute of Technology Madras
2024

University of Delhi
2020

Birla Institute of Technology and Science, Pilani
2019

Simulation has been performed on fully lead-free inorganic cesium germanium tri-iodide (CsGeI3) perovskite solar cell heterostructure and achieved a champion power conversion efficiency (PCE) of ∼18.30% with significantly improved device parameters. The influence thickness an electron transport layer, hole absorber, defect density, doping concentration, affinity, temperature, series resistance issued for the optimization is studied. It confirmed via scaps simulation results that this...

10.1116/6.0000718 article EN Journal of Vacuum Science & Technology B Nanotechnology and Microelectronics Materials Processing Measurement and Phenomena 2020-12-09

Recently, lead-free perovskite solar cell (PSC) heterostructure using CH3NH3SnI3 (MASnI3) absorber layer received significant attention due to their superior device performance. However, the effect of deep defect state on performance is only little known about MASnI3 based PSC. In present study, initially we optimized power conversion efficiency via bandgap tuning and electron affinity variations in SCAPS-1D simulator. Thereafter, capacitance-voltage (C-V), Mott-Shottkey (MS) (1/C2-V)...

10.1002/er.7942 article EN International Journal of Energy Research 2022-04-11

Recently, Silver-Bismuth based lead-free double perovskite solar cells (PSCs) have established their significance as a possible substitute for lead-based absorber in the PSCs due to its higher stability and nontoxic properties. In present work, Cs2AgBiBr6 compound has been used an layered structure of PSC. This studied details physical properties (electronic optical) using first principle calculation. Additionally, PSC is designed SACPS-1D simulation software with cell configuration...

10.1002/er.8099 article EN International Journal of Energy Research 2022-05-22

Typical aggregation-induced emission (AIE) luminogens tetraphenylethylene (TPE) and triphenylamine have been used to construct an AIE-active conjugated polymer, namely, poly(N,N-diphenyl-4-(4-(1,2,2-triphenylvinyl)styryl)aniline) (PTPA), which consist of D-π-A architecture by Wittig polymerization. We fabricated mesoporous silica hollow nanospheres (MSHNs) were encapsulated with the polymer for applications in cellular imaging. It exhibits a positive solvatochromism effect increasing solvent...

10.1021/acsami.9b07664 article EN ACS Applied Materials & Interfaces 2019-07-26

Perovskite materials have revolutionized photovoltaic technology and become the vanguard of current research owing to their facile solution processability exceptional enhancement in power conversion efficiency (PCE), reaching 25.2% date. Unfortunately, lead toxicity is major hurdle for perovskite solar cells (PSCs) scalability prevalent commercialization. To tackle issue, lead‐free double are potential contenders world. Herein, a comprehensive study halide with formula A 2 BB’X 6 provided....

10.1002/pssa.202200425 article EN physica status solidi (a) 2022-08-24

Abstract In the present work, lead‐free double perovskite material La 2 NiMnO 6 is used as a light‐harvesting layer in device configuration of FTO/TiO /LNMO/CuI/Au and simulates through solar cell capacitance simulator (SCAPS‐1D). The series resistance operating temperature are varied from 0 to Ω 250 350 K respectively investigate output under ambient atmospheric conditions. designed (PSC) based helps optimize chemical physical parameter PSC during fabrication. study exhibits that developed...

10.1002/masy.202100482 article EN Macromolecular Symposia 2023-02-01
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