Vaibhava Srivastava

ORCID: 0000-0003-3347-6104
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About
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Research Areas
  • Perovskite Materials and Applications
  • Chalcogenide Semiconductor Thin Films
  • Conducting polymers and applications
  • Quantum Dots Synthesis And Properties
  • Copper-based nanomaterials and applications
  • IoT and Edge/Fog Computing
  • MXene and MAX Phase Materials
  • Organic Electronics and Photovoltaics
  • IoT-based Smart Home Systems
  • Embedded Systems Design Techniques
  • ZnO doping and properties
  • solar cell performance optimization

Madan Mohan Malaviya University of Technology
2022-2024

Shri Ramswaroop Memorial University
2024

Deen Dayal Upadhyaya Gorakhpur University
2023

In the present paper, theoretical investigation of device structure ITO/CeO2/SnS/Spiro-OMeTAD/Mo SnS-based solar cell has been performed. The aim this work is to examine how Spiro-OMeTAD HTL affects performance heterostructure cell. Using SCAPS-1D simulation software, various parameters such as function, series and shunt resistance working temperature have investigated. With help Spiro-OMeTAD, suggested cell’s open-circuit voltage was increased 344 mV. use in resulted 14% efficiency...

10.3390/nano12142506 article EN cc-by Nanomaterials 2022-07-21

Now a days there is growing demand to generate renewable energy having environment friendly materials with widely used methods exhibiting highly productive conversion of photons into electrical power. In this article, an inorganic lead-free perovskite CsSn 0.5 Ge I 3 material utilized as absorber layer, PTAA hole transport layer (HTL) and SrTiO electron (ETL). Parameters such thickness operating temperature device varied obtain optimized photovoltaic performance parameter. The simulated...

10.1166/jno.2023.3407 article EN Journal of Nanoelectronics and Optoelectronics 2023-04-01

Perovskite material is a propitious candidate for high-efficiency and cost-efficient solar cells. Inorganic organic perovskite materials show outstanding electrical optical characteristics. As an absorber layer, it attracts the researchers due to its tunable bandgap, higher carrier mobility, absorption coefficient. In this article, CH 3 NH PbI -based cell proposed with architecture FTO/TiO 2 /CH /PbS-TBAI/Carbon. The present study shows that carbon as back contact stable performance....

10.1166/sam.2023.4473 article EN Science of Advanced Materials 2023-05-01

Novel solar power technologies are constantly evolving and improving, this is seen as a potential way to meet the increasing demand for electricity energy on global scale. Quantum dot cells (QDSCs) one of most optimistic third‐generation cells. Because superior qualities, such its size, tuneable bandgap, high stability, extremely low cost, quantum dots (QDs) have drawn lot attention in photovoltaic applications highly effective Herein, WO 3 utilized electron transport layer (ETL), MoTe 2...

10.1002/pssa.202300275 article EN physica status solidi (a) 2023-06-10

Abstract For photovoltaic (PV) applications, the earth‐abundant and non‐hazardous Kesterite Cu 2 ZnSnS 4 (CZTS) is a possible substitute for chalcopyrite copper indium gallium selenide (CIGS). This research offers insight into most innovative method improving performance of solar cells (SCs) by using CuSbS back surface field (BSF) Ag S In Se 3 as buffer layers, focuses on aligning energy bands, reducing non‐radiative recombination, open‐circuit voltage (V oc ). The proposed are Ni/CuSbS...

10.1002/pip.3743 article EN Progress in Photovoltaics Research and Applications 2023-10-04

Cesium tin-germanium triiodide (CsSn 0.5 Ge I 3 ) is an efficient inorganic halide perovskite with good stability that has received wide attention in recent years. In the present study, a lead-free solar cell structure was designed zinc selenide (ZnSe) as electron transport layer (ETL), CsSn absorber and poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine] (PTAA) hole (HTL). For more practical understanding of cell, several parameters such thickness, defect density, doping concentration layer,...

10.1680/jemmr.22.00059 article EN Emerging Materials Research 2022-12-21

This paper describes the simulation by Solar Cell Capacitance Simulator-1D (SCAPS-1D) software of ZnO/CdS/SnS/NiO/Au solar cells, in which zinc oxide (ZnO) is used as transparent conductive (TCO) and nickel (NiO) a hole transport layer (HTL). The effects absorber (SnS) thickness, carrier concentration, SnS defect density, NiO HTL, ZnO TCO, electron affinity work function on cell performance have been evaluated. effect interface density SnS/CdS heterojunction also analysed. As results...

10.3390/mi13122073 article EN cc-by Micromachines 2022-11-25

Double-perovskite solar cells (DPSCs) are environment-friendly materials used for the efficient conversion of energy to electrical energy, enabling significant growth in development photovoltaic community. In this study, Solar Cell Capacitance Simulator One Dimension (SCAPS-1D) software was study Cs 2 AgBiBr 6 absorber-based DPSCs with tin (IV) oxide (SnO ) and molybdenum trioxide (MoO 3 as electron transport layer hole layer, respectively. Parameters such short-circuit current density (J sc...

10.1680/jnaen.23.00023 article EN Nanomaterials and Energy 2023-07-01

In recent years, the advancement of solar cell technology is increased by leaps and bounds it also used to achieve a solution for worldwide huge need generation energy electricity. The colloidal quantum dot (CQD) offers size-tuned bandgap materials processing compatibility with range substrates. QDSC (Quantum cell) have advantages such as low cost, high efficiency, replaces bulky material (Cadmium Selenide, Lead Selenide etc over traditional cell. “Despite these advantages, lags due carrier...

10.1166/sam.2022.4377 article EN Science of Advanced Materials 2022-11-01

In recent years, quantum dot solar cells have attracted attention due to their versatile electrical and optical properties as a material. A cell can be tuned in terms of bandgap size. this work, the effect defect density on performance is studied with help Solar Cell Capacitance Simulator One Dimension (SCAPS-1D) software. The densities poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine] (PTAA)/lead sulfide (PbS)–tetrabutylammonium iodide (TBAI) lead sulfide–TBAI/titanium dioxide (TiO 2 ) are...

10.1680/jemmr.22.00130 article EN Emerging Materials Research 2023-06-02
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