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Materials Science

D-Index
58
Citations
12478
World Ranking
7668
National Ranking
1906

Overview

Ajeet Rohatgi is affiliated with the Georgia Institute of Technology in the United States and specializes in research primarily within the fields of Engineering and Physics and Astronomy. Their work spans a variety of subfields including Electrical and Electronic Engineering, Atomic and Molecular Physics and Optics, Materials Chemistry, Biomedical Engineering, and Renewable Energy, Sustainability and the Environment.

The core focus of Rohatgi's research lies in Silicon and Solar Cell Technologies, Semiconductor materials and interfaces, and Thin-Film Transistor Technologies. Other areas of study entail Silicon Nanostructures and Photoluminescence, Integrated Circuits and Semiconductor Failure Analysis, Semiconductor materials and devices, and Organic Electronics and Photovoltaics.

Rohatgi has contributed to multiple publications, frequently appearing in the following venues:

  • IEEE Journal of Photovoltaics
  • Solar Energy Materials and Solar Cells
  • 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC)
  • Journal of Applied Physics
  • SSRN Electronic Journal

Coauthor collaborations include:

  • Young-Woo Ok
  • Wookjin Choi
  • Vijaykumar Upadhyaya
  • Brian Rounsaville
  • Ajay Upadhyaya

Recently published papers by Rohatgi include:

  • 26.7% Efficient 4-Terminal Perovskite-Silicon Tandem Solar Cell Composed of a High-Performance Semitransparent Perovskite Cell and a Doped Poly-Si/SiOxPassivating Contact Silicon Cell, 2020, IEEE Journal of Photovoltaics
  • Sputtered indium tin oxide as a recombination layer formed on the tunnel oxide/poly-Si passivating contact enabling the potential of efficient monolithic perovskite/Si tandem solar cells, 2020, Solar Energy Materials and Solar Cells
  • Fully screen-printed bifacial large area 22.6% N-type Si solar cell with lightly doped ion-implanted boron emitter and tunnel oxide passivated rear contact, 2020, Solar Energy Materials and Solar Cells
  • Spatial profiles of photon chemical potential in near-field thermophotovoltaic cells, 2021, Journal of Applied Physics
  • Novel Process for Screen-Printed Selective Area Front Polysilicon Contacts for TOPCon Cells Using Laser Oxidation, 2022, IEEE Journal of Photovoltaics

Best Publications

  • Impurities in silicon solar cells

    J.R. Davis;A. Rohatgi;R.H. Hopkins;P.D. Blais

  • The effects of CdCl2 on the electronic properties of molecular‐beam epitaxially grown CdTe/CdS heterojunction solar cells

    S. A. Ringel;A. W. Smith;M. H. MacDougal;A. Rohatgi

  • Hydrogen in silicon: a discussion of diffusion and passivation mechanisms.

    B.L. Sopori;X. Deng;J.P. Benner;A. Rohatgi

  • Characterization and optimization of absorbing plasma-enhanced chemical vapor deposited antireflection coatings for silicon photovoltaics.

    Parag Doshi;Gerald E. Jellison;Ajeet Rohatgi

  • A miniaturized high-voltage solar cell array as an electrostatic MEMS power supply

    J.B. Lee;Z. Chen;M.G. Allen;A. Rohatgi

  • ION BEAM IMPLANTATION

    Rohatgi Ajeet;Rai-Choudhury Prosenjit;Gigante Joseph Robert;Singh Ranbir

  • Effect of Ag Particle Size in Thick-Film Ag Paste on the Electrical and Physical Properties of Screen Printed Contacts and Silicon Solar Cells

    Mohamed M. Hilali;Kenta Nakayashiki;Chandra Khadilkar;Robert C. Reedy

  • Impurity effects in silicon for high efficiency solar cells

    R.H. Hopkins;A. Rohatgi

  • An optimized rapid aluminum back surface field technique for silicon solar cells

    S. Narasimha;A. Rohatgi;A.W. Weeber

  • Effect of Glass Frit Chemistry on the Physical and Electrical Properties of Thick-Film Ag Contacts for Silicon Solar Cells

    Mohamed M. Hilali;Srinivasan Sridharan;Chandra Khadilkar;Aziz Shaikh

  • Effect of titanium, copper and iron on silicon solar cells

    A. Rohatgi;J.R. Davis;R.H. Hopkins;P. Rai-Choudhury

  • Ray tracing analysis of the inverted pyramid texturing geometry for high efficiency silicon solar cells

    A.W. Smith;A. Rohatgi

  • A novel and effective PECVD SiO/sub 2//SiN antireflection coating for Si solar cells

    Z. Chen;P. Sana;J. Salami;A. Rohatgi

  • Effects of stoichiometry on thermal stability of undoped, semi‐insulating GaAs

    L. B. Ta;H. M. Hobgood;A. Rohatgi;R. N. Thomas

  • High-Throughput Ion-Implantation for Low-Cost High-Efficiency Silicon Solar Cells

    Ajeet Rohatgi;Daniel L. Meier;Bruce McPherson;Young-Woo Ok

  • Superhydrophobic and low light reflectivity silicon surfaces fabricated by hierarchical etching.

    Yonghao Xiu;Shu Zhang;Vijay Yelundur;Ajeet Rohatgi

  • Rie-texturing of multicrystalline silicon solar cells

    D. S. Ruby;S. H. Zaidi;S. Narayanan;Benjamin Mark Damiani

  • Silicon solar cells and methods of fabrication

    Ajeet Rohatgi;Ji-Weon Jeong;Kenta Nakayashiki;Vijay Yelundur

  • Rapid and Accurate Determination of Series Resistance and Fill Factor Losses in Industrial Silicon Solar Cells

    S. Bowden;Ajeet Rohatgi

  • Hybridizing ZnO Nanowires with Micropyramid Silicon Wafers as Superhydrophobic High-Efficiency Solar Cells

    Yan Liu;Arnab Das;Sheng Xu;Ziyin Lin

Frequent Co-Authors

Miroslav Begovic
Miroslav Begovic Texas A&M University
Steven A. Ringel
Steven A. Ringel The Ohio State University
Nan Marie Jokerst
Nan Marie Jokerst Duke University
Stephen J. Fonash
Stephen J. Fonash Pennsylvania State University
Andrew T. S. Wee
Andrew T. S. Wee National University of Singapore
Mowafak Al-Jassim
Mowafak Al-Jassim National Renewable Energy Laboratory
Ching-Ping Wong
Ching-Ping Wong Georgia Institute of Technology
Gerald Earle Jellison Jr
Gerald Earle Jellison Jr Oak Ridge National Laboratory
Mark G. Allen
Mark G. Allen University of Pennsylvania
Stefan W. Glunz
Stefan W. Glunz Fraunhofer Institute for Solar Energy Systems

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