World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
52
Citations
10669
World Ranking
9513
National Ranking
2303

Engineering and Technology

D-Index
52
Citations
10265
World Ranking
3628
National Ranking
1063

Overview

James R. Sites is affiliated with Colorado State University in the United States. Their research primarily focuses on engineering and materials science, with particular specialization in electrical and electronic engineering as well as materials chemistry. Their work also touches on atomic and molecular physics, optics, and the field of renewable energy, sustainability, and the environment.

Their research topics are centered around chalcogenide semiconductor thin films and quantum dots synthesis and properties. Other notable topics include solar cell performance optimization, advanced semiconductor detectors and materials, silicon and solar cell technologies, perovskite materials and applications, and semiconductor materials and interfaces.

Sites has contributed to various scientific publications, particularly in journals and conferences relevant to photovoltaics and materials science. Frequent publication venues include:

  • IEEE Journal of Photovoltaics
  • Solar Energy Materials and Solar Cells
  • 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC)
  • Microscopy and Microanalysis
  • Journal of Visualized Experiments

Their recent papers encompass a range of studies related to photovoltaic materials and devices. Key publications include:

  • "CdTe-based thin film photovoltaics: Recent advances, current challenges and future prospects" (2023) in Solar Energy Materials and Solar Cells
  • "Impact of Carrier Concentration and Carrier Lifetime on MgZnO/CdSeTe/CdTe Solar Cells" (2020) in IEEE Journal of Photovoltaics
  • "Mitigation of J-V distortion in CdTe solar cells by Ga-doping of MgZnO emitter" (2021) in Solar Energy Materials and Solar Cells
  • "CdTe-Based Solar Cells with Variations in Mg Concentration in the MgZnO Emitter" (2021) in Solar RRL
  • "A comprehensive material study of CdSeTe films deposited with differing selenium compositions" (2023) in Thin Solid Films

Collaboration plays a significant role in their research output. Frequent co-authors include Alexandra Bothwell, Walajabad Sampath, Ramesh Pandey, Amit Munshi, and Robert F. Klie, reflecting an engaged network in photovoltaic and materials research.

Best Publications

  • Efficiency limitations for wide-band-gap chalcopyrite solar cells

    M. Gloeckler;J.R. Sites

  • Band-gap grading in Cu(In,Ga)Se2 solar cells

    M. Gloeckler;J.R. Sites

  • Numerical modeling of CIGS and CdTe solar cells: setting the baseline

    M. Gloeckler;A.L. Fahrenbruch;J.R. Sites

  • CdTe-based thin film photovoltaics: Recent advances, current challenges and future prospects

    Unknown

  • Diode quality factor determination for thin-film solar cells

    J.R. Sites;P.H. Mauk

  • Strategies to increase CdTe solar-cell voltage

    James Sites;Jun Pan

  • Effect of back-contact barrier on thin-film CdTe solar cells

    S.H. Demtsu;J.R. Sites

  • Grain-boundary recombination in Cu(In,Ga)Se2 solar cells

    Markus Gloeckler;James R. Sites;Wyatt K. Metzger

  • Polycrystalline CdSeTe/CdTe Absorber Cells With 28 mA/cm 2 Short-Circuit Current

    Amit H. Munshi;Jason Kephart;Ali Abbas;John Raguse

  • Copper inclusion and migration from the back contact in CdTe solar cells

    C.R. Corwine;A.O. Pudov;M. Gloeckler;S.H. Demtsu

  • Cadmium Telluride Solar Cells

    Brian E. McCandless;James R. Sites

  • Effects of oxygen content on the optical properties of tantalum oxide films deposited by ion-beam sputtering.

    Hulya Demiryont;James R. Sites;Kent M. Geib

  • Efficient photovoltaic heterojunctions of indium tin oxides on silicon

    J. B. DuBow;D. E. Burk;J. R. Sites

  • Emitter/absorber interface of CdTe solar cells

    Tao Song;Ana Kanevce;James R. Sites

  • 15.4% CuIn1−xGaxSe2-based photovoltaic cells from solution-based precursor films

    R.N. Bhattacharya;J.F. Hiltner;W. Batchelor;M.A. Contreras

  • Blue-photon modification of nonstandard diode barrier in CuInSe2 solar cells

    I.L Eisgruber;J.E Granata;J.R Sites;J Hou

  • Status and Potential of CdTe Solar-Cell Efficiency

    Russell M. Geisthardt;Marko Topic;James R. Sites

  • Secondary barriers in CdS–CuIn1−xGaxSe2 solar cells

    A. O. Pudov;A. Kanevce;H. A. Al-Thani;J. R. Sites

  • New metastable phases of silicon

    You-Xiang Zhao;Fred Buehler;James R. Sites;Ian L. Spain

  • Co-sublimation of CdSexTe1−x layers for CdTe solar cells

    Drew E. Swanson;James R. Sites;Walajabad S. Sampath

  • Potential of submicrometer thickness Cu(In,Ga)Se2 solar cells

    Markus Gloeckler;James R. Sites

Frequent Co-Authors

Marko Topič
Marko Topič University of Ljubljana
Miguel A. Contreras
Miguel A. Contreras American Chemet Corporation
Wyatt K. Metzger
Wyatt K. Metzger National Renewable Energy Laboratory
Rommel Noufi
Rommel Noufi National Renewable Energy Laboratory
Darius Kuciauskas
Darius Kuciauskas National Renewable Energy Laboratory
Richard R. King
Richard R. King Arizona State University
David K. Ferry
David K. Ferry Arizona State University
Glenn Teeter
Glenn Teeter National Renewable Energy Laboratory
David L. Young
David L. Young National Renewable Energy Laboratory
Angus Rockett
Angus Rockett Colorado School of Mines

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