James Sites is a Professor of Physics at Colorado State University. He began his photovoltaics career 45 years ago with cells made by ion-beam sputtering of indium–tin–oxide onto silicon. Since then, he has primarily focused on the device physics of polycrystalline thin-film solar cells, particularly CIGS and CdTe, that are compatible with cost-effective manufacturing. His goals have been to quantitatively separate the various solar-cell loss mechanisms, to explain the details of the mechanisms, and to suggest strategies for improved performance. In recent years he has collaborated closely with Prof. W.S. Sampath on the fabrication, characterization, and analysis of high-efficiency CdTe cells.
Prof. Sites has always enjoyed working closely with students at all levels. Several generations of his students have helped him build a comprehensive PV measurement lab, and together they have developed a variety of analytical and simulation techniques. Thirty of his students have now completed their PhD degree, over forty their MS, and many of them have continued with active roles in the photovoltaics community.
Over time, Prof. Sites has assumed an increasing leadership role with thin–film solar–cell research, and he collaborates closely with several companies and other universities in the U.S. and abroad. He has had a particular focus on increasing the collaboration among the different groups working on CdTe at the device level, which has led to several productive joint projects and a series of annual workshops.
Prof. Sites was an undergraduate at Duke and a graduate student at Cornell, where he built the first dilution refrigerator in the U.S. and then cooled 3He to millikelvin temperatures by compressing the liquid to solid. As a postdoc at Los Alamos, he continued with low temperatures to magnetically align nuclei to measure their gamma-ray distributions. Since joining the Colorado State faculty, however, he has focused on semiconductor physics with the bulk of his work for many years in photovoltaics.
About the Award
This award is named in honor of William R. Cherry, a founder of the photovoltaic community. In the 1950's, he was instrumental in establishing solar cells as the ideal power source for space satellites and for recognizing, advocating, and nurturing the use of photovoltaic systems for terrestrial applications. The William R. Cherry award was instituted in l980, shortly after his death. The purpose of the award is to recognize an individual engineer or scientist who devoted a part of their professional life to the advancement of the science and technology of photovoltaic energy conversion. The nominee must have made significant contributions to the science and/or technology of PV energy conversion, with dissemination by substantial publications and presentations. Professional society activities, promotional and/or organizational efforts and achievements are not considerations in the election for the award.
Award Package
The award consists of a plaque, monetary award, recognition at the PVSC Opening Ceremony and a dedicated Cherry Award Talk during the Opening Ceremony.
Rules & Eligibility
Nomination Package Requirements (Deadline: January 15th)
Questions? Contact the Cherry Committee Awards Chair, Eli Yablonovich at [email protected]
WILLIAM R. CHERRY COMMITTEE
Eli Yablonovitch Tim Anderson Harry Atwater Sheila G. Bailey Allen M. Barnett Paul Basore John Benner Henry W. Brandhorst, Jr. Timothy Coutts Keith Emery Dennis J. Flood
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Americo F. Forestieri Alex Freundlich Vasilis Fthenakis Martin A. Green Christiana Honsberg Lawrence L. Kazmerski Richard R. King Sarah Kurtz John D. Meakin Ryne Raffaelle Eugene Ralph Angus Rockett |
Angele Reinders Ajeet Rohatgi Steve Ringel BJ Stanbery Ronald A. Sinton Dick Swanson Pierre Verlinden Robert J. Walters David Wilt Masafumi Yamaguchi |
Previous Recipients
Dr. Paul
Rappaport 1980 Dr. Martin A. Green 1990 Mr. Peter A. Iles 1991 |
Dr. Lawrence L. Kazmerski 1993 Dr. Christopher R. Wronski 2000 Dr. Richard M. Swanson 2002 Dr. Ajeet Rohatgi 2003 Dr. Timothy J. Coutts 2005 |
Dr. Antonio Luque 2006 Dr. Masafumi Yamaguchi 2008 Dr. Stuart Wenham 2009 Dr. Richard R. King 2010 Dr. Jerry M. Olson 2011 Dr. Sarah Kurtz 2012 Dr. Keith Emery 2013 Dr. Ronald A. Sinton 2014 Dr. Christiana Honsberg 2015 |
Dr. Pierre Verlinden 2016 Prof. Eli Yablonovitch 2017 Prof. Vasilis Fthenakis 2018 Dr. Harry Atwater 2019 |