Events

Dec. 11, 2024

Electronic Disorder in CdSeTe: Band Tails, Defects, Mobility, Defect-Dopant Interactions, and Compensations
Darius Kuciauskas (NREL)

Nov. 15, 2023

Michael Moats, chair, Materials Science and Engineering Department at the Missouri University of Science and Technology, presented on "Tellurium Production Potential—Knowns, Unknowns and Guesses."

Sept. 27, 2023

Eli Yablonovitch, of the Electrical Engineering and Computer Sciences Dept., University of California, Berkeley, California, presented on "Counter-Intuitively: The Greater the External Luminescence, the More Efficient the Photovoltaic Cell."

Feb. 22, 2023

Zhenqiang (Jack) Ma, of University of Wisconsin, presented on "The Concept and Implementation of Lattice-Mismatched Heterostructures: Semiconductor Grafting."

Jan. 18, 2023

Raymond T. Tung, of Brooklyn College, City University of New York, presented on "Solving the Schottky Barrier Mystery."

Sept. 23, 2022

David Wilt, retired US Air Force/Space Force, presented on "The Challenges of Space Photovoltaics."
Stuart Irvine from Swansea University presented on "Data From Four Years of CdTe PV Flight Tests in Space and Future Prospects."

July 13, 2022

Akira Nagaoka from Miyazaki University presented on "New Insight on Defect Properties in Group-V Doped CdTe Single Crystal."
Anderson Janotti from University of Delaware presented on "Group-V Dopants in CdTe Revisited."

May 18, 2022

Chris Klinga and Forrest Collins of the Architectural Solar Association presented on "Barriers and Strategies of Integrating Architectural Solar—A U.S. Market Perspective."
Aaron Bates of Toledo Solar, Inc. presented on "Engineering and Design Challenges for CdTe BIPV and AIPV."

April 20, 2022

A Comparison of Sputtered and Evaporated CdSeTe Thin Films

Working Group: Characterization
Presenter: Mike Walls, Loughborough University

Nm-Scale Electrical-Potential Imaging Across PV Devices: Case Study of Metastability and Degradation of CdSeTe Devices

Working Group: Characterization
Presenter: C.S. Jiang, National Renewable Energy Laboratory

March 16, 2022

Theory of P-Type Doping and Interface Properties in Chlorinated CdSeTe

Working Group: Crosscutting
Presenters: Dmitry Krasikov and Igor Sankin of First Solar

Jan. 19, 2022

What the CdTe Community Can Learn from our Colleagues in Silicon

Working Group: Crosscutting
Leader: Randy Ellingson
Presenters: Zach Holman and Christophe Ballif

Dec. 1, 2021

Controllably Delaminating Polycrystalline and Epitaxial CdTe Structures and Devices

Working Group: Blue Sky
Leader: Matt Reese
Presenters: Deborah McGott and Yong-Hang Zhang

Sept. 15, 2021

EELS and High-Resolution X-Ray Measurement

Working Group: Characterization
Leader: Craig Perkins
Presenters: Robert Klie and Mariana Bertoni

Aug. 18, 2021

DFT Calculations of Grain Boundaries and CdTe/Te Interface

Working Group: Modeling
Leader: Randy Ellingson
Presenters: Pooja Goddard and Anthony Nicholson

July 21, 2021

Doping of CdTe

Working Group: Absorber
Leader: Mike Scarpulla
Presenter: W.S. Sampath

May 19, 2021

Band Offsets from XPS

Working Group: Characterization
Leader: Jim Sites
Presenters: Craig Perkins and Angus Rockett

April 15, 2021

Band and Fermi-level Offsets

Working Group: Back Contact
Leader: Adam Phillips
Presenters: Jim Sites and Arthur Onno

March 19, 2021

Various CdTe Doping

Working Group: Absorber
Leader: Mike Scarpulla

March 18, 2021

N-type CdTe

Working Group: Blue Sky
Leader: Jim Sites
Presenters: Yong Zhang and Chris Ferekides

Feb. 18, 2021

MgZnO Emitter Layers

Working Group: Front Contact
Leader: Matt Reese
Presenters: Ramesh Pandey, Colin Wolden, and Tursun Ablekim

Jan. 21, 2021

TRPL and Atomic-Scale Microscop

Working Group: Characterization
Leader: Craig Perkins
Presenters: Darius Kuciauskas and Robert Klie

Jan. 20, 2021

Various Factors Impacting the Back Contact

Working Group: Back Contact
Leader: Adam Phillips

Dec. 17, 2020

Absorber Fabrication

Working Group: Absorber
Leader: Mike Scarpulla
Presenter: W.S. Sampath