Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session G70: Poster Session I (2:00pm-5:00pm)
2:00 PM,
Tuesday, March 5, 2019
BCEC
Room: Exhibit Hall
Abstract: G70.00078 : Barrier Height Measurement of Cadmium Telluride (CdTe) Solar Cells*
Presenter:
Patrick Milan
(Physics, Seton Hall University)
Authors:
Patrick Milan
(Physics, Seton Hall University)
Jose Peralta
(Physics, Seton Hall University)
Madison Guerrero
(Physics, Seton Hall University)
Prof Weining Wang
(Physics, Seton Hall University)
In this work, we show our studies on the effect of the barrier height on the performance of CdTe solar cells. We tested CdTe cells with different back contacts and found they had different characteristics and efficiencies. Using the turning point technique, we were able to obtain the barrier heights at the back-contact junction using the current-voltage characteristics of the solar cells at various temperatures. Our results showed that there is a correlation between the barrier height and cell performance: the lower the barrier height, the better the cell performed. These results yielded parameters that will aid us in choosing a superior back contact material for CdTe solar cells.
*NJSGC-NASA
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