@inproceedings{43019094063b45f689a3e01f3ac375d0,
title = "Thin Film Solar Cells Based on n-type Polycrystalline CdTe Absorber",
abstract = "The effect of Indium (In) doping on CdTe thin film solar cells was investigated. CdTe thin films were deposited using the elemental vapor transport (EVT) technique under various Cd/Te gas phase ratios and In vapor concentrations. TCO/Buffer/n-CdTe/p-ZnTe solar cells have been fabricated and characterized. Indium doping has been found to affect the device performance. Capacitance-voltage (C-V) measurements revealed that net n-type doping increased with In concentration during the EVT deposition. Spectral response (SR) measurements indicated an enhanced carrier collection at higher In concentrations. The open-circuit voltage (\text{V}-{mathbf {OC}}) and fill factor (FF) of the devices was found to increase with increased n-type doping and therefore builtin voltage. To-date n-type CdTe solar cells yielded devices with \text{V}-{mathbf {OC}} \quad = 730 mV, \text{J}-{mathbf {SC}} \quad = 20 mA/cm{mathbf {2}} {, \mathbf {FF}} =textbf 62 % and efficiency near 9 %.",
keywords = "Cadmium telluride, doping, indium, photovoltaic cells, zinc telluride",
author = "Vasilios Palekis and Imran Khan and Shamara Collins and Hsu, {Chih An} and Sudhajit Misra and Scarpulla, {Michael A.} and Zhang, {Yong Hang} and Don Morel and Chris Ferekides",
note = "Publisher Copyright: {\textcopyright} 2018 IEEE.; 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 ; Conference date: 10-06-2018 Through 15-06-2018",
year = "2018",
month = nov,
day = "26",
doi = "10.1109/PVSC.2018.8548249",
language = "English (US)",
series = "2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "1937--1942",
booktitle = "2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC",
}