A fundamental study of the effects of grain boundaries on performance of poly-crystalline thin film CdTe solar cells

Tadas Paulauskas, Cyrus Sun, Fatih Sen, Chris Buurma, Edward Barnard, Sivananthan Sivalingham, Maria Chan, Moon Kim, Robert Klie

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Poly-crystalline CdTe-based thin film photovoltaic devices have shown a great potential and are commercially used for large-scale energy conversion applications. Despite this success conversion efficiency of CdTe has achieved very minor improvements over the last 20 years. To overcome this stagnation and further drive cost-per-watt of the modules, better atomic-scale understanding of native dislocation structures and grain boundaries is needed. In this collaborative study we systematically investigate effects of grain boundaries using ultra-high-vacuum bonded CdTe bi-crystals with pre-defined misorientation angles.

Original languageEnglish (US)
Title of host publication2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479979448
DOIs
StatePublished - Dec 14 2015
Event42nd IEEE Photovoltaic Specialist Conference, PVSC 2015 - New Orleans, United States
Duration: Jun 14 2015Jun 19 2015

Publication series

Name2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015

Other

Other42nd IEEE Photovoltaic Specialist Conference, PVSC 2015
Country/TerritoryUnited States
CityNew Orleans
Period6/14/156/19/15

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

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