Photoacoustic Spectroscopy of Photovoltaic Materials

M. A Slifkin, L. Lurie, Aryeh M. Weiss

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A photoacoustic spectrometer is described which has been constructed to measure the spectra of photovoltaic materials in the ultra violet, visible and near infra red regions. The range of this photoacoustic spectrometer is from 0.3 to 1.8 micrometers. This technique has the advantage of being non- intrusive and non-destructive. Measurements have been made of a variety of photovoltaic materials, including a CdS/CuIn1- xGaxSe2 heterojunction and an InP/InGaAsP quantum well layer system. Bands arising from intrinsic impurity subgap levels were observed beyond the band edges.
Original languageAmerican English
Title of host publication10th Meeting on Optical Engineering in Israel. International Society for Optics and Photonics
PublisherSPIE
StatePublished - 1997

Bibliographical note

Place of conference:Israel

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