TITLE

Semiconducting-polymer-based position-sensitive detectors

AUTHOR(S)
Kabra, D.; Singh, Th. B.; Narayan, K. S.
PUB. DATE
November 2004
SOURCE
Applied Physics Letters;11/22/2004, Vol. 85 Issue 21, p5073
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We demonstrate the utility of the organic semiconducting polymers as active media for light-sensitive position-sensitive detectors (PSDs). The characteristics of these PSDs include reasonable linearity and photoresponsivity over a large range of distance, photovoltaic mode of operation, and other advantages such as nonrigid substrates and absence of any other transporting-conducting coating layer. These devices utilize the formation of Al-polymer Schottky-type photoactive interface as a common backcontact. We demonstrate results for poly(3-hexylthiophene)-based PSDs of different interelectrode spacings where the photovoltaic signals as a function of incident-beam position are linear over the entire range.
ACCESSION #
15155516

 

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