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Polymer based photo detectors

Narayan, KS and Dutta, S and Kabra, D (2004) Polymer based photo detectors. In: Symposium on Flexible Electronics-Materials and Device Technology held at the 2004 MRS Spring Meeting, APR 13-16, 2004, San Francisco, CA.

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Recent developments in our laboratory related to polymer-based light sensors are reviewed. The inherent processibility of the active polymer medium is utilized in the implementation of different designs for the opto-electronic applications. The utility of these devices as sensitive photodetectors, image sensors and position sensitive detectors is demonstrated. The schottky-type layer formation at interfaces of polymers such as polyalkylthiophenes and aluminum accompanied by the enhanced photo-induced charge separation due to high local electric field is tapped for some of these device structures. The sensitivity of polymer-based field effect transistors to light also provides a convenient lateral geometry for efficient optical-coupling and control of the transistor state. ne range of these polymer-detectors available with the option of operating in the diode and transistor modes should be an attractive feature for many potential applications.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Materials Research Society.
Depositing User: Ms V Mangala
Date Deposited: 08 Mar 2012 05:55
Last Modified: 07 Nov 2018 09:24
URI: http://eprints.iisc.ac.in/id/eprint/43783

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