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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/4310

Title: Determining ionizing radiation using sensors based on organic semiconducting material
Authors: RAVAL, HN
TIWARI, SP
NAVAN, RR
RAO, VR
Keywords: dielectrics
polymer
diodes
Issue Date: 2009
Publisher: AMER INST PHYSICS
Citation: APPLIED PHYSICS LETTERS, 94(12), -
Abstract: The use of organic semiconducting material sensors as total dose radiation detectors is proposed, wherein the change in conductivity of an organic material is measured as a function of ionizing radiation dose. The simplest sensor is a resistor made using organic semiconductor. Furthermore, for achieving higher sensitivity, organic field effect transistor (OFET) is used as a sensor. A solution processed organic semiconductor resistor and an OFET were fabricated using poly 3-hexylthiophene (P3HT), a p-type organic semiconductor material. The devices are exposed to Cobalt-60 radiation for different total dose values. The changes in electrical characteristics indicate the potential of these devices as radiation sensors.
URI: http://dx.doi.org/10.1063/1.3107266
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4310
http://hdl.handle.net/10054/4310
ISSN: 0003-6951
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