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Title: | Determining ionizing radiation using sensors based on organic semiconducting material |
Authors: | Rao, V. Ramgopal |
Keywords: | EEE Ionizing radiation Sensors Organic field-effect transistor (OFET) |
Issue Date: | Mar-2009 |
Publisher: | AIP |
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: | https://pubs.aip.org/aip/apl/article/94/12/123304/151860/Determining-ionizing-radiation-using-sensors-based http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/12698 |
Appears in Collections: | Department of Electrical and Electronics Engineering |
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