Lee, S and Jeon, S and Robertson, J and Nathan, A (2012) How to achieve ultra high photoconductive gain for transparent oxide semiconductor image sensors. Technical Digest - International Electron Devices Meeting, IEDM. ISSN 0163-1918Full text not available from this repository.
We present quantitative analysis of the ultra-high photoconductivity in amorphous oxide semiconductor (AOS) thin film transistors (TFTs), taking into account the sub-gap optical absorption in oxygen deficiency defects. We analyze the basis of photoconductivity in AOSs, explained in terms of the extended electron lifetime due to retarded recombination as a result of hole localization. Also, photoconductive gain in AOS photo-TFTs can be maximized by reducing the transit time associated with short channel lengths, making device scaling favourable for high sensitivity operation. © 2012 IEEE.
|Divisions:||Div B > Solid State Electronics and Nanoscale Science|
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|Date Deposited:||02 Sep 2016 16:34|
|Last Modified:||25 Oct 2016 23:11|