Single Si nanowire (diameter ≤ 100 nm) based polarization sensitive near-infrared photodetector with ultra-high responsivity

Author:

Das K.123,Mukherjee S.456,Manna S.756,Ray S. K.756,Raychaudhuri A. K.123

Affiliation:

1. Theme Unit of Excellence in Nanodevice Technology

2. S.N. Bose National Center for Basic Sciences

3. Kolkata-700098, India

4. Advanced Technology Development Centre

5. Indian Institute of Technology

6. Kharagpur-721302, India

7. Department of Physics

Abstract

Single silicon nanowire-based MSM photodetectors show ultra high responsivity (>104 A W−1) in the near-infra-red region, even at zero bias. The observed photoresponse is sensitive to the polarization of the exciting light, allowing the device to act as a polarization-dependent photodetector.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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