Journal
ADVANCED MATERIALS
Volume 28, Issue 35, Pages 7768-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201602280
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Funding
- Singapore National Research Foundation under NRF RF [NRF-RF2013-08]
- Nanyang Technological University [M4081137.070]
- Ministry of Education of Singapore [MOE2011-T3-1-005]
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A novel heterostructure is designed by stacking 2D black phosphorus (BP) on a SrTiO3 substrate. The device demonstrates programmable photoconductive switching under illumination of UV and red light. The light-tunable persistent photoconductivity exhibits a large on/off ratio exceeding 10(5). The persistent state shows almost no relaxation or decay at low temperature. These features are suitable for a new generation of optoelectronic devices for memory application.
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