期刊
JOURNAL OF APPLIED PHYSICS
卷 112, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4754860
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资金
- Romanian National Authority for Scientific Research, CNCS-UEFISCDI [PN-II-ID-PCE-2011-3-0071]
We demonstrate that a photovoltaic device, able to harvest light energy from UV to IR, can be implemented using a coplanar electrode configuration consisting of three electrodes deposited on high-resistivity n-Si, in which the central electrode is interdigitated with different metal electrodes, Au and Pt, respectively, and further covered with graphene ink functionalized with gold nanoislands. Also, this device can act as a wideband photodetector with good responsivity if biased. We have also identified light-induced negative differential resistance behavior with a high peak-to-valley ratio due to charging/discharging effects in the gold nanoislands. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4754860]
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