Journal
OPTICS LETTERS
Volume 43, Issue 14, Pages 3212-3215Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.43.003212
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Funding
- National Key R&D Program of China [2018YFB0407100-02]
- Foundation for Innovation Research Groups of the National Natural Science Foundation of China (NSFC) [61421002, 61675041, 51703019]
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In this Letter, a transparent organic photodetector (OPD) with a property of ultraviolet sensitivity is demonstrated by using an inverted architecture. A conjugated polymer of ploy [(9,9-bis(3'-(N,N-dimethylamino)propyl)-2,7-fluorene)-alt-2,7-(9,9-dioctyl)fluorene)] is introduced to modify the energy level and morphology between ZnO and organic optoelectronic material. As a result, at a wavelength of 350 nm and a bias of -1 V, the photodetectivity of 1012 Jones from both sides of the transparent device is obtained with a working area of 1 cm(2). Moreover, an optical simulation is applied to analyze the optical electric field distribution inside the OPD. (c) 2018 Optical Society of America
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