【摘 要】
：
Photoconductive properties of photodiodes based on composites of CuS nanoparticles and Poly[2-methoxy, 5-(2-ethylhexyloxy)-p-phenylenevinylene] (MEH-PPV) are in
【机 构】
：
Key Lab of Materials for Information Storage and Display Ministry of Railway, Institute of Optoelect
论文部分内容阅读
Photoconductive properties of photodiodes based on composites of CuS nanoparticles and Poly[2-methoxy, 5-(2-ethylhexyloxy)-p-phenylenevinylene] (MEH-PPV) are investigated. By comparing composite devices with different MEH-PPV:CuS weight ratios of 1:1 (D2-1), 1:1.25 (D2-2), 1:2.5 (D2-3) and 1:5 (D2-4), it is found that the device D2-3 exhibited the best performance: the short-circuit current density of 17tμA/cm2 with the light intensity of 16. 7mW/cm2, the highest open-circuit voltage of 0.83 V, and the photosensitivity of 132 at reverse bias of-1 V. The photosensitivity is improved by a factor of 5 compared with the undoped MEH-PPV device.
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