PVK:PBD混合体系制备的带通特征紫外探测器
摘要
We fabricate an ultraviolet photodetector based on a blend of poly (N-vinylcarbazole) (PVK) and 2-tert-butylphenyl-5-biphenyl-1,3, 4-oxadiazole (PBD) using spin coating. The device exhibites a low dark current density of 2.2 \times 10?3 \muA/cm2 at zero bias. The spectral response of the device shows a narrow bandpass characteristic from 300 to 355 nm, and the peak response is 18.6 mA/W located at 334 nm with a bias of -1 V. We also study the performances of photodetectors with different blend layer thicknesses. The largest photocurrent density is obtained with a blend of 90 nm at the same voltage.
引用本文（GB/T 7714）
Jian Sun, Kuanjun Peng, Hugh Zhu, 等. PVK:PBD混合体系制备的带通特征紫外探测器[J]. Chinese Optics Letters, 2011.
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