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논문 기본 정보

자료유형
학술저널
저자정보
Yurong Jiang (Henan Normal University) Haifa Zhai (Henan Normal University) Weiwei Cao (Henan Normal University) Haigang Yang (Henan Normal University) Hairui Liu (Henan Normal University)
저널정보
대한금속·재료학회 Electronic Materials Letters Electronic Materials Letters Vol.12 No.6
발행연도
2016.1
수록면
841 - 845 (5page)

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In this article, the appealing application of the CdS/Si nanowire heterostructure asthe self-driven photodetector was presented based on a facile successive ioniclayer absorption and reaction. Compared to CdS /Si planar based device,photocurrent illuminated with light (532 nm) to dark-current ratio was enhancedsignificantly for CdS/Si nanowire based detector. Measurements of time resolvedresponses at zero bias were conducted, and the result also demonstrated that CdS/Si nanowire heterostructure had a high photosensitivity and fast photo-responseas the self-driven visible light photodetector. Additionally, the correspondingmechanism for the phenomenon was discussed, and it is believed that such a highphotoresponse comes from the improved optical absorption as well as the goodcarrier transfer and collection capability. The present CdS/Si core-shellheterojunction architectures are envisaged as potentially valuable candidates fornext-generation photodectors.

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