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author:

李旦振 (李旦振.) [1] (Scholars:李旦振) | 刘平 (刘平.) [2] (Scholars:刘平) | 付贤智 (付贤智.) [3] (Scholars:付贤智)

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PKU CSCD

Abstract:

首次在多孔硅(PS)的表面镀纳米二氧化钛(TiO2)薄膜,表面光电压谱(SPS)测试表明:镀膜后多孔硅的光电压信号增强约2~3个数量级,其原因可能是双异质结构TiO2/PS/p-Si能有效地吸收近红外一直到紫外光,并且近本征的多孔硅自建电场增大,使光生电子-空穴对能有效地分离;PS/p-Si之间的势垒差产生的阻止少子向电极扩散的背向电场,也能有效地增强光生电压.

Keyword:

二氧化钛 多孔硅 异质结 表面光电压谱

Community:

  • [ 1 ] [李旦振]福州大学
  • [ 2 ] [刘平]福州大学
  • [ 3 ] [付贤智]福州大学

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Source :

材料研究学报

ISSN: 1005-3093

CN: 21-1328/TG

Year: 2000

Issue: 5

Volume: 14

Page: 558-560

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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