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首页> 外文期刊>Thin Solid Films >Heterojunctions based on perylene diimide embedded into porous silicon
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Heterojunctions based on perylene diimide embedded into porous silicon

机译：基于嵌入到多孔硅中的per二酰亚胺的异质结

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摘要

Organic-inorganic hybrid heterojunctions were fabricated from porous silicon (PS) and N,N'-diphenyl-3,4,9,10-perylenetetracarboxylic diimide (DPP). PS was prepared by electrochemical anodization of p-type Si wafers and DPP was embedded into PS by electrodeposition to form DPP/PS composites. Photoluminescence and surface photovoltaic spectra demonstrated a charge transfer process taking place in the composites, resulting in a higher exciton dissociation efficiency for the composites than pristine PS. The exciton dissociation efficiency could also be adjusted by the PS etching time, because the interface area in the composites varied with the PS etching time.
机译：有机-无机杂化异质结是由多孔硅（PS）和N，N'-联苯-3,4,9,10-per四羧酸二酰亚胺（DPP）制成的。通过对p型硅片进行电化学阳极氧化制备PS，并通过电沉积将DPP嵌入PS中以形成DPP / PS复合材料。光致发光和表面光伏光谱表明，在复合材料中发生了电荷转移过程，因此与原始PS相比，复合材料的激子解离效率更高。激子解离效率也可以通过PS蚀刻时间来调节，因为复合材料中的界面面积随PS蚀刻时间而变化。

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  • 来源
    《Thin Solid Films》 |2008年第12期|4272-4276|共5页
  • 作者

    Nan Liu; Hong-Zheng Chen; Mang Wang;

  • 作者单位

    Department of Polymer Science and Engineering, State Key Lab of Silicon Materials, Zhejiang University, Hangzhou 310027, PR China Key Laboratory of Macromolecule Synthesis and Functionalization (Zhejiang University), Ministry of Education, Hangzhou 310027, PR China;

    Department of Polymer Science and Engineering, State Key Lab of Silicon Materials, Zhejiang University, Hangzhou 310027, PR China Key Laboratory of Macromolecule Synthesis and Functionalization (Zhejiang University), Ministry of Education, Hangzhou 310027, PR China;

    Department of Polymer Science and Engineering, State Key Lab of Silicon Materials, Zhejiang University, Hangzhou 310027, PR China Key Laboratory of Macromolecule Synthesis and Functionalization (Zhejiang University), Ministry of Education, Hangzhou 310027, PR China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    heterojunctions; DPP; PS;

    机译：异质结民进党;聚苯乙烯;

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