Room-temperature tailoring of vertical ZnO nanoarchitecture morphology for efficient hybrid polymer solar cells

Yu Hsiang Sung, Wen Pin Liao, Dian Wei Chen, Chun Te Wu, Geng Jia Chang, Jih Jen Wu

研究成果: Article同行評審

54 引文 斯高帕斯(Scopus)

摘要

A ZnO nanoarchitecture, i.e., ZnO nanosheet (NS) framework, is demonstrated to be a promising electron acceptor and direct electron transport matrix for polymer-inorganic hybrid solar cells. The ZnO NS framework is constructed on nanoneedles/indium tin oxide substrate via a room-temperature chemical bath deposition (RT CBD). The framework morphology can be simply tailored by varying the concentration of precursor solution in the RT CBD. The ZnO nanoarchitecture with an appropriate free space between the NSs is consequently demonstrated to facilitate poly(3-hexylthiophene) (P3HT) infiltration, resulting in superior interface properties, i.e., more efficient charge separation and less charge recombination, in the hybrid. Moreover, apart from the characteristics similar to the ZnO nanorod (NR) array, including vertical feature and single crystalline structure, the ZnO NS framework exhibits a slightly larger absorption edge and a faster electron transport rate. A notable efficiency of 0.88% is therefore attained in the ZnO NS-P3HT hybrid solar cell, which is higher than that of the ZnO NR-P3HT hybrid solar cell.

原文English
頁(從 - 到)3808-3814
頁數7
期刊Advanced Functional Materials
22
發行號18
DOIs
出版狀態Published - 2012 九月 25

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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