Investigation of the geometrical effect on photoelectric properties of nano-ZnO with doped liquid crystal technique

Ying Xiang*, Yi Kun Liu, Yong Hai Chen, Yu Bing Guo, Ming Ya Xu, Zhen Ding, Tian Xia, Jia Hui Wang, Yi Wu Song, Ming Ze Yang, Everett Wang, Yu Hong Song, Shun Lin Yang, Guang Quan She

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

We demonstrated the geometrical effect of nano zinc-oxide (ZnO) on the electro-optical response of a nematic liquid crystal (LC). The experimental results indicated that anisotropic geometrical (nano-rod) ZnO will markedly enhance the photo-refractive effects of host LC, whereas isotropic geometrical (nano-particle) ZnO possess no such effects at all. With the help of photoluminescence spectra and photo-current measurement, we further prove that the geometries of dopants play decisive roles in determining the yield of photo-electron. These results are useful to the nano-technology application of nano-ZnO.

Original languageEnglish
Pages (from-to)745-750
Number of pages6
JournalApplied Physics A: Materials Science and Processing
Volume108
Issue number3
DOIs
Publication statusPublished - Sept 2012
Externally publishedYes

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