Giant enhancement of top emission from ZnO thin film by nano-patterned Pt

Giant enhancement of top emission from ZnO thin film by nano-patterned Pt

The authors report the enhancement of the bandgap emission from ZnO thin films by surface modification and surface plasmon cross-coupling. 12-fold and twofold enhancements of bandgap emission from the metal side of ZnO film were observed by sputtering Pt nanopattern and Pt film onto ZnO film, respec...

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Bibliographic Details
Main Authors: Liu, K. W., Tang, Y. D., Cong, Chunxiao, Sum, Tze Chien, Huan, Alfred Cheng Hon, Shen, Zexiang, Wang, Lan, Jiang, F. Y., Sun, Xiaowei, Sun, Handong
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2010
Subjects:
DRNTU::Engineering::Materials::Photonics and optoelectronics materials
Online Access:https://hdl.handle.net/10356/93932
http://hdl.handle.net/10220/6225
http://sfxna09.hosted.exlibrisgroup.com:3410/ntu/sfxlcl3?sid=metalib:EBSCO_APH&id=doi:&genre=&isbn=&issn=00036951&date=2009&volume=95&issue=2&spage=029903&epage=&aulast=Liu&aufirst=%20K%20%20W&auinit=&title=Applied%20Physics%20Letters
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Institution: Nanyang Technological University
Language: English
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Summary:The authors report the enhancement of the bandgap emission from ZnO thin films by surface modification and surface plasmon cross-coupling. 12-fold and twofold enhancements of bandgap emission from the metal side of ZnO film were observed by sputtering Pt nanopattern and Pt film onto ZnO film, respectively. Time-resolved photoluminescence indicates that the decay time is slowed down by Pt capping, contrary to common observations. The “abnormal” phenomena are interpreted by considering both the surface modification and surface plasmon coupling.

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