Layer transfer approach to opaline hetero photonic crystals

Langmuir : the ACS Journal of Surfaces and Colloids
Qingfeng YanYet-Ming Chiang

Abstract

By taking advantage of the hydrophobicity of dry polystyrene colloidal crystal (opal) films and the large surface tension of water, a convectively self-assembled polystyrene opal film on a hydrophilic glass substrate can be peeled off from the substrate and floated on the water surface. A layer transfer technique was developed to sequentially stack floating opal films of different sphere sizes, resulting in opaline hetero photonic crystals. The feasibility of this technique to planar defect engineering in a self-assembled colloidal photonic crystal was also demonstrated. Both structural observation and optical characterization confirmed the crystalline integrity of the resultant opaline heterostructures.

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Citations

Dec 22, 2009·Physical Chemistry Chemical Physics : PCCP·Francesco Di StasioDavide Comoretto
Jul 10, 2013·Chemical Society Reviews·Hailin CongXuesong Liu
Jul 1, 2010·Advanced Materials·Maria BardosovaRichard H Tredgold
Apr 6, 2016·ACS Applied Materials & Interfaces·Roman KubrinGerold A Schneider
Aug 6, 2016·Journal of Colloid and Interface Science·Khalid AskarPeng Jiang
May 5, 2017·Physical Chemistry Chemical Physics : PCCP·Yuxian ZhangMaohua Quan
May 19, 2020·Journal of Colloid and Interface Science·Youngjoon SuhYoonjin Won
Jul 26, 2008·Langmuir : the ACS Journal of Surfaces and Colloids·Kwan Wee TanC C Wong
May 20, 2015·ACS Applied Materials & Interfaces·Vishnu Prasad ShrivastavaJitendra Kumar
Jul 19, 2014·ACS Applied Materials & Interfaces·Jefferson J do RosárioGerold A Schneider

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