期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 21, 期 37, 页码 14167-14172出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm11122a
关键词
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资金
- Ministry of Education, Science and Technology (MEST) of Korea [2011-0017449, NRF-C1AAA001-2009-0092938, ERC-R11-2005-048-00000-0]
- National Research Foundation of Korea [2008-0060668] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This paper reports on a simple synthetic method for fabricating a wafer-scale colloidal crystal film of 2D crystals in a 1D stack based on a combination of two simple processes: the self-assembly of polystyrene (PS) nanospheres at the water-air interface and the layer-by-layer (LbL) scooping transfer technique. This method can routinely fabricate photonic crystal (PhC) multilayers over 4 inch diameter wafers with a controllable number of layers and vertically crack-free over wafer-scale area. We investigate the optical and morphological properties of the PhC multilayers fabricated using various mono-sized colloidal crystals (250, 300, 350, 420, 580, 720, and 850 nm), and mixed binary colloidal crystals (300/350 and 250/350 nm).
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