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Issue 37, 2011
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Fabrication of wafer-scale polystyrene photonic crystal multilayers via the layer-by-layer scooping transfer technique

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Abstract

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).

Graphical abstract: Fabrication of wafer-scale polystyrene photonic crystal multilayers via the layer-by-layer scooping transfer technique

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Publication details

The article was received on 15 Mar 2011, accepted on 26 May 2011 and first published on 05 Jul 2011


Article type: Paper
DOI: 10.1039/C1JM11122A
Citation: J. Mater. Chem., 2011,21, 14167-14172
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    Fabrication of wafer-scale polystyrene photonic crystal multilayers via the layer-by-layer scooping transfer technique

    J. R. Oh, J. H. Moon, S. Yoon, C. R. Park and Y. R. Do, J. Mater. Chem., 2011, 21, 14167
    DOI: 10.1039/C1JM11122A

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