Tunable multicolor pattern and stop-band shift based on inverse opal hydrogel heterostructure

doi:10.1016/j.jcis.2011.02.007

CORC > 化学研究所 > 中国科学院化学研究所

	Tunable multicolor pattern and stop-band shift based on inverse opal hydrogel heterostructure
	Wang, Jianying; Han, Yanchun
刊名	JOURNAL OF COLLOID AND INTERFACE SCIENCE
	2011-05-01
卷号	357 期号:1 页码:139-146
关键词	Inverse Opal Hydrogel Heterostructure Colloidal Crystal Templating Tunable Multicolor Pattern Stop-band Shift
ISSN号	0021-9797
DOI	10.1016/j.jcis.2011.02.007
英文摘要	The inverse opal hydrogel heterostructure (polyacrylamide (PAAm) (left side)-polyacrylic acid (PM)/PAAm interpenetrating polymer network (IPN) (right side) is created by colloidal crystal templating. The two parts, PAAm and IPN, appear different structural colors due to the varied lattice constants and solvent response behaviors. The IPN part keeps red color and PAAm part shows different colors when the composition of the mixed solvent (ethanol and water) and crosslinking degree are changed. For example, as the ethanol content in the mixed solvents increases from 0% to 70%, the PAAm part color changes from red, yellow, green to blue when the PAAm crosslinking degree is 5 mol% or 1 mol%. Meanwhile, a large blue shift of about 200 nm can be realized covering almost the entire wavelength of visible light due to the decreased lattice spacing induced by the PAAm shrinkage. Thus, multi two-color patterns can be realized by changing the color of PAAm and the color of IPN remain red as background for contrast. Moreover, the IPN part can change from red to green by reducing the PAAm infiltration time in IPN part, which can realize the change from two-color pattern to one-color pattern at green region. (C) 2011 Elsevier Inc. All rights reserved.
语种	英语
出版者	ACADEMIC PRESS INC ELSEVIER SCIENCE
WOS记录号	WOS:000288773400021
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/73199]
专题	中国科学院化学研究所
通讯作者	Han, Yanchun
作者单位	Acad Sinica, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China
推荐引用方式 GB/T 7714	Wang, Jianying,Han, Yanchun. Tunable multicolor pattern and stop-band shift based on inverse opal hydrogel heterostructure[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2011,357(1):139-146.
APA	Wang, Jianying,&Han, Yanchun.(2011).Tunable multicolor pattern and stop-band shift based on inverse opal hydrogel heterostructure.JOURNAL OF COLLOID AND INTERFACE SCIENCE,357(1),139-146.
MLA	Wang, Jianying,et al."Tunable multicolor pattern and stop-band shift based on inverse opal hydrogel heterostructure".JOURNAL OF COLLOID AND INTERFACE SCIENCE 357.1(2011):139-146.