Temperature tunable photonic band gap in polyvinylidene fluoride inverse opals

被引：5
|
作者：
Yao, Jitan [1 ]
Wang, Jin [1 ]
Ji, Muwei [1 ]
Lan, Chuwen [1 ]
Liu, Wenmei [1 ]
Li, Bo [1 ]
机构：
[1] Tsinghua Univ, Grad Sch Shenzhen, Adv Mat Inst, Shenzhen 518055, Peoples R China
来源：
RSC ADVANCES | 2016年 / 6卷 / 108期
基金：
中国国家自然科学基金;
关键词：
CRYSTALS; EMISSION; ARRAYS; COLOR; STATE;
D O I：
10.1039/c6ra24011a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Inverse polyvinylidene fluoride (PVDF) opals with a temperature tunable photonic band gap (PBG) were fabricated by the sol-gel process using SiO2 opal templates. The samples exhibited an olivine to dark blue color after heat treatment at different temperatures. Their microregion reflection spectra showed that the inverse PVDF opal PBG blue-shifted from 573 nm to 498 nm when the treating temperature increased from 80 degrees C to 160 degrees C. This was due to a reduction of the inverse PVDF opal periodical size during the heat treatment process. Such inverse PVDF opals with temperature tunable PBGs have a great potential in device applications.
引用
收藏
页码：106370 / 106373
页数：4
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