Tuning the photonic properties of chiral nematic mesoporous organosilica with hydrogen-bonded liquid-crystalline assemblies

被引：31

作者：

Giese, Michael ^{[1
,2
]}

Krappitz, Tim ^{[2
,3
]}

Dong, Ronald Y. ^{[4
]}

Michal, Carl A. ^{[4
]}

Hamad, Wadood Y. ^{[3
,5
]}

Patrick, Brian O. ^{[2
]}

MacLachlan, Mark J. ^{[2
]}

机构：

[1] Univ Duisburg Essen, Inst Organ Chem, D-45117 Essen, Germany

[2] Univ British Columbia, Dept Chem, Vancouver, BC V6T 1Z1, Canada

[3] Rhein Westfal TH Aachen, Inst Organ Chem, D-52074 Aachen, Germany

[4] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

[5] EFPInnovations, Vancouver, BC V6T 1Z4, Canada

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2015年 / 3卷 / 07期

基金：

加拿大自然科学与工程研究理事会;

关键词：

INFILTRATED INVERSE OPAL; DISCOTIC MESOPHASE; SIDE-CHAIN; BAND; COPOLYMER; NMR; CONFINEMENT; REFLECTION; POLYMERS; BEHAVIOR;

D O I：

10.1039/c4tc02602k

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A series of novel hydrogen-bonded assemblies was synthesized and characterized with respect to their liquid-crystalline behaviour. Solid-state NMR spectroscopy gave insight into the columnar nematic mesophase and the corresponding ordering and alignment. Infiltrating the pores of chiral nematic mesoporous organosilica films with the liquid-crystalline compounds gives composite samples that undergo reversible phase changes with temperature, leading to tuneable photonic properties. The unique combination of liquid crystallinity arising from supramolecular interactions (hydrogen bonding) and chiral nematic organisation in a solid-state host is a promising new concept for developing optical sensors.

引用

页码：1537 / 1545

页数：9

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