title: Thermoresponsive Photonic Crystal: Synergistic Effect of Poly(N-isopropylacrylamide)-co-acrylic Acid and Morpho Butterfly Wing.
abstract: In this work, we report a simple method to fabricate smart polymers engineered with hierarchical photonic structures of Morpho butterfly wing to present high performance that are capable of color tunability over temperature. The materials were assembled by combining functional temperature responsivity of poly(N-isopropylacrylamide)-co-acrylic acid (PNIPAm-co-AAc) with the biological photonic crystal (PC) structure of Morpho butterfly wing, and then the synergistic effect between the functional polymer and the natural PC structure was created. Their cooperativity is instantiated in the phase transition of PNIPAm-co-AAc (varying with the change of temperature) that can alter the nanostructure of PCs, which further leads to the reversible spectrum response property of the modified hierarchical photonic structures. The cost-effective biomimetic technique presented here highlights the bright prospect of fabrication of more stimuli-responsive functional materials via coassembling smart polymers and biohierarchical structures, and it will be an important platform for the development of nanosmart biomaterials.
authors: College of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, China.
authors: Dongdong
authors: D
authors: Xu
authors: College of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, China.
authors: Huanan
authors: H
authors: Yu
authors: College of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, China.
authors: Qun
authors: Q
authors: Xu
authors: College of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, China.
authors: Guiheng
authors: G
authors: Xu
authors: College of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, China.
authors: Kaixi
authors: K
authors: Wang
mesh_terms: D000178:Acrylamides / Q000737:chemistry*; D000818:Animals; D002080:Butterflies / Q000033:anatomy & histology*; D003460:Crystallization; D017785:Photons; D011108:Polymers / Q000737:chemistry*; D017550:Spectroscopy, Fourier Transform Infrared; D013696:Temperature; D013818:Thermogravimetry; D014921:Wings, Animal / Q000033:anatomy & histology* / Q000648:ultrastructure
chemical_list: D000178:Acrylamides; C090629:N-isopropylacrylamide-acrylic acid copolymer; D011108:Polymers
keywords: biomaterials; functional polymers; photonic crystals; polymerization; temperature-responsive