期刊
ACS APPLIED MATERIALS & INTERFACES
卷 6, 期 19, 页码 16727-16733出版社
AMER CHEMICAL SOC
DOI: 10.1021/am503810k
关键词
1DPCs; hydrogel; TiO2; GO; DMSO; pH
资金
- Preresearch Foundation for National Science Foundation
- Fundamental Research Funds for the Central Universities
- Fund for the Analysis and Testing of the Large-Scale Apparatus from the Southeast University
Recently, one-dimensional photonic crystals (1DPCs) have attracted considerable interest because they exhibit a material-specific response profile to external stimuli. In our previous work, TiO2/GO 1DPCs, the stopbands of which can be made to span the whole visible range, were fabricated by spin-coating technique. The prepared 1DPCs have a double response to both dimethyl sulfoxide and alkali solution. However, the response is slow, insensitive, and irreversible. To improve the responsiveness of the 1DPCs, poly(ethylene glycol) (PEG)-cross-linked poly((methyl vinyl ether)-co-maleic acid) (PMVE-co-MA) hydrogels were embedded in those crystals. The results demonstrated that modified 1DPCs with different stopbands could be obtained by controlling the speed of the spin-coating technique. The prepared 1DPCs have better responsiveness to external solution pH.
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