Chinese Journal of Catalysis ›› 2021, Vol. 42 ›› Issue (1): 184-192.DOI: 10.1016/S1872-2067(20)63588-4
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Yukai Chena,b,c, Yu Wangd, Jiaojiao Fanga,b,c, Baoying Daia,b,c, Jiahui Koua,b,c,*, Chunhua Lua,b,c,#, Yuanjin Zhaod,$
Received:
2020-02-23
Accepted:
2020-04-10
Online:
2021-01-18
Published:
2021-01-18
Contact:
Jiahui Kou,Chunhua Lu,Yuanjin Zhao
About author:
$E-mail: yjzhao@seu.edu.cnSupported by:
Yukai Chen, Yu Wang, Jiaojiao Fang, Baoying Dai, Jiahui Kou, Chunhua Lu, Yuanjin Zhao. Design of a ZnO/Poly(vinylidene fluoride) inverse opal film for photon localization-assisted full solar spectrum photocatalysis[J]. Chinese Journal of Catalysis, 2021, 42(1): 184-192.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(20)63588-4
Fig. 1. (a) Preparation process illustration of the ZnO/PVDF IO film. FESEM images of the silica photonic crystal template (b), silica photonic crystal template after AB-PVDF infiltration (c), 0.5%AB-PVDF IO film (d), and ZnO/0.5%AB-PVDF IO film (e).
Fig. 2. XPS spectra of C 1s (a), F 1s (b), O 1s (c), and Zn 2p (d) for the Z0.5A sample; (e) XRD spectra of the 0.5A, Z0.5A, and ZF samples; (f) absorption spectra of ZnO and AB.
Fig. 3. Transmittance spectra of ZnO/AB-PVDF IO films made by silica templates of sizes: (a) 247 nm; (b) 369 nm; (c) 473 nm. Specular reflection spectra of ZnO/AB-PVDF IO films made by silica templates of sizes: (d) 247 nm; (e) 369 nm; (f) 473 nm.
Fig. 4. Temperatures of the ZnO/AB-PVDF IO samples irradiated by xenon lamp for 60 min in microreactors (a) and 2 min in air (b). Temperature curves of ZnO/PVDF IO samples irradiated by xenon lamp in microreactors of pore size = 247 (c), 369 (d), 473 (e), and pure film without PC structure (f).
Fig. 5. (a) Photocatalytic performance of ZnO/AB-PVDF IO samples for TC degradation under simulated solar light irradiation for 1 h; (b) Cyclic degradation efficiency of TC over Z0.5A-369; Operating temperature curve (c) and photocatalytic performance (d) of Z0.5A-369 for TC degradation under different flow speeds.
Fig. 6. Illustrations of: (a) the light propagation pathway in ZnO/AB-PVDF IO, (b) light localization effect of ZnO/AB-PVDF IO, and (c) photocatalysis process of ZnO nanoparticles. (d) Electric field distribution of ZnO/PIO-369 calculated by FDTD.
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