ICCAS OpenIR
Hierarchically Macro-/Mesoporous Ti-Si Oxides Photonic Crystal with Highly Efficient Photocatalytic Capability
Liu, Jian1,2; Li, Mingzhu1; Wang, Jingxia1; Song, Yanlin1; Jiang, Lei1; Murakami, Taketoshi3; Fujishima, Akira3
2009-12-15
Source PublicationENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN0013-936X
Volume43Issue:24Pages:9425-9431
AbstractHierarchically macro-/mesoporous Ti-Si oxides photonic crystal (i-Ti-Si PC) with highly efficient photocatalytic activity has been synthesized by combining colloidal crystal template and amphiphilic triblock copolymer. It was found that the thermal stability of mesoporous structures in the composite matrix were improved due to the introduction of silica acting as glue and linking anatase nanoparticles together, and the photocatalytic activity of the i-Ti-Si PCs was affected by the calcination conditions. The influences of photonic and structural effect of the i-Ti-Si PCs on photocatalytic activity were investigated. Photodegradation efficiency of the i-Ti-Si PCs was 2.1 times higher than that of TiO(2) photonic crystals (i-TiO(2) PCs) in the photodegradation of Rhodamine B (RB) dye as a result of higher surface area. When the energy of slow photon (SP) was optimized to the abosorption region of TiO(2), a maximum enhanced factor of 15.6 was achieved in comparison to nanocrystalline TiO(2) films (nc-TiO(2)), which originated from the synergetic effect of SP enhancement and high surface area.
DOI10.1021/es902462c
Indexed BySCI
Language英语
WOS IDWOS:000272462500061
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:77[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67890
Collection中国科学院化学研究所
Corresponding AuthorLi, Mingzhu
Affiliation1.Chinese Acad Sci, BNLMS, Ctr Mol Sci, Inst Chem, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Kanagawa Acad Sci & Technol, Takatsu Ku, Kawasaki Ku, Kanagawa 2130012, Japan
Recommended Citation
GB/T 7714
Liu, Jian,Li, Mingzhu,Wang, Jingxia,et al. Hierarchically Macro-/Mesoporous Ti-Si Oxides Photonic Crystal with Highly Efficient Photocatalytic Capability[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2009,43(24):9425-9431.
APA Liu, Jian.,Li, Mingzhu.,Wang, Jingxia.,Song, Yanlin.,Jiang, Lei.,...&Fujishima, Akira.(2009).Hierarchically Macro-/Mesoporous Ti-Si Oxides Photonic Crystal with Highly Efficient Photocatalytic Capability.ENVIRONMENTAL SCIENCE & TECHNOLOGY,43(24),9425-9431.
MLA Liu, Jian,et al."Hierarchically Macro-/Mesoporous Ti-Si Oxides Photonic Crystal with Highly Efficient Photocatalytic Capability".ENVIRONMENTAL SCIENCE & TECHNOLOGY 43.24(2009):9425-9431.
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