DOI: 10.1002/cssc.201100082. Three‐Dimensionally Ordered Macroporous Titania with Structural and Photonic Effects for Enhanced Photocatalytic Efficiency

Three‐Dimensionally Ordered Macroporous Titania with Structural and Photonic Effects for Enhanced Photocatalytic Efficiency

10.1002/cssc.201100082

Crossref journal-article

Wiley

ChemSusChem (311)

Abstract

AbstractThe three dimensional photonic crystals concept has been employed for photocatalysis. Slow photons observed in photonic crystal structures will enhance the absorption of materials when the photon energy matches the absorbance of the materials, which would improve the photocatalytic efficiency. In this work, three dimensionally ordered macroporous (3DOM) titania was prepared by applying the colloidal templating method with a range of pore diameters. Calcination at different temperatures to remove the templates resulted in different crystalline phases. The structural and photonic properties were characterized and their effects on photocatalytic activity are presented as well. A strong effect of the pore diameter on the photocatalytic activity was observed and correlated with the photon energy involved in the photodegradation process of organics. A very interesting phenomenon was also observed: the sample prepared by using PS spheres of 250 nm had a high photocatalytic efficiency, which mismatched the effect of pore diameter, probably owing to the slow photon effect.

Bibliography

Wu, M., Li, Y., Deng, Z., & Su, B. (2011). ThreeâDimensionally Ordered Macroporous Titania with Structural and Photonic Effects for Enhanced Photocatalytic Efficiency. ChemSusChem, 4(10), 1481â1488. Portico.

Authors 4

Min Wu (first)
Yu Li (additional)
Zhao Deng (additional)
Bao‐Lian Su (additional)

References 53 Referenced 84

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Dates

Type	When
Created	14 years ago (Aug. 31, 2011, 8:08 p.m.)
Deposited	1 year, 11 months ago (Sept. 11, 2023, 10:54 p.m.)
Indexed	2 months ago (June 26, 2025, 4:49 a.m.)
Issued	14 years ago (Aug. 24, 2011)
Published	14 years ago (Aug. 24, 2011)
Published Online	14 years ago (Aug. 24, 2011)
Published Print	13 years, 10 months ago (Oct. 17, 2011)

Funders 0

None

BibTeX

@article{Wu_2011, title={Three‐Dimensionally Ordered Macroporous Titania with Structural and Photonic Effects for Enhanced Photocatalytic Efficiency}, volume={4}, ISSN={1864-564X}, url={http://dx.doi.org/10.1002/cssc.201100082}, DOI={10.1002/cssc.201100082}, number={10}, journal={ChemSusChem}, publisher={Wiley}, author={Wu, Min and Li, Yu and Deng, Zhao and Su, Bao‐Lian}, year={2011}, month=aug, pages={1481–1488} }

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