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Photocatalytic reduction of CO2 to energy products using Cu–TiO2/ZSM-5 and Co–TiO2/ZSM-5 under low energy irradiation

Paper ID Volume ID Publish Year Pages File Format Full-Text
49519 46751 2015 4 PDF Available
Title
Photocatalytic reduction of CO2 to energy products using Cu–TiO2/ZSM-5 and Co–TiO2/ZSM-5 under low energy irradiation
Abstract

•Cu or Co incorporated TiO2/ZSM-5 catalysts were prepared by a sol–gel method.•The CO2 conversion properties were studied upon UV irradiation with low energy.•The methanol is the only obtained product in our study.•Cu–TiO2/ZSM-5 shows superior CO2 conversion efficiency.•High photo energy efficiency (PEE) and quantum yield (φ) were reached.

Copper or cobalt incorporated TiO2 supported ZSM-5 catalysts were prepared by a sol–gel method, and then were characterized by XRD, BET, XPS and UV–vis diffuse reflectance spectroscopy. Ti3 + was the main titanium specie in TiO2/ZSM-5 and Cu–TiO2/ZSM-5, which will be oxide to Ti4 + after Co was doped. With the deposition of Cu or Co, the efficiency of the CO2 conversion to CH3OH was increased under low energy irradiation. The peak production rate of CH3OH reached 50.05 and 35.12 μmol g− 1 h− 1, respectively. High photo energy efficiency (PEE) and quantum yield (φ) were also reached. The mechanism was discussed in our study.

Keywords
OSJJMLACWMODSJ-UHFFFAOYSA-NPhotocatalysis; TiO2; Nanocomposite; CO2 photoreduction
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Photocatalytic reduction of CO2 to energy products using Cu–TiO2/ZSM-5 and Co–TiO2/ZSM-5 under low energy irradiation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 59, 10 January 2015, Pages 69–72
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us