fulltext.study @t Gmail

Ti/ZnO–Fe2O3 composite: Synthesis, characterization and application as a highly efficient photoelectrocatalyst for methanol from CO2 reduction

Paper ID Volume ID Publish Year Pages File Format Full-Text
45094 46396 2016 12 PDF Available
Title
Ti/ZnO–Fe2O3 composite: Synthesis, characterization and application as a highly efficient photoelectrocatalyst for methanol from CO2 reduction
Abstract

•Ti/ZnO–Fe2O3 composite was used as thin film electrode in CO2 photoelectroreduction.•Composite with flower–like crystal showed narrow band gap and excellent textural properties.•The methanol field was 0.773 mmol/cm2 after 3 h by composite with Ti/Fe = 1 and 800 °C.•Spinel is benefit for the improvement of composites photoelectrocatalytic activity.•The product of CO2 reduction was methanol, intermediates were formic acid and formaldehyde.

In this paper, Ti/ZnO–Fe2O3 composite derived from Ti/Schiff base intercalated ZnFe layered double hydroxides was used as thin film electrode in CO2 photoelectroreduction. The influence of molar ratio of Ti/Fe and calcination temperature, which would affect the composites' physicochemical property and the photoelectrocatalytic performance for CO2 reduction, were investigated in detail. The characterization results from XRD, SEM, TEM, UV-vis and BET showed that Ti/ZnO–Fe2O3 composite with flower–like crystal from had small particle sizes, narrow band gap and excellent textural properties. The final product of CO2 photoelectroreduction was methanol and the intermediates were formic acid and formaldehyde. The methanol field reached at 0.773 mmol/cm2 after 3 h reaction with 0.5 V voltage by Ti/ZnO–Fe2O3 composite with Ti/Fe = 1, calcined at 800 °C. In addition, the CO2 photoelectroreduction pathway and the reason for highly efficient photoelectrocatalytic activity of the composite were also discussed.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Ti/ZnO–Fe2O3 composite; Photoelectrocatalysis; Methanol; CO2 reduction; Mechanism
First Page Preview
Ti/ZnO–Fe2O3 composite: Synthesis, characterization and application as a highly efficient photoelectrocatalyst for methanol from CO2 reduction
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
Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 187, 15 June 2016, Pages 122–133
Authors
, , , , , ,
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