4.7 Article

Selective photocatalytic CO2 reduction on copper-titanium dioxide: a study of the relationship between CO production and H2 suppression

Journal

CHEMICAL COMMUNICATIONS
Volume 55, Issue 56, Pages 8068-8071

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c9cc02891a

Keywords

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Funding

  1. Shenzhen Fundamental Research funding [JCYJ20160530185817133, JCYJ20160331115312355, JCYJ20160331115147389]
  2. Start-up Funds for High-Level Talents of Sun Yat-sen University [38000-18841209]
  3. National Supercomputer Center in Guangzhou
  4. National Supercomputing Center in Shenzhen (Shenzhen Cloud Computing Center)

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Low selectivity and the competing reaction of hydrogen evolution are two problems in photocatalytic CO2 reduction. Herein, we deposited highly crystalline metallic Cu nanoparticles onto TiO2 photocatalysts using a solvothermal method. They were found to convert CO2 into CO without any by-products. Importantly, hydrogen evolution can be suppressed after a reaction time of 1-2 h with a high generation rate and selectivity for CO production.

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