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Highly Improved Solar Energy Harvesting for Fuel Production from CO2 by a Newly Designed Graphene Film Photocatalyst.


ABSTRACT: Our growing energy demands must be met by a sustainable supply with reduced carbon intensity. One of the most exciting prospects to realize this goal is the photocatalyst-biocatalyst integrated artificial photosynthesis system which affords solar fuel/chemicals in high selectivity from CO2. Graphene based photocatalysts are highly suitable for the system, but their industrial scale use requires immobilization for improved separation and recovery of the photocatalyst. Therefore for practical purposes, design and fabrication of film type graphene photocatalyst with higher solar energy conversion efficiency is an absolute necessity. As a means to achieve this, we report herein the successful development of a new type of flexible graphene film photocatalyst that leads to >225% rise in visible light harvesting efficiency of the resultant photocatalyst-biocatalyst integrated artificial photosynthesis system for highly selective solar fuel production from CO2 compared to conventional spin coated graphene film photocatalyst. It is an important step towards the design of a new pool of graphene film based photocatalysts for artificial photosynthesis of solar fuels from CO2.

SUBMITTER: Yadav RK 

PROVIDER: S-EPMC6233185 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Highly Improved Solar Energy Harvesting for Fuel Production from CO<sub>2</sub> by a Newly Designed Graphene Film Photocatalyst.

Yadav Rajesh K RK   Lee Jeong-O JO   Kumar Abhishek A   Kumar Abhishek A   Park No-Joong NJ   Yadav Dolly D   Kim Jae Young JY   Baeg Jin-Ook JO  

Scientific reports 20181113 1


Our growing energy demands must be met by a sustainable supply with reduced carbon intensity. One of the most exciting prospects to realize this goal is the photocatalyst-biocatalyst integrated artificial photosynthesis system which affords solar fuel/chemicals in high selectivity from CO<sub>2</sub>. Graphene based photocatalysts are highly suitable for the system, but their industrial scale use requires immobilization for improved separation and recovery of the photocatalyst. Therefore for pra  ...[more]

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