Using metal nanostructures to form hydrocarbons from carbon dioxide, water and sunlight | Zendy

Cong Wang | Zendy; Mengyan Shen | Zendy; Haibin Huo | Zendy; Haizhou Ren | Zendy; Michael Johnson | Zendy

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Using metal nanostructures to form hydrocarbons from carbon dioxide, water and sunlight

Author(s) -

Cong Wang,

Mengyan Shen,

Haibin Huo,

Haizhou Ren,

Michael Johnson

Publication year - 2011

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.3657847

Subject(s) - nanostructure , cobalt , molecule , carbon dioxide , photochemistry , materials science , excited state , sunlight , carbon fibers , surface plasmon , chemical engineering , metal , chemistry , nanotechnology , plasmon , inorganic chemistry , optoelectronics , organic chemistry , atomic physics , optics , composite material , composite number , physics , engineering

Based on experimental results, we propose a mechanism that allows the use of metal nanostructures to synthesize hydrocarbons and carbohydrates from carbon dioxide, water and sunlight. When sunlight impinges on cobalt nanostructures in a glass chamber, its intensity is greatly enhanced around the tips of the nanostructures through surface plasmon excitations focusing effect, and it then photodissociates the water and carbon dioxide molecules through enhanced photon absorptions of ions around the tips of the nanostructures. The photodissociated molecules in excited states remain on the cobalt nanostructure surfaces and various hydrocarbons and carbohydrates then will be formed around the surfaces at temperatures much lower than 100 oC

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