Carbon-doped SnS2 nanostructure as a high-efficiency solar fuel catalyst under visible light

Indrajit Shown; Satyanarayana Samireddi; Yu Chung Chang; Raghunath Putikam; Po Han Chang; Amr Sabbah; Fang Yu Fu; Wei Fu Chen; Chih I. Wu; Tsyr Yan Yu; Po Wen Chung; Ming-Chang Lin; Li Chyong Chen; Kuei Hsien Chen

doi:10.1038/s41467-017-02547-4

Carbon-doped SnS₂ nanostructure as a high-efficiency solar fuel catalyst under visible light

Indrajit Shown, Satyanarayana Samireddi, Yu Chung Chang, Raghunath Putikam, Po Han Chang, Amr Sabbah, Fang Yu Fu, Wei Fu Chen, Chih I. Wu, Tsyr Yan Yu, Po Wen Chung, Ming-Chang Lin, Li Chyong Chen^*, Kuei Hsien Chen

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Photocatalytic formation of hydrocarbons using solar energy via artificial photosynthesis is a highly desirable renewable-energy source for replacing conventional fossil fuels. Using an l-cysteine-based hydrothermal process, here we synthesize a carbon-doped SnS₂ (SnS₂-C) metal dichalcogenide nanostructure, which exhibits a highly active and selective photocatalytic conversion of CO₂ to hydrocarbons under visible-light. The interstitial carbon doping induced microstrain in the SnS₂ lattice, resulting in different photophysical properties as compared with undoped SnS₂. This SnS₂-C photocatalyst significantly enhances the CO₂ reduction activity under visible light, attaining a photochemical quantum efficiency of above 0.7%. The SnS₂-C photocatalyst represents an important contribution towards high quantum efficiency artificial photosynthesis based on gas phase photocatalytic CO₂ reduction under visible light, where the in situ carbon-doped SnS₂ nanostructure improves the stability and the light harvesting and charge separation efficiency, and significantly enhances the photocatalytic activity.

Original language	English
Article number	169
Journal	Nature Communications
Volume	9
Issue number	1
DOIs	https://doi.org/10.1038/s41467-017-02547-4
State	Published - 1 Dec 2018

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title = "Carbon-doped SnS2 nanostructure as a high-efficiency solar fuel catalyst under visible light",

abstract = "Photocatalytic formation of hydrocarbons using solar energy via artificial photosynthesis is a highly desirable renewable-energy source for replacing conventional fossil fuels. Using an l-cysteine-based hydrothermal process, here we synthesize a carbon-doped SnS2 (SnS2-C) metal dichalcogenide nanostructure, which exhibits a highly active and selective photocatalytic conversion of CO2 to hydrocarbons under visible-light. The interstitial carbon doping induced microstrain in the SnS2 lattice, resulting in different photophysical properties as compared with undoped SnS2. This SnS2-C photocatalyst significantly enhances the CO2 reduction activity under visible light, attaining a photochemical quantum efficiency of above 0.7%. The SnS2-C photocatalyst represents an important contribution towards high quantum efficiency artificial photosynthesis based on gas phase photocatalytic CO2 reduction under visible light, where the in situ carbon-doped SnS2 nanostructure improves the stability and the light harvesting and charge separation efficiency, and significantly enhances the photocatalytic activity.",

author = "Indrajit Shown and Satyanarayana Samireddi and Chang, {Yu Chung} and Raghunath Putikam and Chang, {Po Han} and Amr Sabbah and Fu, {Fang Yu} and Chen, {Wei Fu} and Wu, {Chih I.} and Yu, {Tsyr Yan} and Chung, {Po Wen} and Ming-Chang Lin and Chen, {Li Chyong} and Chen, {Kuei Hsien}",

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doi = "10.1038/s41467-017-02547-4",

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AU - Samireddi, Satyanarayana

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AU - Putikam, Raghunath

AU - Chang, Po Han

AU - Sabbah, Amr

AU - Fu, Fang Yu

AU - Chen, Wei Fu

AU - Wu, Chih I.

AU - Yu, Tsyr Yan

AU - Chung, Po Wen

AU - Lin, Ming-Chang

AU - Chen, Li Chyong

AU - Chen, Kuei Hsien

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Photocatalytic formation of hydrocarbons using solar energy via artificial photosynthesis is a highly desirable renewable-energy source for replacing conventional fossil fuels. Using an l-cysteine-based hydrothermal process, here we synthesize a carbon-doped SnS2 (SnS2-C) metal dichalcogenide nanostructure, which exhibits a highly active and selective photocatalytic conversion of CO2 to hydrocarbons under visible-light. The interstitial carbon doping induced microstrain in the SnS2 lattice, resulting in different photophysical properties as compared with undoped SnS2. This SnS2-C photocatalyst significantly enhances the CO2 reduction activity under visible light, attaining a photochemical quantum efficiency of above 0.7%. The SnS2-C photocatalyst represents an important contribution towards high quantum efficiency artificial photosynthesis based on gas phase photocatalytic CO2 reduction under visible light, where the in situ carbon-doped SnS2 nanostructure improves the stability and the light harvesting and charge separation efficiency, and significantly enhances the photocatalytic activity.

AB - Photocatalytic formation of hydrocarbons using solar energy via artificial photosynthesis is a highly desirable renewable-energy source for replacing conventional fossil fuels. Using an l-cysteine-based hydrothermal process, here we synthesize a carbon-doped SnS2 (SnS2-C) metal dichalcogenide nanostructure, which exhibits a highly active and selective photocatalytic conversion of CO2 to hydrocarbons under visible-light. The interstitial carbon doping induced microstrain in the SnS2 lattice, resulting in different photophysical properties as compared with undoped SnS2. This SnS2-C photocatalyst significantly enhances the CO2 reduction activity under visible light, attaining a photochemical quantum efficiency of above 0.7%. The SnS2-C photocatalyst represents an important contribution towards high quantum efficiency artificial photosynthesis based on gas phase photocatalytic CO2 reduction under visible light, where the in situ carbon-doped SnS2 nanostructure improves the stability and the light harvesting and charge separation efficiency, and significantly enhances the photocatalytic activity.

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Carbon-doped SnS₂ nanostructure as a high-efficiency solar fuel catalyst under visible light

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