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Highly Efficient and Selective CO2 Electro-Reduction to HCOOH on Sn Particle-Decorated Polymeric Carbon Nitride
Tian, JJ; Wang, M; Shen, M; Ma, X; Hua, ZL; Zhang, LX; Shi, JL
2020-12-07
Source PublicationCHEMSUSCHEM
ISSN1864-5631
Issue23Pages:6442
SubtypeArticle
AbstractElectrochemical conversion of CO2 into liquid fuels by efficient and earth-abundant catalysts is of broad interest but remains a great challenge in renewable energy production and environmental remediation. Herein, a Sn particle-decorated polymeric carbon nitride (CN) electrocatalyst was successfully developed for efficient, durable, and highly selective CO2 reduction to formic acid. High-resolution X-ray photoelectron spectroscopy confirmed that the metallic Sn particles and CN matrix are bound by strong chemical interaction, rendering the composite catalyst a stable structure. More notably, the electronic structure of Sn was well tuned to be highly electron-rich due to the electron transfer from N atoms of CN to Sn atoms via metal-support interactions, which favored the adsorption and activation of CO2 molecules, promoted charge transport, and thus enhanced the electrochemical conversion of CO2. The composite electrocatalyst demonstrated an excellent Faradaic efficiency of formic acid (FEHCOOH) up to 96 +/- 2 % at the potential of -0.9 V vs. reversible hydrogen electrode, which remained at above 92 % during the electrochemical reaction of 10 h, indicating that the present Sn particle-decorated polymeric carbon nitride electrocatalyst is among the best in comparison with reported Sn-based electrocatalysts.
DOI10.1002/cssc.202002184
WOS KeywordELECTROCHEMICAL REDUCTION ; MESOPOROUS SNO2 ; DIOXIDE ; ELECTROREDUCTION ; ELECTROCATALYST ; NANOSHEETS ; OXIDES
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27637
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Tian, JJ,Wang, M,Shen, M,et al. Highly Efficient and Selective CO2 Electro-Reduction to HCOOH on Sn Particle-Decorated Polymeric Carbon Nitride[J]. CHEMSUSCHEM,2020(23):6442.
APA Tian, JJ.,Wang, M.,Shen, M.,Ma, X.,Hua, ZL.,...&Shi, JL.(2020).Highly Efficient and Selective CO2 Electro-Reduction to HCOOH on Sn Particle-Decorated Polymeric Carbon Nitride.CHEMSUSCHEM(23),6442.
MLA Tian, JJ,et al."Highly Efficient and Selective CO2 Electro-Reduction to HCOOH on Sn Particle-Decorated Polymeric Carbon Nitride".CHEMSUSCHEM .23(2020):6442.
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