Room Temperature Nanographene Production via CO<sub>2</sub> Electrochemical Reduction on the Electrodeposited Bi on Sn Substrate
Electrochemical reduction of carbon dioxide (CO<sub>2</sub>RR) to crystalline solid carbon at room temperature is challenging, but it is a providential CO<sub>2</sub> utilization route due to its indefinite storage and potential applications of its products in many advanced t...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-09-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/12/19/3389 |
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| author | Piriya Pinthong Sarita Phupaichitkun Suthasinee Watmanee Rungkiat Nganglumpoon Duangamol N. Tungasmita Sukkaneste Tungasmita Yuttanant Boonyongmaneerat Nadtinan Promphet Nadnudda Rodthongkum Joongjai Panpranot |
| author_facet | Piriya Pinthong Sarita Phupaichitkun Suthasinee Watmanee Rungkiat Nganglumpoon Duangamol N. Tungasmita Sukkaneste Tungasmita Yuttanant Boonyongmaneerat Nadtinan Promphet Nadnudda Rodthongkum Joongjai Panpranot |
| author_sort | Piriya Pinthong |
| collection | DOAJ |
| description | Electrochemical reduction of carbon dioxide (CO<sub>2</sub>RR) to crystalline solid carbon at room temperature is challenging, but it is a providential CO<sub>2</sub> utilization route due to its indefinite storage and potential applications of its products in many advanced technologies. Here, room-temperature synthesis of polycrystalline nanographene was achieved by CO<sub>2</sub>RR over the electrodeposited Bi on Sn substrate prepared with various bismuth concentrations (0.01 M, 0.05 M, and 0.1 M). The solid carbon products were solely produced on all the prepared electrodes at the applied potential −1.1 V vs. Ag/AgCl and were characterized as polycrystalline nanographene with an average domain size of ca. 3–4 nm. The morphology of the electrodeposited Bi/Sn electrocatalysts did not have much effect on the final structure of the solid carbon products formed but rather affected the CO<sub>2</sub> electroreduction activity. The optimized negative potential for the formation of nanographene products on the 0.05Bi/Sn was ca. −1.5 V vs. Ag/AgCl. Increasing the negative value of the applied potential accelerated the agglomeration of the highly reactive nascent Bi clusters in situ formed under the reaction conditions, which, as a consequence, resulted in a slight deviation of the product selectivity toward gaseous CO and H<sub>2</sub> evolution reaction. The Bi–graphene composites produced by this method show high potential as an additive for working electrode modification in electrochemical sensor-related applications. |
| first_indexed | 2024-03-09T21:21:37Z |
| format | Article |
| id | doaj.art-4119e3de37bb492da36c048ada492a21 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-09T21:21:37Z |
| publishDate | 2022-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-4119e3de37bb492da36c048ada492a212023-11-23T21:19:17ZengMDPI AGNanomaterials2079-49912022-09-011219338910.3390/nano12193389Room Temperature Nanographene Production via CO<sub>2</sub> Electrochemical Reduction on the Electrodeposited Bi on Sn SubstratePiriya Pinthong0Sarita Phupaichitkun1Suthasinee Watmanee2Rungkiat Nganglumpoon3Duangamol N. Tungasmita4Sukkaneste Tungasmita5Yuttanant Boonyongmaneerat6Nadtinan Promphet7Nadnudda Rodthongkum8Joongjai Panpranot9Center of Excellence on Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, ThailandCenter of Excellence on Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, ThailandCenter of Excellence on Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, ThailandCenter of Excellence on Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, ThailandDepartment of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, ThailandGraphene Electronics Research Unit, Faculty of Science, Chulalongkorn University, Bangkok 10330, ThailandMetallurgy and Materials Science Research Institute (MMRI), Chulalongkorn University, Bangkok 10330, ThailandMetallurgy and Materials Science Research Institute (MMRI), Chulalongkorn University, Bangkok 10330, ThailandMetallurgy and Materials Science Research Institute (MMRI), Chulalongkorn University, Bangkok 10330, ThailandCenter of Excellence on Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, ThailandElectrochemical reduction of carbon dioxide (CO<sub>2</sub>RR) to crystalline solid carbon at room temperature is challenging, but it is a providential CO<sub>2</sub> utilization route due to its indefinite storage and potential applications of its products in many advanced technologies. Here, room-temperature synthesis of polycrystalline nanographene was achieved by CO<sub>2</sub>RR over the electrodeposited Bi on Sn substrate prepared with various bismuth concentrations (0.01 M, 0.05 M, and 0.1 M). The solid carbon products were solely produced on all the prepared electrodes at the applied potential −1.1 V vs. Ag/AgCl and were characterized as polycrystalline nanographene with an average domain size of ca. 3–4 nm. The morphology of the electrodeposited Bi/Sn electrocatalysts did not have much effect on the final structure of the solid carbon products formed but rather affected the CO<sub>2</sub> electroreduction activity. The optimized negative potential for the formation of nanographene products on the 0.05Bi/Sn was ca. −1.5 V vs. Ag/AgCl. Increasing the negative value of the applied potential accelerated the agglomeration of the highly reactive nascent Bi clusters in situ formed under the reaction conditions, which, as a consequence, resulted in a slight deviation of the product selectivity toward gaseous CO and H<sub>2</sub> evolution reaction. The Bi–graphene composites produced by this method show high potential as an additive for working electrode modification in electrochemical sensor-related applications.https://www.mdpi.com/2079-4991/12/19/3389electrochemical reduction of CO<sub>2</sub>Bi/Sn electrodegraphene |
| spellingShingle | Piriya Pinthong Sarita Phupaichitkun Suthasinee Watmanee Rungkiat Nganglumpoon Duangamol N. Tungasmita Sukkaneste Tungasmita Yuttanant Boonyongmaneerat Nadtinan Promphet Nadnudda Rodthongkum Joongjai Panpranot Room Temperature Nanographene Production via CO<sub>2</sub> Electrochemical Reduction on the Electrodeposited Bi on Sn Substrate Nanomaterials electrochemical reduction of CO<sub>2</sub> Bi/Sn electrode graphene |
| title | Room Temperature Nanographene Production via CO<sub>2</sub> Electrochemical Reduction on the Electrodeposited Bi on Sn Substrate |
| title_full | Room Temperature Nanographene Production via CO<sub>2</sub> Electrochemical Reduction on the Electrodeposited Bi on Sn Substrate |
| title_fullStr | Room Temperature Nanographene Production via CO<sub>2</sub> Electrochemical Reduction on the Electrodeposited Bi on Sn Substrate |
| title_full_unstemmed | Room Temperature Nanographene Production via CO<sub>2</sub> Electrochemical Reduction on the Electrodeposited Bi on Sn Substrate |
| title_short | Room Temperature Nanographene Production via CO<sub>2</sub> Electrochemical Reduction on the Electrodeposited Bi on Sn Substrate |
| title_sort | room temperature nanographene production via co sub 2 sub electrochemical reduction on the electrodeposited bi on sn substrate |
| topic | electrochemical reduction of CO<sub>2</sub> Bi/Sn electrode graphene |
| url | https://www.mdpi.com/2079-4991/12/19/3389 |
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