Electron-deficient Cu site catalyzed acetylene hydrochlorination
Rational design of catalytic sites to activate the C≡C bond is of paramount importance to advance acetylene hydrochlorination. Herein, Cu sites with electron-rich and electron-deficient states were constructed by controlling the impregnation solutions. The π electrons flowing from acetylene to Cu si...
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| Format: | Article |
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KeAi Communications Co., Ltd.
2023-08-01
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| Series: | Green Energy & Environment |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S246802572200005X |
| _version_ | 1797785487716384768 |
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| author | Bolin Wang Chunxiao Jin Shujuan Shao Yuxue Yue Yuteng Zhang Saisai Wang Renqin Chang Haifeng Zhang Jia Zhao Xiaonian Li |
| author_facet | Bolin Wang Chunxiao Jin Shujuan Shao Yuxue Yue Yuteng Zhang Saisai Wang Renqin Chang Haifeng Zhang Jia Zhao Xiaonian Li |
| author_sort | Bolin Wang |
| collection | DOAJ |
| description | Rational design of catalytic sites to activate the C≡C bond is of paramount importance to advance acetylene hydrochlorination. Herein, Cu sites with electron-rich and electron-deficient states were constructed by controlling the impregnation solutions. The π electrons flowing from acetylene to Cu site are facilitated over the electron-deficient Cu sites, achieving high activation of C≡C bond. The contradiction between the increased activation of acetylene required for enhanced catalytic activity and the resistance of Cu site to reduction by acetylene required for maintaining catalytic stability can be balanced by establishing strong interactions of Cu site with pyrrolic-N species. The catalytic activity displays a volcano shape scaling relationship as a function of Cu particle size. Tribasic copper chloride is concomitantly generated with the construction of electron-deficient Cu sites. The H–Cl bond of HCl can be activated over the tribasic copper chloride, accelerating the surface reaction of vinyl chloride production. This strategy of inducing electron deficiency provides new insight into the rational design of catalysts for the synthesis of vinyl chloride with a high catalytic performance. |
| first_indexed | 2024-03-13T00:54:47Z |
| format | Article |
| id | doaj.art-0bf2e385143646c5b7dcd9b68661c85b |
| institution | Directory Open Access Journal |
| issn | 2468-0257 |
| language | English |
| last_indexed | 2024-03-13T00:54:47Z |
| publishDate | 2023-08-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Green Energy & Environment |
| spelling | doaj.art-0bf2e385143646c5b7dcd9b68661c85b2023-07-07T04:27:39ZengKeAi Communications Co., Ltd.Green Energy & Environment2468-02572023-08-018411281140Electron-deficient Cu site catalyzed acetylene hydrochlorinationBolin Wang0Chunxiao Jin1Shujuan Shao2Yuxue Yue3Yuteng Zhang4Saisai Wang5Renqin Chang6Haifeng Zhang7Jia Zhao8Xiaonian Li9School of Chemical Engineering, Northeast Electric Power University, Jilin, 132012, China; Industrial Catalysis Institute of Zhejiang University of Technology, Hangzhou, 310014, ChinaIndustrial Catalysis Institute of Zhejiang University of Technology, Hangzhou, 310014, ChinaIndustrial Catalysis Institute of Zhejiang University of Technology, Hangzhou, 310014, ChinaIndustrial Catalysis Institute of Zhejiang University of Technology, Hangzhou, 310014, ChinaSchool of Chemical Engineering, Northeast Electric Power University, Jilin, 132012, ChinaIndustrial Catalysis Institute of Zhejiang University of Technology, Hangzhou, 310014, ChinaResearch Center of Analysis Measurement, Zhejiang University of Technology, Hangzhou, 310014, ChinaSchool of Chemical Engineering, Northeast Electric Power University, Jilin, 132012, China; Corresponding authors.Industrial Catalysis Institute of Zhejiang University of Technology, Hangzhou, 310014, China; Corresponding authors.Industrial Catalysis Institute of Zhejiang University of Technology, Hangzhou, 310014, China; Corresponding authors.Rational design of catalytic sites to activate the C≡C bond is of paramount importance to advance acetylene hydrochlorination. Herein, Cu sites with electron-rich and electron-deficient states were constructed by controlling the impregnation solutions. The π electrons flowing from acetylene to Cu site are facilitated over the electron-deficient Cu sites, achieving high activation of C≡C bond. The contradiction between the increased activation of acetylene required for enhanced catalytic activity and the resistance of Cu site to reduction by acetylene required for maintaining catalytic stability can be balanced by establishing strong interactions of Cu site with pyrrolic-N species. The catalytic activity displays a volcano shape scaling relationship as a function of Cu particle size. Tribasic copper chloride is concomitantly generated with the construction of electron-deficient Cu sites. The H–Cl bond of HCl can be activated over the tribasic copper chloride, accelerating the surface reaction of vinyl chloride production. This strategy of inducing electron deficiency provides new insight into the rational design of catalysts for the synthesis of vinyl chloride with a high catalytic performance.http://www.sciencedirect.com/science/article/pii/S246802572200005XC≡C bondAcetylene hydrochlorinationCu sitesTribasic copper chlorideElectron-deficient |
| spellingShingle | Bolin Wang Chunxiao Jin Shujuan Shao Yuxue Yue Yuteng Zhang Saisai Wang Renqin Chang Haifeng Zhang Jia Zhao Xiaonian Li Electron-deficient Cu site catalyzed acetylene hydrochlorination Green Energy & Environment C≡C bond Acetylene hydrochlorination Cu sites Tribasic copper chloride Electron-deficient |
| title | Electron-deficient Cu site catalyzed acetylene hydrochlorination |
| title_full | Electron-deficient Cu site catalyzed acetylene hydrochlorination |
| title_fullStr | Electron-deficient Cu site catalyzed acetylene hydrochlorination |
| title_full_unstemmed | Electron-deficient Cu site catalyzed acetylene hydrochlorination |
| title_short | Electron-deficient Cu site catalyzed acetylene hydrochlorination |
| title_sort | electron deficient cu site catalyzed acetylene hydrochlorination |
| topic | C≡C bond Acetylene hydrochlorination Cu sites Tribasic copper chloride Electron-deficient |
| url | http://www.sciencedirect.com/science/article/pii/S246802572200005X |
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