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Nitrogen-doped Carbon Dots as Efficient Photocatalysts for High Selectivity of Dehalogenative Oxyalkylation of Styrene.
Niu, Kai-Kai; Zhang, Rong-Zhen; Yang, Xuan-Zong; Ma, Chao-Qun; Liu, Hui; Yu, Shengsheng; Xing, Ling-Bao.
Affiliation
  • Niu KK; School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China.
  • Zhang RZ; School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China.
  • Yang XZ; School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China.
  • Ma CQ; School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China.
  • Liu H; School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China.
  • Yu S; School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China.
  • Xing LB; School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China.
ChemSusChem ; 17(8): e202301686, 2024 Apr 22.
Article in En | MEDLINE | ID: mdl-38135666
ABSTRACT
Carbon dots (CDs) are a type of carbon-based luminescent material with a zero-dimensional structure and a size of less than 10 nm, which are composed of sp2/sp3 hybrid carbon nuclei and surface functional groups. Because CDs has strong photoluminescence and good light absorption in the ultraviolet and near visible regions, it is an excellent candidate for photocatalytic applications. However, the use of nonmetallic doped CDs as photosensitizers for direct photocatalytic organic reactions has been limited to several scattered reports. Herein, we present nitrogen-doped carbon dots (N-CDs) that has a capability for not only produce reactive oxygen species (ROS), including superoxide anion radical (O2⋅-) and singlet oxygen (1O2), but also provide an unprecedented high activity of dehalogenative oxyalkylation of styrene with a yield of 93 %. This work develops a novel opportunity to utilize cost-effective and easily accessible CDs for the advancement of photocatalysis.
Key words

Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: ChemSusChem Journal subject: QUIMICA / TOXICOLOGIA Year: 2024 Document type: Article Publication country: ALEMANHA / ALEMANIA / DE / DEUSTCHLAND / GERMANY

Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: ChemSusChem Journal subject: QUIMICA / TOXICOLOGIA Year: 2024 Document type: Article Publication country: ALEMANHA / ALEMANIA / DE / DEUSTCHLAND / GERMANY