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Palladium nanoparticles on gallium nitride as a Mott-Schottky catalyst for efficient and durable photoactivation of unactivated alkanes.
Tan, Lida; Kong, Xianghua; Liu, Mingxin; Su, Hui; Guo, Hong; Li, Chao-Jun.
Afiliação
  • Tan L; Department of Chemistry, FQRNT Centre for Green Chemistry and Catalysis, McGill University 801 Sherbrooke Street West Montreal QC H3A 0B8 Canada cj.li@mcgill.ca.
  • Kong X; College of Physics and Optoelectronic Engineering, Shenzhen University 3688 Nanhai Avenue Nanshan District Shenzhen 518061 Guangdong China.
  • Liu M; Department of Physics, McGill University Rutherford Building 3600 University Montreal QC H3A 2T8 Canada.
  • Su H; Department of Chemistry, FQRNT Centre for Green Chemistry and Catalysis, McGill University 801 Sherbrooke Street West Montreal QC H3A 0B8 Canada cj.li@mcgill.ca.
  • Guo H; State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University 222 Tianshui South Road Chengguan District Lanzhou 730000 Gansu China.
  • Li CJ; Department of Chemistry, FQRNT Centre for Green Chemistry and Catalysis, McGill University 801 Sherbrooke Street West Montreal QC H3A 0B8 Canada cj.li@mcgill.ca.
Chem Sci ; 14(42): 11761-11767, 2023 Nov 01.
Article em En | MEDLINE | ID: mdl-37920336
The direct functionalization of inert C-H bonds has long been a "holy grail" for the chemistry world. In this report, the direct C(sp3)-N bond formation of unactivated alkanes is reported with a GaN based Mott-Schottky catalyst under photocatalytic reaction conditions. Long term stability and reaction efficiency (up to 92%) were achieved with this photocatalyst. The deposition of a Pd co-catalyst on the surface of GaN significantly enhanced the reaction efficiency. Microscopic investigation suggested a remarkable interaction in the Pd/GaN Schottky junction, giving a significant Pd/GaN depletion layer. In addition, density functional theory (DFT) calculations were performed to show the distinct performance of Pd nanoparticles at the atomic level.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2023 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2023 Tipo de documento: Article