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The synthesis of highly active carbon dot-coated gold nanoparticles via the room-temperature in situ carbonization of organic ligands for 4-nitrophenol reduction†
Yue Zhu,Juan Du,Qianqian Peng,Fengyi Wang,Jing Hu,Yongsong Luo,Abdulmohsen Ali Alshehri,Khalid Ahmed Alzahrani,Baozhan Zheng,Xuping Sun,Dan Xiao
RSC Advances Pub Date : 05/21/2020 00:00:00 , DOI:10.1039/D0RA02048F
Abstract

Due to the serious pollution issue caused by 4-nitrophenol (4-NP), it is of great importance to design effective catalysts for its reduction. Here, a novel and simple strategy was developed for the synthesis of carbon dot-decorated gold nanoparticles (AuNPs/CDs) via the in situ carbonization of organic ligands on AuNPs at room temperature. The enhanced adsorption of 4-NP on CDs via π–π stacking interactions provided a high concentration of 4-NP near AuNPs, leading to a more effective reduction of 4-NP.

Graphical abstract: The synthesis of highly active carbon dot-coated gold nanoparticles via the room-temperature in situ carbonization of organic ligands for 4-nitrophenol reduction
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