N-functionalized mesoporous carbon supported Pd nanoparticles as highly active nanocatalyst for Suzuki-Miyaura reaction, reduction of 4-nitrophenol and hydrodechlorination of chlorobenzene

纳米材料基催化剂 氯苯 催化作用 碘苯 介孔材料 乙苯 4-硝基苯酚 选择性催化还原 化学 铃木反应 纳米颗粒 组合化学 化学工程 无机化学 材料科学 有机化学 纳米技术 工程类
作者
Juti Rani Deka,Diganta Saikia,Po-Hung Chen,Ke‐Ting Chen,Hsien‐Ming Kao,Yaxiong Yang
出处
期刊:Journal of Industrial and Engineering Chemistry [Elsevier]
卷期号:104: 529-543 被引量:7
标识
DOI:10.1016/j.jiec.2021.09.005
摘要

A series of nanocatalysts derived from immobilization of palladium nanoparticles (Pd NPs) into three dimensional (3D) tube-type architecture of nitrogen (N) functionalized and without functionalized mesoporous carbon CMK-9 is developed by dual agents chemical reduction approach. Herein, for the first time N-functionalized CMK-9 is explored as supports to immobilize Pd NPs and use as multifunctional catalysts for Suzuki-Miyaura cross-coupling reaction, reduction of 4-nitrophenol and hydrodechlorination of chlorobenzene. The [email protected] catalysts show excellent activities with 100% conversion for Suzuki-Miyaura reaction between iodobenzene and phenylboronic acid and turnover frequency up to 1992 h−1. When use as catalyst for reduction of 4-nitrophenol to 4-aminophenol, it delivers an outstanding rate constant of 4.22 × 10-2 s−1 with activity parameter of 51719 s-1g−1 with respect to only Pd content. The nanocatalysts also demonstrate 100% conversion of chlorobenzene to benzene within 1 h. In addition, the catalyst exhibits remarkable catalytic stability for several cycles without any significant loss of products. The excellent catalytic activities can be attributed to synergistic effect of uniformly dispersed Pd NPs, favorable interaction between metal and support, and tubular interconnected mesoporous framework of N-functionalized CMK-9 that accelerate mass transportation. The present work signifies the versatility of [email protected] nanocatalysts for various catalytic reactions.
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