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铂负载介孔碳球：具有可控结构，催化活性和稳定性增强

Pt incorporated mesoporous carbon spheres: controllable structure with enhanced catalytic activity and stability.

作者信息

Liu Hongyan, Liu Yaling, Da Huimei, Yuan Ruo

机构信息

Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University Chongqing 400715 P. R. China

出版信息

RSC Adv. 2018 Apr 16;8(25):13964-13969. doi: 10.1039/c8ra01453a. eCollection 2018 Apr 11.

DOI:10.1039/c8ra01453a
PMID:35539359
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9079855/
Abstract

We report a simple synthesis process to prepare well-dispersed Pt nanoparticles incorporated in mesoporous carbon spheres. By manipulating the relative ratio of Pt precursor and resorcinol-formaldehyde resin (RF), Pt/carbon composites with different morphologies and Pt content were achieved. The as-prepared Pt/C composite materials show higher catalytic activity and reusability for the reduction of 4-nitrophenol (4-NP) than the Pt deposited commercial activated carbon (Pt/AC), which can be ascribed to the high dispersion of Pt nanoparticles in the carbon spheres.

摘要

我们报道了一种简单的合成方法，用于制备负载在介孔碳球中的分散良好的铂纳米颗粒。通过控制铂前驱体与间苯二酚 - 甲醛树脂（RF）的相对比例，制备出了具有不同形态和铂含量的铂/碳复合材料。所制备的铂/碳复合材料对4-硝基苯酚（4-NP）还原反应表现出比负载在商业活性炭上的铂（Pt/AC）更高的催化活性和可重复使用性，这归因于铂纳米颗粒在碳球中的高度分散。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/6225caf3ff20/c8ra01453a-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/1e6e3318bace/c8ra01453a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/f3fb688bdbc7/c8ra01453a-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/e23c3cbb0494/c8ra01453a-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/178c2ddae15d/c8ra01453a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/c5a4d1c145b7/c8ra01453a-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/6225caf3ff20/c8ra01453a-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/1e6e3318bace/c8ra01453a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/f3fb688bdbc7/c8ra01453a-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/e23c3cbb0494/c8ra01453a-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/178c2ddae15d/c8ra01453a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/c5a4d1c145b7/c8ra01453a-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/89fe/9079855/6225caf3ff20/c8ra01453a-f6.jpg

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