α-Fe2O3/Nb2O5/C Nanorods for Selective Photoelectrocatalytic Oxidation of 5-Hydroxymethylfurfural under Solar Light

被引：2

作者：

Yuan, Hongmei ^{[1
]}

Zhou, Pengchen ^{[1
]}

Gao, Xing ^{[1
]}

Xing, Miaomiao ^{[1
]}

Lv, Shuhua ^{[1
]}

Zhang, Deliang ^{[1
]}

Mou, Hongyu ^{[1
]}

Pak, Yen Leng ^{[1
]}

Song, Jibin ^{[2
]}

机构：

[1] Qilu Inst Technol, Coll Biol & Chem Engn, Jinan 250200, Peoples R China

[2] Beijing Univ Chem Technol, Coll Chem, State Key Lab Chem Resource Engn, Beijing 10010, Peoples R China

来源：

ACS APPLIED NANO MATERIALS | 2024年 / 7卷 / 09期

基金：

中国国家自然科学基金;

关键词：

superlattice; alpha-Fe2O3/Nb2O5/C nanorod; heterojunctions; selective oxidation; biomass conversion;

D O I：

10.1021/acsanm.4c00798

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The epitaxial organization of nano-objects with different compositions and structures into superlattice nanorods holds great promise for photocatalytic biomass oxidation as it can make full use of sunlight and improve carrier transport efficiency. Here, we construct type II photocatalytic heterojunctions using alpha-Fe2O3 and Nb2O5, both of which are alternately grown in situ to form superlattice nanorod structures. Due to the interlaced growth of thin layers of alpha-Fe2O3 and Nb2O5, the phase interface between alpha-Fe2O3 and Nb2O5 is greatly increased, which effectively improves the catalytic activity of the catalyst. The selective oxidation of HMF was achieved by superlattice alpha-Fe2O3/Nb2O5/C nanorod photoelectrocatalysts with 96.6% FDCA selectivity, which was 2.3 times higher than that of alpha-Fe2O3 and 3.5 times higher than that of Nb2O5, respectively, and the conversion of HMF was close to 100%. This work provides a new idea for the design of catalysts with superlattice structure and used for biomass conversion.

引用

页码：10387 / 10395

页数：9

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