淬火法处理<i>β</i>-MnO<sub>2</sub>纳米棒及其选择性催化氧化肉桂醇性能

罗佳锦; 邓卓立; 刘文秀; 凌伟钊; 李骏宁; 黄俊诗; 周小为; 郭雅琨; 谢维; 叶飞; 程高

doi:10.12052/gdutxb.250091

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淬火法处理β-MnO₂纳米棒及其选择性催化氧化肉桂醇性能

材料科学与工程 | 更新时间：2026-08-04

- 淬火法处理β-MnO₂纳米棒及其选择性催化氧化肉桂醇性能
- Quenching-treated β-MnO₂ Nanorods: Enhanced Catalytic Performance in Selective Oxidation of Cinnamyl Alcohol
- 广东工业大学学报 2026年43卷第4期页码：22-29
- 作者机构：
  
  1. 广东工业大学轻工化工学院,广东,广州,510006
  2. 广州白云科技股份有限公司,广东,广州,510540
- 作者简介：
  
  罗佳锦(1999–)，男，硕士研究生，主要研究方向为锰基催化剂的构筑及其应用，E-mail：1044335321@qq.com
  程高(1988–)，男，讲师，博士，主要研究方向为催化新材料的构筑及其应用，E-mail：chengg36@gdut.edu.cn
- 基金信息：
  
  广州市科技计划项目(202201010373)
- DOI：10.12052/gdutxb.250091
  中图分类号： O625.3
- 纸质出版：2026
- 稿件说明：
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罗佳锦, 邓卓立, 刘文秀, 等. 淬火法处理β-MnO₂纳米棒及其选择性催化氧化肉桂醇性能[J]. 广东工业大学学报, 2026, 43(4): 22-29. DOI: 10.12052/gdutxb.250091.
罗佳锦, 邓卓立, 刘文秀, 等. 淬火法处理β-MnO₂纳米棒及其选择性催化氧化肉桂醇性能[J]. 广东工业大学学报, 2026, 43(4): 22-29. DOI: 10.12052/gdutxb.250091. DOI：

DOI： 10.12052/gdutxb.250091

摘要

本文以

-MnO

纳米棒为前驱体，通过采用简单的淬火方法，成功获得了富含表面氧空位的

-MnO

纳米棒，并将其应用在选择性氧化肉桂醇合成肉桂醛反应中。通过改变煅烧温度，研究了淬火后

-MnO

纳米棒的表面结构对其催化活性的影响。结果表明，淬火处理得到的

-MnO

纳米棒的催化活性明显优于

-MnO

纳米棒前驱体和煅烧后自然冷却的

-MnO

纳米棒，其中，350 ℃煅烧并快速冷却的

-MnO

纳米棒具有最好的催化活性，其肉桂醇转化率和肉桂醛选择性分别为53.1%和95.2%，高于多种商用非贵金属氧化物。结合多种表征结果可知，淬火技术有助于提升

-MnO

纳米棒的表面晶格氧活性及其氧化能力，从而有效提高其催化氧化性能。本文研究表明淬火技术对提高MnO

表面氧空位浓度和催化性能具有积极作用，这为设计高效的非贵金属氧化物催化剂提供了一种有效策略。

Abstract

In this research

-MnO

nanorods enriched with surface oxygen vacancies were successfully fabricated through a facile quenching strategy using pristine

-MnO

nanorods as the precursor. The quenched samples were applied as the catalysts for the selective oxidation of cinnamyl alcohol

to cinnamaldehyde. By varying the calcination temperature

the influence of surface structure of quenched

-MnO

nanorods on their catalytic performance was investigated.The results showed that the catalytic activities of quenched

-MnO

nanorods were significantly better than those of the precursor and naturally cooled

-MnO

nanorods after calcination. Notably

the

-MnO

nanorods calcined at 350 ℃ followed by rapid cooling achieved the highest catalytic performance

with a cinnamyl alcohol conversion of 53.1% and a cinnamaldehyde selectivity of 95.2%

outperforming several commercial non-noble metal oxides. Various physicochemical characterizations demonstrated that the quenching technique could enhance the surface lattice oxygen activity and oxidation ability of

-MnO

nanorods

thereby effectively boosting their catalytic oxidation performance. This work demonstrates that quenching technique has a positive effect on increasing the surface oxygen vacancy concentration and catalytic performance of MnO

which offers an effective strategy for designing the high-efficiency non-noble metal oxide catalysts.

关键词

Keywords

references

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淬火法处理β-MnO2纳米棒及其选择性催化氧化肉桂醇性能

Quenching-treated β-MnO2 Nanorods: Enhanced Catalytic Performance in Selective Oxidation of Cinnamyl Alcohol

DOI：10.12052/gdutxb.250091

摘要

Abstract

关键词

Keywords

references

淬火法处理β-MnO₂纳米棒及其选择性催化氧化肉桂醇性能

Quenching-treated β-MnO₂ Nanorods: Enhanced Catalytic Performance in Selective Oxidation of Cinnamyl Alcohol