煤基石墨烯宏观体的制备及其在CO<sub>2</sub>光催化还原过程中的应用

张亚婷; 李可可; 刘国阳; 周安宁; 王露; 邱介山

煤基石墨烯宏观体的制备及其在CO₂光催化还原过程中的应用

1.
西安科技大学化学与化工学院, 陕西西安 710054;
2.
大连理工大学能源材料化工辽宁省重点实验室暨精细化工国家重点实验室, 辽宁大连 116024

基金项目: 国家自然科学基金(21276207,U1203292).

详细信息

作者简介:
张亚婷,副教授.E-mail:isyating@163.com

通讯作者:
周安宁,教授.E-mail:13609282106@139.com;邱介山,教授.E-mail:jqiu@dlut.edu.cn

中图分类号: TQ517.3
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- 被引次数: 0
出版历程
- 收稿日期: 2015-10-26
- 录用日期: 2016-01-05
- 修回日期: 2015-12-02
- 刊出日期: 2015-12-28

Synthesis and photocatalytic CO₂ reduction activity of a coal-based graphene assembly

1.
College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, China;
2.
Carbon Research Laboratory, State Key Lab of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China

Funds: National Natural Science Foundation of China (21276207, U1203292).

摘要

摘要: 石墨烯是一种新型二维碳质材料,以石墨烯为基本结构单元构筑宏观石墨烯材料是石墨烯走向实际应用的重要途径。以煤基石墨为原料,综合采用Hummers法、化学还原及冷冻干燥过程制备出煤基石墨烯宏观体。利用扫描电子显微镜(SEM)、透射电子显微镜(TEM)、傅里叶红外光谱(FT-IR)、拉曼光谱等对样品形貌结构进行了分析表征。此外,以煤基石墨烯宏观体为光催化剂填料搭建固定床反应器,应用于CO₂光催化还原过程。结果表明,煤基石墨烯宏观体对CO₂光催化还原反应具有较高的催化活性,目标产物甲醇的产率最高可达65.91 μmol/g·cat。
- 煤 /
- 石墨烯宏观体 /
- 光催化 /
- 二氧化碳
Abstract: A 3D graphene assembly was prepared by chemical reduction using coal-based graphene oxide as the raw material. The morphologies and structures of the samples were analyzed by SEM, TEM, FT-IR and Raman spectroscopy. Results show that the 3D graphene has a high catalytic activity for photocatalytic CO₂ reduction in a fixed bed reactor and the yield of the target product, methanol, is up to 65.91 mol/g of catalyst.
- Coal /
- 3D graphene /
- Photocatalysis /
- Carbon dioxide

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