Mechanism for One-Pot Synthesis of 0D-2D Carbon Materials in the Bubbles Inside Molten Salts
2022-10-17
发表期刊ADVANCED FUNCTIONAL MATERIALS (IF:18.5[JCR-2023],19.6[5-Year])
ISSN1616-301X
EISSN1616-3028
发表状态已发表
DOI10.1002/adfm.202202381
摘要

The molten salts can be used as media for hydrocarbon pyrolysis owing to their excellent thermal properties, fluidity, and ease of products separation. The bubbling of hydrocarbon gases through the molten salts is an effective approach for exploiting the comprehensive advantages of the molten salts. However, the catalytic capability of the molten salts to crack C-H bonds is lower than that of molten metals/alloys. Although the addition of transition metal salts into molten salts improves the catalytic performance, the catalytic mechanism is far from well understood. Herein, bubbling chemical vapor deposition (B-CVD) for one-pot synthesis of 0D (carbon black, CB)/2D (graphene, Gr) carbon materials in molten salt at 850 degrees C is developed. Spectroscopic results suggest that the ionic complexes of the transition metal (Cr, Fe, Ru, Ni, Pd, Cu) chloride are the active species to realize the efficient pyrolysis of methane (CH4). The confined space introduced by the bubble acts as a mini-reactor to define the product morphology and accelerate the growth. Beneficial to the synergistic effect between ionic complex promotion and bubble confined space, the mass production of CB/Gr simultaneously with high efficiency and low cost at relatively low temperature is achieved.

关键词bubbling-CVD carbon black graphene molten salt one-pot synthesis
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收录类别SCI ; SCIE ; EI
语种英语
资助项目Shanghai Sailing Program[20YF1456400]
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000843762700001
出版者WILEY-V C H VERLAG GMBH
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文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/223039
专题物质科学与技术学院_博士生
物质科学与技术学院_PI研究组_杨波组
物质科学与技术学院_特聘教授组_谢晓明组
共同第一作者Shi, Zhiyuan
通讯作者Yu, Qingkai
作者单位
1.Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China
2.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
4.Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 100049, Peoples R China
第一作者单位物质科学与技术学院
推荐引用方式
GB/T 7714
Zhao, Yifeng,Shi, Zhiyuan,Zhu, Yulin,et al. Mechanism for One-Pot Synthesis of 0D-2D Carbon Materials in the Bubbles Inside Molten Salts[J]. ADVANCED FUNCTIONAL MATERIALS,2022.
APA Zhao, Yifeng.,Shi, Zhiyuan.,Zhu, Yulin.,Liu, Jian.,Yang, Bo.,...&Xie, Xiaoming.(2022).Mechanism for One-Pot Synthesis of 0D-2D Carbon Materials in the Bubbles Inside Molten Salts.ADVANCED FUNCTIONAL MATERIALS.
MLA Zhao, Yifeng,et al."Mechanism for One-Pot Synthesis of 0D-2D Carbon Materials in the Bubbles Inside Molten Salts".ADVANCED FUNCTIONAL MATERIALS (2022).
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