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Tailoring the structure and energy level over transition-metal doped MoS2 towards enhancing 4-nitrophenol reduction reaction
Ni, Shan1,2; Yang, Liangrong1,2; Qu, Hongnan1; Zhu, Xiangyang1,2; Xu, Zihao1,2; Yuan, Menglei1,2; Xing, Huifang1,2; Wang, Li1; Yu, Jiemiao1; Liu, Huizhou1,2
2021-04-01
Source PublicationJOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
Volume9Issue:2Pages:9
AbstractExploring high-efficiency, robust and cost-effective catalysts for the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) is greatly desirable. Herein, a series of transition-metal doped MoS2 (M-MoS2, M = Mn, Fe, Co, Ni, Cu, Zn) with expanded interlayer spacing are fabricated by one-step solvothermal strategy. Notably, nickel doped molybdenum disulfide (Ni-MoS2) is found to exhibit prominent catalytic activity with an apparent rate constant (K) of 1.09 min(-1) and excellent stability over six continuous runs of recycling experiments. The results demonstrate that the expanded interlayer spacing (0.94 nm) can increase the active sites of reactant absorption, and Ni dopants can lower the energy level (d-band center) to facilitate the desorption of H. Thus, the catalytic activity of Ni-MoS2 is enhanced by synergistically structural and energy level modulation. This study offers an effective strategy to design transition metal sulfides with higher catalytic reactivity for the environment-related catalysis processes.
KeywordReduction 4-Nitrophenol Transition-metal doped MoS2 Expanded interlayer spacing Energy level
DOI10.1016/j.jece.2021.105101
Language英语
Funding ProjectNational Natural Science Foundation of China[21922814] ; National Natural Science Foundation of China[21676273] ; National Natural Science Foundation of China[21961160745] ; National Natural Science Foundation of China[31961133019] ; National Natural Science Foundation of China[21921005] ; Beijing Natural Science Foundation[2194086]
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; Beijing Natural Science Foundation
WOS IDWOS:000624475100003
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/47904
Collection中国科学院过程工程研究所
Corresponding AuthorYang, Liangrong; Liu, Huizhou
Affiliation1.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, State Key Lab of Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Ni, Shan,Yang, Liangrong,Qu, Hongnan,et al. Tailoring the structure and energy level over transition-metal doped MoS2 towards enhancing 4-nitrophenol reduction reaction[J]. JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING,2021,9(2):9.
APA Ni, Shan.,Yang, Liangrong.,Qu, Hongnan.,Zhu, Xiangyang.,Xu, Zihao.,...&Liu, Huizhou.(2021).Tailoring the structure and energy level over transition-metal doped MoS2 towards enhancing 4-nitrophenol reduction reaction.JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING,9(2),9.
MLA Ni, Shan,et al."Tailoring the structure and energy level over transition-metal doped MoS2 towards enhancing 4-nitrophenol reduction reaction".JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 9.2(2021):9.
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