Solvothermal synthesis of size-tunable ZnFe2O4 colloidal nanocrystal assemblies and their electrocatalytic activity towards hydrogen peroxide
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作者:
Liu, Ruirui
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Qingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R ChinaQingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R China
Liu, Ruirui
[1
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Lv, Meng
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Qingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R ChinaQingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R China
Lv, Meng
[1
]
Wang, Qianbin
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Qingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R ChinaQingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R China
Wang, Qianbin
[1
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Li, Hongliang
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Qingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R ChinaQingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R China
Li, Hongliang
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Guo, Peizhi
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Qingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R ChinaQingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R China
Guo, Peizhi
[1
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Zhao, X. S.
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Qingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R ChinaQingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R China
Zhao, X. S.
[1
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[1] Qingdao Univ, Sch Mat Sci & Engn, Inst Mat Energy & Environm, State Key Lab Breeding Based New Fiber Mat & Mode, Qingdao 266071, PR, Peoples R China
Three ZnFe2O4 colloidal nanocrystal assemblies (CNAs), namely CNA1, CNA2 and CNA3, have been synthesized solvothermally with the size of 560 nm, 460 nm and 330 nm and are formed by the self-assembly of primary nanocrystals with the crystallite sizes of 19.2 nm, 15.5 nm and 21.8 nm, respectively. It was found that CNA2 performed superparamagnetic behavior with a saturation magnetization value of 36.9 emu g(-1) while either CNA1 or CNA3 exhibited weak ferromagnetic with a small hysteresis loop and large saturation magnetization. Electrochemical sensing measurements toward the reduction of hydrogen peroxide showed that the peak currents of the CNAs in cyclic voltammograms showed a linear relationship with the concentration of hydrogen peroxide in the experimental conditions and the peak potentials were increased with the order of CNA3, CNA2 and CNA1. The formation mechanism of ZnFe2O4 CNAs had been discussed based on the experimental data. The magnetism and electrocatalysis of the ZnFe2O4 CNAs were supposed to be dependent on the size of primary nanoparticles and the structure of the CNAs.
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Kuang, Meng
Zhang, Jinjun
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Zhang, Jinjun
Wang, Wenjun
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Wang, Wenjun
Chen, Jihao
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Chen, Jihao
Liu, Ruirui
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Liu, Ruirui
Xie, Shuai
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Xie, Shuai
Wang, Jing
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Wang, Jing
Ji, Zhijiang
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
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Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R ChinaDalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
Hou, Yang
Li, Xin-Yong
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Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
Hong Kong Univ Sci & Technol, Dept Chem & Biomol Engn, Kowloon, Hong Kong, Peoples R ChinaDalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
Li, Xin-Yong
Zhao, Qi-Dong
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Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R ChinaDalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
Zhao, Qi-Dong
Quan, Xie
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Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R ChinaDalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
Quan, Xie
Chen, Guo-Hua
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Hong Kong Univ Sci & Technol, Dept Chem & Biomol Engn, Kowloon, Hong Kong, Peoples R ChinaDalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Kuang, Meng
Zhang, Jinjun
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Zhang, Jinjun
Wang, Wenjun
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Wang, Wenjun
Chen, Jihao
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Chen, Jihao
Liu, Ruirui
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Liu, Ruirui
Xie, Shuai
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Xie, Shuai
Wang, Jing
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
Wang, Jing
Ji, Zhijiang
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaChina Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China
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Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R ChinaDalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
Hou, Yang
Li, Xin-Yong
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Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
Hong Kong Univ Sci & Technol, Dept Chem & Biomol Engn, Kowloon, Hong Kong, Peoples R ChinaDalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
Li, Xin-Yong
Zhao, Qi-Dong
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Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R ChinaDalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
Zhao, Qi-Dong
Quan, Xie
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Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R ChinaDalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
Quan, Xie
Chen, Guo-Hua
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Hong Kong Univ Sci & Technol, Dept Chem & Biomol Engn, Kowloon, Hong Kong, Peoples R ChinaDalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China