Preparation of hollow nanospheres g-C3N4 loaded by Keggin type Cu mono-substituted heteropoly acid with enhanced visible-light harvesting and electron transfer properties for high-efficiency photocatalysis
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作者:
Cai, Tianfeng
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Liaoning Shihua Univ, Div Chem Chem Engn & Environm, Fushun, Peoples R ChinaLiaoning Shihua Univ, Div Chem Chem Engn & Environm, Fushun, Peoples R China
Cai, Tianfeng
[1
]
Tian, Yueru
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CNOOC EnerTech Drilling&Prod Co, Unconvent Res Inst, Tianjin, Peoples R ChinaLiaoning Shihua Univ, Div Chem Chem Engn & Environm, Fushun, Peoples R China
Tian, Yueru
[2
]
Zhang, Jie
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Liaoning Shihua Univ, Div Chem Chem Engn & Environm, Fushun, Peoples R ChinaLiaoning Shihua Univ, Div Chem Chem Engn & Environm, Fushun, Peoples R China
Zhang, Jie
[1
]
机构:
[1] Liaoning Shihua Univ, Div Chem Chem Engn & Environm, Fushun, Peoples R China
[2] CNOOC EnerTech Drilling&Prod Co, Unconvent Res Inst, Tianjin, Peoples R China
A series of heterojunction catalysts (CuCN-X) were successfully fabricated by loading the different amounts of Keggin type Cu mono-substituted heteropoly acid (HPW11Cu) on the surface of hollow nanospheres g-C3N4 (HSCN). The HSCNs were prepared by using SiO2 as a hard template. The chemical structure, porosity, morphology and electronic property of the prepared catalysts were investigated using XRD, SEM, N-2-absorption isotherm and XPS. The results indicated that the modified HSCN show prominent absorption in the visible light range and decrease the band gap. The greatly enhanced photocatalytic activity of obtained CuCN-X have been shown by the degradation of Rhodamine B (RhB), reduction of CO2 and production of photocatalytic hydrogen under visible light irradiation. More significantly, CuCN-15 has shown significantly improved photocatalytic performance at 4.5, 3.5 and 3.3 times higher that of than HSCN for the degradation of RhB, reduction of CO2 and production of photocatalytic hydrogen, respectively. Furthermore, the mechanism for the enhanced photocatalytic activity of CuCN-X is proposed to be due to the formation of heterojunction. The electrons can be rapidly transferred from HSCN to HPW11Cu, in which facilitate charge separation and charge transfer.
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页码:399 / 408
页数:10
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Shuo Wang, 2014, Advanced Materials Research, V953-954, P995, DOI 10.4028/www.scientific.net/AMR.953-954.995
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Univ Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, MalaysiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
Sim, Lan Ching
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Tan, Wei Han
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Univ Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, MalaysiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
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Univ Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, MalaysiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
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Saravanan, Pichiah
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Indian Inst Technol ISM, Dept Environm Sci & Engn, Dhanbad 826004, Jharkhand, IndiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
Saravanan, Pichiah
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Surib, Nur Atiqah
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Univ Malaya, Fac Engn, Dept Environm Engn, Kuala Lumpur 50603, MalaysiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
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Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R ChinaWuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
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Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R ChinaWuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
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Jaroniec, Mietek
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Kent State Univ, Dept Chem & Biochem, Kent, OH 44242 USAWuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
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Anhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
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Yin, Li-Sha
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Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
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Cao, Shao-Wen
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Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
Cao, Shao-Wen
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Gu, Li-Na
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Anhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R ChinaAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
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Xu, Geng-Sheng
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Anhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R ChinaAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
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Du, Pingwu
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Univ Sci & Technol China, CAS Key Lab Mat Energy Convers, Dept Mat Sci & Engn, Hefei 230026, Peoples R ChinaAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
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Chai, Hua
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Nanyang Technol Univ, Sch Phys & Math Sci, Singapore 637371, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
Chai, Hua
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Liao, Yu-Sen
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Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
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Xue, Can
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Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
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Tokyo Inst Technol, Dept Chem, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528551, Japan
Japan Sci & Technol Agcy JST, CREST, Chuo Ku, Tokyo 1030027, JapanTokyo Inst Technol, Dept Chem, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528551, Japan
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Kan, Akira
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Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, JapanTokyo Inst Technol, Dept Chem, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528551, Japan
Kan, Akira
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Saitoh, Chieko
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Ibusuki, Takashi
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Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, JapanTokyo Inst Technol, Dept Chem, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528551, Japan
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Univ Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, MalaysiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
Sim, Lan Ching
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Tan, Wei Han
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Univ Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, MalaysiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
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Leong, Kah Hon
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Univ Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, MalaysiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
Leong, Kah Hon
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Bashir, Mohammed J. K.
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Univ Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, MalaysiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
Bashir, Mohammed J. K.
;
Saravanan, Pichiah
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Indian Inst Technol ISM, Dept Environm Sci & Engn, Dhanbad 826004, Jharkhand, IndiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
Saravanan, Pichiah
;
Surib, Nur Atiqah
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h-index: 0
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Univ Malaya, Fac Engn, Dept Environm Engn, Kuala Lumpur 50603, MalaysiaUniv Tunku Abdul Rahman, Fac Engn & Green Technol, Dept Environm Engn, Kampar 31900, Perak, Malaysia
机构:
Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R ChinaWuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
Xia, Pengfei
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Zhu, Bicheng
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Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R ChinaWuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
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Yu, Jiaguo
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Yu, Jiaguo
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Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R ChinaWuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
Cao, Shaowen
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Jaroniec, Mietek
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机构:
Kent State Univ, Dept Chem & Biochem, Kent, OH 44242 USAWuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
机构:
Anhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
Yuan, Yu-Peng
;
Yin, Li-Sha
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Cao, Shao-Wen
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Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
Cao, Shao-Wen
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Gu, Li-Na
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Anhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R ChinaAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
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Xu, Geng-Sheng
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Anhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R ChinaAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
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Du, Pingwu
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Univ Sci & Technol China, CAS Key Lab Mat Energy Convers, Dept Mat Sci & Engn, Hefei 230026, Peoples R ChinaAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
Du, Pingwu
;
Chai, Hua
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h-index: 0
机构:
Nanyang Technol Univ, Sch Phys & Math Sci, Singapore 637371, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
Chai, Hua
;
Liao, Yu-Sen
论文数: 0引用数: 0
h-index: 0
机构:
Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
Liao, Yu-Sen
;
Xue, Can
论文数: 0引用数: 0
h-index: 0
机构:
Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, SingaporeAnhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
机构:
Tokyo Inst Technol, Dept Chem, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528551, Japan
Japan Sci & Technol Agcy JST, CREST, Chuo Ku, Tokyo 1030027, JapanTokyo Inst Technol, Dept Chem, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528551, Japan
Yui, Tatsuto
;
Kan, Akira
论文数: 0引用数: 0
h-index: 0
机构:
Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, JapanTokyo Inst Technol, Dept Chem, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528551, Japan
Kan, Akira
;
Saitoh, Chieko
论文数: 0引用数: 0
h-index: 0
机构:
Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, JapanTokyo Inst Technol, Dept Chem, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528551, Japan
Saitoh, Chieko
;
Koike, Kazuhide
论文数: 0引用数: 0
h-index: 0
机构:
Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, JapanTokyo Inst Technol, Dept Chem, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528551, Japan
Koike, Kazuhide
;
Ibusuki, Takashi
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机构:
Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, JapanTokyo Inst Technol, Dept Chem, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528551, Japan