Photocatalytic H2 production over S-scheme Co3Se4/TiO2 nanosheet with super-hydrophilic surface
被引:38
作者:
Huang, Wenqian
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Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R China
Huang, Wenqian
[1
]
Xue, Wenhua
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Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R China
Xue, Wenhua
[1
]
Hu, Xiaoyun
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机构:
Northwest Univ, Sch Phys, Xian 710069, Shaanxi, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R China
Hu, Xiaoyun
[2
]
Fan, Jun
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Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R China
Fan, Jun
[1
]
Tang, Chunni
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Shaanxi Inst Technol, Dept Chem Engn, Xian 710300, Shaanxi, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R China
Tang, Chunni
[3
]
Liu, Enzhou
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Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R China
Liu, Enzhou
[1
]
机构:
[1] Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Shaanxi, Peoples R China
[2] Northwest Univ, Sch Phys, Xian 710069, Shaanxi, Peoples R China
[3] Shaanxi Inst Technol, Dept Chem Engn, Xian 710300, Shaanxi, Peoples R China
Photocatalytic H-2 evolution represents a sustainable technology to acquire green energy via a solar energy conversion process. The development of photocatalysts with simple preparation and superior activity is still highly desired. In this work, the H-2 evolution activities of cobalt selenide (Co3Se4) microspheres decorated TiO2 were investigated for the first time. The 25 wt% Co3Se4/TiO2 hybrid delivers an optimum H-2 production rate of 6065 mu mol.g(-1).h(-1) in 20 vol% TEOA under 300 W Xe lamp irradiation, which is 12.5 and 13.4 times that of pristine TiO2 (484 mu mol.g(- 1).h(-1)) and pure Co3Se4 (453 mu mol.g(- 1).h(-1)), respectively. The enhanced activity benefits from the S-scheme heterojunction formed between Co3Se4 and TiO2, which can obviously promote the separation of charge carriers and reduce the overpotential of H-2 generation. Besides, the surface composition of the sample after reaction was revealed through XRD, TEM, XPS and water contact angle measurements, the results show that the microstructure of the composite sample remains unchanged after reaction, and a thin oxide or hydroxide layer was in-situ formed on the surface of Co3Se4, leading to a super-hydrophilic surface of Co3Se4/TiO2 and endowing with long reaction stability. This work broadens the application of Co3Se4 in energy conversion and provides a promising option to replace traditional noble metal photocatalysts.
机构:
Hanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
Bose, Ranjith
;
Patil, Bebi
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Hanyang Univ, Inst Nano Sci & Technol, 222 Wangsimni Ro, Seoul 04763, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
Patil, Bebi
;
Jothi, Vasanth Rajendiran
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h-index: 0
机构:
Hanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
Jothi, Vasanth Rajendiran
;
Kim, Tae-Hyun
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机构:
Hanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
Kim, Tae-Hyun
;
Arunkumar, Paulraj
论文数: 0引用数: 0
h-index: 0
机构:
Chonnam Natl Univ, Sch Mat Sci & Engn, 300 Yongbong Dong, Gwangju 61186, South Korea
Chonnam Natl Univ, Optoelect Convergence Res Ctr, 300 Yongbong Dong, Gwangju 61186, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
Arunkumar, Paulraj
;
Ahn, Heejoon
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Inst Nano Sci & Technol, 222 Wangsimni Ro, Seoul 04763, South Korea
Hanyang Univ, Dept Organ Nano Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
机构:
Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R China
Feng, Keting
;
Tian, Jingzhuo
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h-index: 0
机构:
Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R China
Tian, Jingzhuo
;
Hu, Xiaoyun
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Sch Phys, Xian 710069, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R China
Hu, Xiaoyun
;
Fan, Jun
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R China
Fan, Jun
;
Liu, Enzhou
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h-index: 0
机构:
Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R China
机构:
Northwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R ChinaNorthwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R China
Feng, Keting
;
Xue, Wenhua
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R ChinaNorthwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R China
Xue, Wenhua
;
Hu, Xiaoyun
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Sch Phys, Xian 710069, Peoples R ChinaNorthwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R China
Hu, Xiaoyun
;
Fan, Jun
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R ChinaNorthwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R China
Fan, Jun
;
Liu, Enzhou
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R ChinaNorthwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R China
机构:
Hanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
Bose, Ranjith
;
Patil, Bebi
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Inst Nano Sci & Technol, 222 Wangsimni Ro, Seoul 04763, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
Patil, Bebi
;
Jothi, Vasanth Rajendiran
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
Jothi, Vasanth Rajendiran
;
Kim, Tae-Hyun
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
Kim, Tae-Hyun
;
Arunkumar, Paulraj
论文数: 0引用数: 0
h-index: 0
机构:
Chonnam Natl Univ, Sch Mat Sci & Engn, 300 Yongbong Dong, Gwangju 61186, South Korea
Chonnam Natl Univ, Optoelect Convergence Res Ctr, 300 Yongbong Dong, Gwangju 61186, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
Arunkumar, Paulraj
;
Ahn, Heejoon
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Inst Nano Sci & Technol, 222 Wangsimni Ro, Seoul 04763, South Korea
Hanyang Univ, Dept Organ Nano Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaHanyang Univ, Dept Chem Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
机构:
Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R China
Feng, Keting
;
Tian, Jingzhuo
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R China
Tian, Jingzhuo
;
Hu, Xiaoyun
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Sch Phys, Xian 710069, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R China
Hu, Xiaoyun
;
Fan, Jun
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R China
Fan, Jun
;
Liu, Enzhou
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R ChinaNorthwest Univ, Sch Chem Engn, Xian Key Lab Special Energy Mat, Xian 710069, Peoples R China
机构:
Northwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R ChinaNorthwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R China
Feng, Keting
;
Xue, Wenhua
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R ChinaNorthwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R China
Xue, Wenhua
;
Hu, Xiaoyun
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Sch Phys, Xian 710069, Peoples R ChinaNorthwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R China
Hu, Xiaoyun
;
Fan, Jun
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R ChinaNorthwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R China
Fan, Jun
;
Liu, Enzhou
论文数: 0引用数: 0
h-index: 0
机构:
Northwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R ChinaNorthwest Univ, Xian Key Lab Special Energy Mat, Sch Chem Engn, Xian 710069, Peoples R China