Materials with low crystal symmetry often exhibit anisotropic properties, allowing the tuning of their physical and chemical properties via crystallographic orientation and exposed facet control. Herein, for the first time, we have demonstrated that pristine BiVO4 with a preferred [001] growth orientation and exposed (001) facets exhibits excellent intrinsic charge transport properties and surface reactivity. Using preferentially [001]-oriented BiVO4 (p-BVO) as a photoanode for photoelectrochemical water splitting, an impressive photocurrent density at 1.23 V vs. the reversible hydrogen electrode (RHE) is achieved, which is approximately 16 times higher than that exhibited by a photoanode based on randomly oriented BiVO4. Importantly, when the surface of p-BVO is further roughened and decorated with an oxygen evolution electrocatalyst, photocurrent densities of approximate to 3.5 and approximate to 6.1 mA cm(-2) are achieved at 0.6 and 1.23 V-RHE, respectively; the latter value corresponds to approximate to 82% of the theoretically achievable photocurrent density for BiVO4 under 1 sun illumination. Our results demonstrate the effectiveness of crystal orientation and exposed facet control in optimizing materials for solar water-splitting applications.
机构:
Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R ChinaFuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
Ding, Kaining
;
Chen, Bin
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机构:
Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R ChinaFuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
Chen, Bin
;
Li, Yulu
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机构:
Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R ChinaFuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
Li, Yulu
;
Zhang, Yongfan
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机构:
Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
Chinese Acad Sci, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Fujian, Peoples R ChinaFuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
Zhang, Yongfan
;
Chen, Zhongfang
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h-index: 0
机构:
Univ Puerto Rico, Dept Chem, Inst Funct Nanomat, Rio Piedras, PR 00931 USAFuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
机构:
Technion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, SwitzerlandTechnion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
Dotan, Hen
;
Sivula, Kevin
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机构:
Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, SwitzerlandTechnion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
Sivula, Kevin
;
Graetzel, Michael
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机构:
Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, SwitzerlandTechnion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
Graetzel, Michael
;
Rothschild, Avner
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机构:
Technion Israel Inst Technol, Fac Mat Engn, Haifa, IsraelTechnion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
Rothschild, Avner
;
Warren, Scott C.
论文数: 0引用数: 0
h-index: 0
机构:
Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, SwitzerlandTechnion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
机构:
Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R ChinaFuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
Ding, Kaining
;
Chen, Bin
论文数: 0引用数: 0
h-index: 0
机构:
Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R ChinaFuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
Chen, Bin
;
Li, Yulu
论文数: 0引用数: 0
h-index: 0
机构:
Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R ChinaFuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
Li, Yulu
;
Zhang, Yongfan
论文数: 0引用数: 0
h-index: 0
机构:
Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
Chinese Acad Sci, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Fujian, Peoples R ChinaFuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
Zhang, Yongfan
;
Chen, Zhongfang
论文数: 0引用数: 0
h-index: 0
机构:
Univ Puerto Rico, Dept Chem, Inst Funct Nanomat, Rio Piedras, PR 00931 USAFuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Dept Chem, Fuzhou 350108, Fujian, Peoples R China
机构:
Technion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, SwitzerlandTechnion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
Dotan, Hen
;
Sivula, Kevin
论文数: 0引用数: 0
h-index: 0
机构:
Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, SwitzerlandTechnion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
Sivula, Kevin
;
Graetzel, Michael
论文数: 0引用数: 0
h-index: 0
机构:
Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, SwitzerlandTechnion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
Graetzel, Michael
;
Rothschild, Avner
论文数: 0引用数: 0
h-index: 0
机构:
Technion Israel Inst Technol, Fac Mat Engn, Haifa, IsraelTechnion Israel Inst Technol, Fac Mat Engn, Haifa, Israel
Rothschild, Avner
;
Warren, Scott C.
论文数: 0引用数: 0
h-index: 0
机构:
Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, SwitzerlandTechnion Israel Inst Technol, Fac Mat Engn, Haifa, Israel