The development of potential photocatalysts that can harvest visible light and drive the two half reactions of water splitting is of vital importance in solar energy utilization. Here we report a new deep nitrogen-doped complex perovskite metal oxide Ba(Mg1/3Ta2/3)O3-xNy (denoted as BMTON) that shows a wide visible light response with an absorption edge of ca. 560 nm rather than a shoulder absorption. Various characterizations indicate that the greatly extended light absorption is mainly ascribed to the efficient nitrogen doping into the oxide precursor Ba(Mg1/3Ta2/3)O-3 (denoted as BMTO) that can be simply understood as lattice Mg partly substituted BaTaOx. Meanwhile, theoretical results demonstrate that the weakened Ta-O bonds of the oxide precursor by the substitution of Mg atoms with lower electronegativity than Ta atoms are responsible for the enhanced nitrogen permeation. After loading of cocatalysts Pt or CoOx, BMTON is active for H-2 and O-2 evolution under visible light irradiation in the presence of CH3OH and AgNO3, respectively. This work may open a new avenue to prepare nitrogendoped metal oxides with wide visible light utilization for potential solar energy conversion by choosing suitable precursor oxides for nitridation.
机构:
Keimyung Univ, Daegu 704701, South KoreaChangwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South Korea
Lu, Junqing
Joo, Yun Kon
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Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South KoreaChangwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South Korea
Joo, Yun Kon
Yoon, Jae Hong
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Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South KoreaChangwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South Korea
Yoon, Jae Hong
Koo, Bon Heun
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Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South KoreaChangwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South Korea
机构:
Univ Western Ontario, London, ON N6G 0J3, Canada
Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
Biesinger, Mark C.
Payne, Brad P.
论文数: 0引用数: 0
h-index: 0
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Univ Western Ontario, Dept Chem, London, ON N6A 5B7, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Payne, Brad P.
Grosvenor, Andrew P.
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h-index: 0
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Univ Saskatchewan, Dept Chem, Saskatoon, SK S7N 5C9, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Grosvenor, Andrew P.
Lau, Leo W. M.
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h-index: 0
机构:
Univ Western Ontario, London, ON N6G 0J3, Canada
Univ Western Ontario, Dept Chem, London, ON N6A 5B7, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Lau, Leo W. M.
Gerson, Andrea R.
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h-index: 0
机构:
Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
Gerson, Andrea R.
Smart, Roger St. C.
论文数: 0引用数: 0
h-index: 0
机构:
Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
机构:
Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
Chen, Xiaobo
Shen, Shaohua
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h-index: 0
机构:
Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaUniv Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
Shen, Shaohua
Guo, Liejin
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h-index: 0
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Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaUniv Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
Guo, Liejin
Mao, Samuel S.
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h-index: 0
机构:
Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
机构:
Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South KoreaPohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South Korea
Jang, Ji-Wook
Kong, Ki-jeong
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机构:
Korea Inst Chem Technol, Taejon 305343, South KoreaPohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South Korea
Kong, Ki-jeong
Kim, Eun Sun
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Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South KoreaPohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South Korea
Kim, Eun Sun
Lee, Kun-Hong
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Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South KoreaPohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South Korea
Lee, Kun-Hong
Lee, Jae Sung
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h-index: 0
机构:
Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South KoreaPohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South Korea
机构:
Keimyung Univ, Daegu 704701, South KoreaChangwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South Korea
Lu, Junqing
Joo, Yun Kon
论文数: 0引用数: 0
h-index: 0
机构:
Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South KoreaChangwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South Korea
Joo, Yun Kon
Yoon, Jae Hong
论文数: 0引用数: 0
h-index: 0
机构:
Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South KoreaChangwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South Korea
Yoon, Jae Hong
Koo, Bon Heun
论文数: 0引用数: 0
h-index: 0
机构:
Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South KoreaChangwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South Korea
机构:
Univ Western Ontario, London, ON N6G 0J3, Canada
Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
Biesinger, Mark C.
Payne, Brad P.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Western Ontario, Dept Chem, London, ON N6A 5B7, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Payne, Brad P.
Grosvenor, Andrew P.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Saskatchewan, Dept Chem, Saskatoon, SK S7N 5C9, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Grosvenor, Andrew P.
Lau, Leo W. M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Western Ontario, London, ON N6G 0J3, Canada
Univ Western Ontario, Dept Chem, London, ON N6A 5B7, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Lau, Leo W. M.
Gerson, Andrea R.
论文数: 0引用数: 0
h-index: 0
机构:
Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
Gerson, Andrea R.
Smart, Roger St. C.
论文数: 0引用数: 0
h-index: 0
机构:
Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
机构:
Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
Chen, Xiaobo
Shen, Shaohua
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaUniv Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
Shen, Shaohua
Guo, Liejin
论文数: 0引用数: 0
h-index: 0
机构:
Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaUniv Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
Guo, Liejin
Mao, Samuel S.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
机构:
Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South KoreaPohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South Korea
Jang, Ji-Wook
Kong, Ki-jeong
论文数: 0引用数: 0
h-index: 0
机构:
Korea Inst Chem Technol, Taejon 305343, South KoreaPohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South Korea
Kong, Ki-jeong
Kim, Eun Sun
论文数: 0引用数: 0
h-index: 0
机构:
Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South KoreaPohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South Korea
Kim, Eun Sun
Lee, Kun-Hong
论文数: 0引用数: 0
h-index: 0
机构:
Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South KoreaPohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South Korea
Lee, Kun-Hong
Lee, Jae Sung
论文数: 0引用数: 0
h-index: 0
机构:
Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South KoreaPohang Univ Sci & Technol POSTECH, Dept Chem Engn, Div Adv Nucl Engn, Pohang 790784, South Korea