MnFe 2 O 4 Nanocrystals Wrapped in a Porous Organic Polymer: A Designed Architecture for Water-Splitting Photocatalysis
A novel MnFe O -porous organic polymer (POP) nanocomposite was synthesized by a facile hydrothermal method and using the highly cross-linked N-rich benzene-benzylamine POP. The nanocomposite presented highly efficient photocatalytic performance in the hydrogen evolution reaction (HER) from pure wate...
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Veröffentlicht in: | Chemistry : a European journal 2016-10, Vol.22 (44), p.15639-15644 |
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container_issue | 44 |
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container_title | Chemistry : a European journal |
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creator | Dhanalaxmi, Karnekanti Yadav, Rajkumar Kundu, Sudipta K Reddy, Benjaram Mahipal Amoli, Vipin Sinha, Anil Kumar Mondal, John |
description | A novel MnFe
O
-porous organic polymer (POP) nanocomposite was synthesized by a facile hydrothermal method and using the highly cross-linked N-rich benzene-benzylamine POP. The nanocomposite presented highly efficient photocatalytic performance in the hydrogen evolution reaction (HER) from pure water without addition of any sacrificial agent under one AM 1.5 G sunlight illumination. A photocatalytic activity of 6.12 mmol h
g
was achieved in the absence of any noble metal cocatalyst, which is the highest H
production rate reported for nonprecious metal catalysts. The photocatalytic performance of MnFe
O
-POP could be attributed to the intrinsic synergistic effects of manganese ferrite (MnFe
O
) nanoclusters interacting with the nitrogen dopant POP with a unique mesoporous nanoarchitecture and spatially confined growth of MnFe
O
in the interconnected POP network, leading to high visible-light absorption with fast electron transport. |
doi_str_mv | 10.1002/chem.201603419 |
format | Article |
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O
-porous organic polymer (POP) nanocomposite was synthesized by a facile hydrothermal method and using the highly cross-linked N-rich benzene-benzylamine POP. The nanocomposite presented highly efficient photocatalytic performance in the hydrogen evolution reaction (HER) from pure water without addition of any sacrificial agent under one AM 1.5 G sunlight illumination. A photocatalytic activity of 6.12 mmol h
g
was achieved in the absence of any noble metal cocatalyst, which is the highest H
production rate reported for nonprecious metal catalysts. The photocatalytic performance of MnFe
O
-POP could be attributed to the intrinsic synergistic effects of manganese ferrite (MnFe
O
) nanoclusters interacting with the nitrogen dopant POP with a unique mesoporous nanoarchitecture and spatially confined growth of MnFe
O
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O
-porous organic polymer (POP) nanocomposite was synthesized by a facile hydrothermal method and using the highly cross-linked N-rich benzene-benzylamine POP. The nanocomposite presented highly efficient photocatalytic performance in the hydrogen evolution reaction (HER) from pure water without addition of any sacrificial agent under one AM 1.5 G sunlight illumination. A photocatalytic activity of 6.12 mmol h
g
was achieved in the absence of any noble metal cocatalyst, which is the highest H
production rate reported for nonprecious metal catalysts. The photocatalytic performance of MnFe
O
-POP could be attributed to the intrinsic synergistic effects of manganese ferrite (MnFe
O
) nanoclusters interacting with the nitrogen dopant POP with a unique mesoporous nanoarchitecture and spatially confined growth of MnFe
O
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O
-porous organic polymer (POP) nanocomposite was synthesized by a facile hydrothermal method and using the highly cross-linked N-rich benzene-benzylamine POP. The nanocomposite presented highly efficient photocatalytic performance in the hydrogen evolution reaction (HER) from pure water without addition of any sacrificial agent under one AM 1.5 G sunlight illumination. A photocatalytic activity of 6.12 mmol h
g
was achieved in the absence of any noble metal cocatalyst, which is the highest H
production rate reported for nonprecious metal catalysts. The photocatalytic performance of MnFe
O
-POP could be attributed to the intrinsic synergistic effects of manganese ferrite (MnFe
O
) nanoclusters interacting with the nitrogen dopant POP with a unique mesoporous nanoarchitecture and spatially confined growth of MnFe
O
in the interconnected POP network, leading to high visible-light absorption with fast electron transport.</abstract><cop>Germany</cop><pmid>27595431</pmid><doi>10.1002/chem.201603419</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-7813-2108</orcidid></addata></record> |
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title | MnFe 2 O 4 Nanocrystals Wrapped in a Porous Organic Polymer: A Designed Architecture for Water-Splitting Photocatalysis |
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