Journal article 591 views
Metal Nanocluster—Metal Organic Framework—Polymer Hybrid Nanomaterials for Improved Hydrogen Detection
Bo Xie,
Bosheng Ding,
Peng Mao,
Ying Wang,
Yini Liu,
Minrui Chen,
Changjiang Zhou,
Hui‐min Wen,
Shengjie Xia,
Min Han,
Richard Palmer ,
Guanghou Wang,
Jun Hu
Small, Volume: 18, Issue: 23, Start page: 2200634
Swansea University Author: Richard Palmer
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DOI (Published version): 10.1002/smll.202200634
Abstract
The development of hydrogen sensors is of paramount importance for timely leak detection and remains a crucial unmet need. Palladium-based materials, well known as hydrogen sensors, still suffer from poisoning and deactivation. Here, a hybrid hydrogen sensor consisting of a Pd nanocluster (NC) film,...
Published in: | Small |
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ISSN: | 1613-6810 1613-6829 |
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Wiley
2022
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URI: | https://cronfa.swan.ac.uk/Record/cronfa60491 |
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2022-10-31T17:56:20.6865765 v2 60491 2022-07-13 Metal Nanocluster—Metal Organic Framework—Polymer Hybrid Nanomaterials for Improved Hydrogen Detection 6ae369618efc7424d9774377536ea519 0000-0001-8728-8083 Richard Palmer Richard Palmer true false 2022-07-13 ACEM The development of hydrogen sensors is of paramount importance for timely leak detection and remains a crucial unmet need. Palladium-based materials, well known as hydrogen sensors, still suffer from poisoning and deactivation. Here, a hybrid hydrogen sensor consisting of a Pd nanocluster (NC) film, a metal–organic framework (MOF), and a polymer, are proposed. The polymer coating, as a protection layer, endows the sensor with excel-lent H2 selectivity and CO-poisoning resistance. The MOF serves as an interface layer between the Pd NC film and the polymer layer, which alters the nature of the interaction with hydrogen and leads to significant sensing performance improvements, owing to the interfacial electronic coupling between Pd NCs and the MOF. The strategy overcomes the shortcomings of retarded response speed and degraded sensitivity induced by the polymer coating of a Pd NC film–polymer hybrid system. This is the first exhibition of a hydrogen-sensing enhancement mechanism achieved by engineering the electronic coupling between Pd and a MOF. The work establishes a deep understanding of the hydrogen-sensing enhancement mechanism at the nanoscale and provides a feasible strategy to engineer next-generation gas-sensing nanodevices with superior sensing figures of merit via hybrid material systems. Journal Article Small 18 23 2200634 Wiley 1613-6810 1613-6829 Hydrogen sensors, interfacial coupling, metal organic frameworks, nanocomposites, palladium 9 6 2022 2022-06-09 10.1002/smll.202200634 COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University This work was supported by the National Natural Science Foundation of China under Grant Nos. U1909214, 92061126, 92163110, 11604161, and 51871091. 2022-10-31T17:56:20.6865765 2022-07-13T16:05:22.8254934 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Bo Xie 1 Bosheng Ding 2 Peng Mao 3 Ying Wang 4 Yini Liu 5 Minrui Chen 6 Changjiang Zhou 7 Hui‐min Wen 8 Shengjie Xia 9 Min Han 10 Richard Palmer 0000-0001-8728-8083 11 Guanghou Wang 12 Jun Hu 0000-0002-3178-4130 13 |
title |
Metal Nanocluster—Metal Organic Framework—Polymer Hybrid Nanomaterials for Improved Hydrogen Detection |
spellingShingle |
Metal Nanocluster—Metal Organic Framework—Polymer Hybrid Nanomaterials for Improved Hydrogen Detection Richard Palmer |
title_short |
Metal Nanocluster—Metal Organic Framework—Polymer Hybrid Nanomaterials for Improved Hydrogen Detection |
title_full |
Metal Nanocluster—Metal Organic Framework—Polymer Hybrid Nanomaterials for Improved Hydrogen Detection |
title_fullStr |
Metal Nanocluster—Metal Organic Framework—Polymer Hybrid Nanomaterials for Improved Hydrogen Detection |
title_full_unstemmed |
Metal Nanocluster—Metal Organic Framework—Polymer Hybrid Nanomaterials for Improved Hydrogen Detection |
title_sort |
Metal Nanocluster—Metal Organic Framework—Polymer Hybrid Nanomaterials for Improved Hydrogen Detection |
author_id_str_mv |
6ae369618efc7424d9774377536ea519 |
author_id_fullname_str_mv |
6ae369618efc7424d9774377536ea519_***_Richard Palmer |
author |
Richard Palmer |
author2 |
Bo Xie Bosheng Ding Peng Mao Ying Wang Yini Liu Minrui Chen Changjiang Zhou Hui‐min Wen Shengjie Xia Min Han Richard Palmer Guanghou Wang Jun Hu |
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Journal article |
container_title |
Small |
container_volume |
18 |
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23 |
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2200634 |
publishDate |
2022 |
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Swansea University |
issn |
1613-6810 1613-6829 |
doi_str_mv |
10.1002/smll.202200634 |
publisher |
Wiley |
college_str |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering |
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description |
The development of hydrogen sensors is of paramount importance for timely leak detection and remains a crucial unmet need. Palladium-based materials, well known as hydrogen sensors, still suffer from poisoning and deactivation. Here, a hybrid hydrogen sensor consisting of a Pd nanocluster (NC) film, a metal–organic framework (MOF), and a polymer, are proposed. The polymer coating, as a protection layer, endows the sensor with excel-lent H2 selectivity and CO-poisoning resistance. The MOF serves as an interface layer between the Pd NC film and the polymer layer, which alters the nature of the interaction with hydrogen and leads to significant sensing performance improvements, owing to the interfacial electronic coupling between Pd NCs and the MOF. The strategy overcomes the shortcomings of retarded response speed and degraded sensitivity induced by the polymer coating of a Pd NC film–polymer hybrid system. This is the first exhibition of a hydrogen-sensing enhancement mechanism achieved by engineering the electronic coupling between Pd and a MOF. The work establishes a deep understanding of the hydrogen-sensing enhancement mechanism at the nanoscale and provides a feasible strategy to engineer next-generation gas-sensing nanodevices with superior sensing figures of merit via hybrid material systems. |
published_date |
2022-06-09T20:25:33Z |
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1821438517946875904 |
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11.047609 |