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Author |
Zheng, J.; Zhang, H.; Lv, J.; Zhang, M.; Wan, J.; Gerrits, N.; Wu, A.; Lan, B.; Wang, W.; Wang, S.; Tu, X.; Bogaerts, A.; Li, X. |
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Title |
Enhanced NH3Synthesis from Air in a Plasma Tandem-Electrocatalysis System Using Plasma-Engraved N-Doped Defective MoS2 |
Type |
A1 Journal Article |
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Year  |
2023 |
Publication |
JACS Au |
Abbreviated Journal |
JACS Au |
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Volume |
3 |
Issue |
5 |
Pages |
1328-1336 |
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Keywords |
A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; |
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Abstract |
We have developed a sustainable method to produce NH3 directly from air using a plasma tandem-electrocatalysis system that operates via the N2−NOx−NH3 pathway. To efficiently reduce NO2− to NH3, we propose a novel electrocatalyst consisting of defective N-doped molybdenum sulfide nanosheets on vertical graphene arrays (N-MoS2/VGs). We used a plasma engraving process to form the metallic 1T phase, N doping, and S vacancies in the electrocatalyst simultaneously. Our system exhibited a remarkable NH3 production rate of 7.3 mg h−1 cm−2 at −0.53 V vs RHE, which is almost 100 times higher than the state-of-the-art electrochemical nitrogen reduction reaction and more than double that of other hybrid systems. Moreover, a low energy consumption of only 2.4 MJ molNH3−1 was achieved in this study. Density functional theory calculations revealed that S vacancies and doped N atoms play a dominant role in the selective reduction of NO2− to NH3. This study opens up new avenues for efficient NH3 production using cascade systems. |
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Wos |
000981779300001 |
Publication Date |
2023-05-22 |
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ISSN |
2691-3704 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access |
Not_Open_Access |
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Notes |
ACKNOWLEDGMENTS This work was supported by the National Natural Science Foundation of China (51976191, 5227060056, 52276214) and the National Key Technologies R&D Program of China (2018YFE0117300). N.G. was financially supported through an NWO Rubicon Grant (019.202EN.012). X.T. acknowl- edges the support of the Engineering and Physical Sciences Research Council (EP/X002713/1). |
Approved |
Most recent IF: NA |
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Call Number |
PLASMANT @ plasmant @c:irua:196761 |
Serial |
8792 |
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Author |
Du, K.; Zhang, M.; Dai, C.; Zhou, Z.N.; Xie, Y.W.; Ren, Z.H.; Tian, H.; Chen, L.Q.; Van Tendeloo, G.; Zhang, Z. |
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Title |
Manipulating topological transformations of polar structures through real-time observation of the dynamic polarization evolution |
Type |
A1 Journal article |
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Year |
2019 |
Publication |
Nature communications |
Abbreviated Journal |
Nat Commun |
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Volume |
10 |
Issue |
10 |
Pages |
4864 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) |
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Abstract |
Topological structures based on controllable ferroelectric or ferromagnetic domain configurations offer the opportunity to develop microelectronic devices such as high-density memories. Despite the increasing experimental and theoretical insights into various domain structures (such as polar spirals, polar wave, polar vortex) over the past decade, manipulating the topological transformations of polar structures and comprehensively understanding its underlying mechanism remains lacking. By conducting an in-situ non-contact bias technique, here we systematically investigate the real-time topological transformations of polar structures in PbTiO3/SrTiO3 multilayers at an atomic level. The procedure of vortex pair splitting and the transformation from polar vortex to polar wave and out-of-plane polarization are observed step by step. Furthermore, the redistribution of charge in various topological structures has been demonstrated under an external bias. This provides new insights for the symbiosis of polar and charge and offers an opportunity for a new generation of microelectronic devices. |
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Wos |
000492835100002 |
Publication Date |
2019-10-25 |
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Series Issue |
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ISSN |
2041-1723 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
12.124 |
Times cited |
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Open Access |
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Most recent IF: 12.124 |
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Call Number |
UA @ admin @ c:irua:164681 |
Serial |
6307 |
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Author |
Zhang, M.-L.; March, N.H.; Peeters, A.; van Alsenoy, C.; Howard, I.; Lamoen, D.; Leys, F. |
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Title |
Loss rate of a plasticizer in a nylon matrix calculated using macroscopic reaction-diffusion kinetics |
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A1 Journal article |
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Year |
2003 |
Publication |
Journal Of Applied Physics |
Abbreviated Journal |
J Appl Phys |
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Volume |
93 |
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1525-1532 |
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A1 Journal article; Electron Microscopy for Materials Science (EMAT); |
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American Institute of Physics |
Place of Publication |
New York, N.Y. |
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000180630200031 |
Publication Date |
2003-02-10 |
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ISSN |
0021-8979; |
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Additional Links |
UA library record; WoS full record; |
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Impact Factor |
2.068 |
Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: 2.068; 2003 IF: 2.171 |
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Call Number |
UA @ lucian @ c:irua:41405 |
Serial |
1844 |
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Author |
Meyer, H.W.; Bismayer, U.; Adiwidjaja, G.; Zhang, M.; Nistor, L.; Van Tendeloo, G. |
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Title |
Natural titanite and malayite: structural investigations and the 500K anomaly |
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A1 Journal article |
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Year |
1998 |
Publication |
Phase transitions |
Abbreviated Journal |
Phase Transit |
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Volume |
67 |
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Pages |
27-49 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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New York |
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000079806000003 |
Publication Date |
2007-07-08 |
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ISSN |
0141-1594;1029-0338; |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.06 |
Times cited |
9 |
Open Access |
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Notes |
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Approved |
Most recent IF: 1.06; 1998 IF: 0.551 |
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Call Number |
UA @ lucian @ c:irua:25683 |
Serial |
2287 |
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