{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T12:17:01Z","timestamp":1793017021498,"version":"4.5.0"},"reference-count":52,"publisher":"Wiley","issue":"29","license":[{"start":{"date-parts":[[2017,6,8]],"date-time":"2017-06-08T00:00:00Z","timestamp":1496880000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100004083","name":"Ministry of Science ICT and Future Planning","doi-asserted-by":"publisher","award":["H\u2010GUARD_2013M3A6B2078946"],"award-info":[{"award-number":["H\u2010GUARD_2013M3A6B2078946"]}],"id":[{"id":"10.13039\/501100004083","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["NRF\u20102017R1A2B3005682"],"award-info":[{"award-number":["NRF\u20102017R1A2B3005682"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["NRF\u20102016R1D1A1B03932366"],"award-info":[{"award-number":["NRF\u20102016R1D1A1B03932366"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002642","name":"Korea University","doi-asserted-by":"publisher","award":["NRF\u20102013H1A2A1032647"],"award-info":[{"award-number":["NRF\u20102013H1A2A1032647"]}],"id":[{"id":"10.13039\/501100002642","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Small"],"published-print":{"date-parts":[[2017,8]]},"abstract":"<jats:p>The development of Pt\u2010free electrocatalysts for the hydrogen evolution reaction (HER) recently is a focus of great interest. While several strategies are developed to control the structural properties of non\u2010Pt catalysts and boost their electrocatalytic activities for the HER, the generation of highly reactive defects or interfaces by combining a metal with other metals, or with metal oxides\/sulfides, can lead to notably enhanced catalytic performance. Herein, the preparation of cactus\u2010like hollow Cu<jats:sub>2\u2010<\/jats:sub><jats:italic><jats:sub>x<\/jats:sub><\/jats:italic>S@Ru nanoplates (NPs) that contain metal\/metal sulfide heterojunctions and show excellent catalytic activity and durability for the HER in alkaline media is reported. The initial formation of Ru islands on presynthesized Cu<jats:sub>1.94<\/jats:sub>S NPs, via cation exchange between three Cu<jats:sup>+<\/jats:sup> ions and one Ru<jats:sup>3+<\/jats:sup>, induces the growth of the Ru phase, which is concomitant with the dissolution of the Cu<jats:sub>1.94<\/jats:sub>S nanotemplate, culminating in the formation of a hollow nanostructure with numerous thin Ru pillars. Hollow Cu<jats:sub>2\u2010<\/jats:sub><jats:italic><jats:sub>x<\/jats:sub><\/jats:italic>S@Ru NPs exhibit a small overpotential of 82 mV at a current density of \u221210 mA cm<jats:sup>\u22122<\/jats:sup> and a low Tafel slope of 48 mV dec<jats:sup>\u22121<\/jats:sup> under alkaline conditions; this catalyst is among state\u2010of\u2010the\u2010art HER electrocatalysts in alkaline media. The excellent performance of hollow Cu<jats:sub>2\u2010<\/jats:sub><jats:italic><jats:sub>x<\/jats:sub><\/jats:italic>S@Ru NPs originates from the facile dissociation of water in the Volmer step.<\/jats:p>","DOI":"10.1002\/smll.201700052","type":"journal-article","created":{"date-parts":[[2017,6,8]],"date-time":"2017-06-08T12:42:36Z","timestamp":1496925756000},"source":"Crossref","is-referenced-by-count":106,"title":["Cactus\u2010Like Hollow Cu<sub>2\u2010<\/sub><i><sub>x<\/sub><\/i>S@Ru Nanoplates as Excellent and Robust Electrocatalysts for the Alkaline Hydrogen Evolution Reaction"],"prefix":"10.1002","volume":"13","author":[{"given":"Donghwan","family":"Yoon","sequence":"first","affiliation":[{"name":"Center for Molecular Spectroscopy and Dynamics Institute for Basic Science (IBS)  Seoul 02841 Korea"},{"name":"Department of Chemistry Korea University  Seoul 02841 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jaeyoung","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Chemistry Korea University  Seoul 02841 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bora","family":"Seo","sequence":"additional","affiliation":[{"name":"Department of Chemistry Ulsan National Institute of Science and Technology (UNIST)  Ulsan 44919 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Byeongyoon","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Chemistry Korea University  Seoul 02841 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hionsuck","family":"Baik","sequence":"additional","affiliation":[{"name":"Korea Basic Science Institute (KBSI)  Seoul 02841 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sang Hoon","family":"Joo","sequence":"additional","affiliation":[{"name":"Department of Chemistry Ulsan National Institute of Science and Technology (UNIST)  Ulsan 44919 Korea"},{"name":"School of Energy and Chemical Engineering UNIST  Ulsan 44919 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kwangyeol","family":"Lee","sequence":"additional","affiliation":[{"name":"Center for Molecular Spectroscopy and Dynamics Institute for Basic Science (IBS)  Seoul 02841 Korea"},{"name":"Department of Chemistry Korea University  Seoul 02841 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,6,8]]},"reference":[{"key":"e_1_2_6_1_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1103197"},{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jpclett.5b00306"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1039\/C4CS00448E"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201407031"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/cctc.201500396"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201505597"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1141483"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1021\/nl2020476"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1038\/nmat3439"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201406848"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1039\/C5CC02472B"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1039\/C5EE03456F"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1039\/C6CE00985A"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1039\/c3ee40600h"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1002\/smll.201601168"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1039\/C6EE01786J"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1316792110"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1038\/nmat3700"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.1039\/C4EE01329H"},{"key":"e_1_2_6_20_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja201269b"},{"key":"e_1_2_6_21_1","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.201300318"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.1039\/c3cc41945b"},{"key":"e_1_2_6_23_1","doi-asserted-by":"publisher","DOI":"10.1039\/C5NR01896J"},{"key":"e_1_2_6_24_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsnano.5b00786"},{"key":"e_1_2_6_25_1","doi-asserted-by":"publisher","DOI":"10.1038\/nmat4465"},{"key":"e_1_2_6_26_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemmater.6b01395"},{"key":"e_1_2_6_27_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jpcc.6b04692"},{"key":"e_1_2_6_28_1","first-page":"6701","volume":"55","author":"Zhang J.","year":"2016","journal-title":"Angew. 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