{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T06:38:40Z","timestamp":1792478320785,"version":"4.5.0"},"reference-count":34,"publisher":"Wiley","issue":"19","license":[{"start":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T00:00:00Z","timestamp":1790380800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T00:00:00Z","timestamp":1790380800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001665","name":"Agence Nationale de la Recherche","doi-asserted-by":"publisher","award":["ANR\u201022\u2010PEHY\u20100013"],"award-info":[{"award-number":["ANR\u201022\u2010PEHY\u20100013"]}],"id":[{"id":"10.13039\/501100001665","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001665","name":"Agence Nationale de la Recherche","doi-asserted-by":"publisher","award":["ANR\u201021\u2010ESRE\u20100012"],"award-info":[{"award-number":["ANR\u201021\u2010ESRE\u20100012"]}],"id":[{"id":"10.13039\/501100001665","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2026,10,14]]},"abstract":"<jats:p>\n                    Solar\u2010driven hydrogen production via photoelectrochemical (PEC) water splitting offers a direct route to decarbonized fuels without grid dependence. Although III\u2013V semiconductors exhibit exceptional optoelectronic properties, their reliance on platinum group cocatalysts limits scalability. Here, we report a platinum group metal\u2010free (PGM\u2010free) hybrid photocathode integrating an epitaxially grown GaAs\/Si:p junction with mixed\u2010phase MoS\n                    <jats:sub>2<\/jats:sub>\n                    nanostructures for efficient hydrogen evolution in acidic media. Through systematic control of morphology, crystallinity, and phase composition, we demonstrate that 1T\u2032\u2010rich MoS\n                    <jats:sub>2<\/jats:sub>\n                    nanoflowers outperform exfoliated nanosheets, bulk 2H\u2010MoS\n                    <jats:sub>2<\/jats:sub>\n                    , and amorphous powder MoS\n                    <jats:sub>\n                      <jats:italic>x<\/jats:italic>\n                    <\/jats:sub>\n                    . The nanoflower architecture delivers higher saturation photocurrent densities and a positive shift in onset potential, attributed to enhanced charge transport, catalytic kinetics, and light penetration, while simultaneously improving stability. Notably, the hierarchical nanoflower morphology and 1T\u2032 phase synergistically enhance photocurrent performance. The optimized GaAs\/Si:p photocathodes modified with MoS\n                    <jats:sub>2<\/jats:sub>\n                    nanoflowers exhibit stable operation with a Faradaic efficiency of ~97% for hydrogen evolution. These findings establish morphology\u2010phase synergy as a critical design principle for developing PGM\u2010free PEC systems, paving the way for cost\u2010effective solar fuel production.\n                  <\/jats:p>","DOI":"10.1002\/cssc.71110","type":"journal-article","created":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T10:11:21Z","timestamp":1790417481000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Role of Morphology and Phase Engineering in Molybdenum Sulfide for Robust Photoelectrochemical Hydrogen Evolution on III\u2013V Photoelectrodes"],"prefix":"10.1002","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8840-7160","authenticated-orcid":false,"given":"Zakaria","family":"Anfar","sequence":"first","affiliation":[{"name":"Institut Europ\u00e9en des Membranes (IEM) UMR 5635 CNRS ENSCM Universit\u00e9 de Montpellier  Montpellier 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France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoan","family":"L\u00e9ger","sequence":"additional","affiliation":[{"name":"Institut FOTON UMR 6082 CNRS INSA Rennes Universit\u00e9 de Rennes  Rennes France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicolas","family":"Bertru","sequence":"additional","affiliation":[{"name":"Institut FOTON UMR 6082 CNRS INSA Rennes Universit\u00e9 de Rennes  Rennes France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1363-7401","authenticated-orcid":false,"given":"Charles","family":"Cornet","sequence":"additional","affiliation":[{"name":"Institut FOTON UMR 6082 CNRS INSA Rennes Universit\u00e9 de Rennes  Rennes France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8188-6637","authenticated-orcid":false,"given":"Chrystelle","family":"Salameh","sequence":"additional","affiliation":[{"name":"Institut Europ\u00e9en des Membranes (IEM) UMR 5635 CNRS ENSCM Universit\u00e9 de Montpellier  Montpellier France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1664-2839","authenticated-orcid":false,"given":"Damien","family":"Voiry","sequence":"additional","affiliation":[{"name":"Institut Europ\u00e9en des Membranes (IEM) UMR 5635 CNRS ENSCM Universit\u00e9 de Montpellier  Montpellier 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