{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T04:16:56Z","timestamp":1790828216702,"version":"4.1.0"},"reference-count":30,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T00:00:00Z","timestamp":1772928000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T00:00:00Z","timestamp":1772928000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100018992","name":"Chemical Industry Fund","doi-asserted-by":"publisher","award":["LiebigScholarship"],"award-info":[{"award-number":["LiebigScholarship"]}],"id":[{"id":"10.13039\/100018992","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100008530","name":"European Regional Development Fund","doi-asserted-by":"publisher","award":["2023FGI0008"],"award-info":[{"award-number":["2023FGI0008"]}],"id":[{"id":"10.13039\/501100008530","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":[[2026,3,13]]},"abstract":"<jats:p>\n                    Photocatalytic overall water splitting is a promising pathway to produce green hydrogen but also presents unique research challenges due to the need to detect both gaseous products (H\n                    <jats:sub>2<\/jats:sub>\n                    and O\n                    <jats:sub>2<\/jats:sub>\n                    ). While gas chromatography (GC) is the most commonly employed method in this context, it faces multiple shortcomings: low time resolution as well as the need to alter the reaction conditions (vacuum or carrier gas flushing) to feed the products into the GC, which limits the extent to which obtained insights can be translated into scalable photoreactors (where H\n                    <jats:sub>2<\/jats:sub>\n                    and O\n                    <jats:sub>2<\/jats:sub>\n                    accumulate). Against this backdrop, we report a novel, sensor\u2010based experimental method which allows for simultaneous in situ detection of H\n                    <jats:sub>2<\/jats:sub>\n                    and O\n                    <jats:sub>2<\/jats:sub>\n                    in both the liquid and gas phase. It is based on a standardized modular photoreactor platform and integrates optical O\n                    <jats:sub>2<\/jats:sub>\n                    and electrochemical H\n                    <jats:sub>2<\/jats:sub>\n                    sensors for real\u2010time measurements during water splitting. Using this method, we investigate photocatalytic overall water splitting using Rh\n                    <jats:sub>\n                      2\u2212\n                      <jats:italic>y<\/jats:italic>\n                    <\/jats:sub>\n                    Cr\n                    <jats:sub>\n                      <jats:italic>y<\/jats:italic>\n                    <\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    \/Al:SrTiO\n                    <jats:sub>3<\/jats:sub>\n                    , determining the irradiance dependence, thermal activation barrier, optimal cocatalyst loading, and H\/D kinetic isotope effect. This highlights the versatility of the described method as well as the depth of information that can be obtained through the in situ H\n                    <jats:sub>2<\/jats:sub>\n                    \/O\n                    <jats:sub>2<\/jats:sub>\n                    detection approach.\n                  <\/jats:p>","DOI":"10.1002\/cssc.202502721","type":"journal-article","created":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T23:39:37Z","timestamp":1773013177000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Insights Into Overall Photocatalytic Water Splitting Through Simultaneous In Situ H\n                    <sub>2<\/sub>\n                    and O\n                    <sub>2<\/sub>\n                    Measurements"],"prefix":"10.1002","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-5516-0380","authenticated-orcid":false,"given":"Nadzeya","family":"Brezhneva","sequence":"first","affiliation":[{"name":"Institute of Organic Chemistry and Macromolecular Chemistry Friedrich Schiller University Jena  Jena Germany"},{"name":"Center for Energy and Environmental Chemistry Jena (CEEC Jena) Friedrich Schiller University Jena  Jena Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3413-8342","authenticated-orcid":false,"given":"Alexander","family":"Eith","sequence":"additional","affiliation":[{"name":"Institute of Organic Chemistry and Macromolecular Chemistry Friedrich Schiller University Jena  Jena Germany"},{"name":"Center for Energy and Environmental Chemistry Jena (CEEC Jena) Friedrich Schiller University Jena  Jena Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6469-8781","authenticated-orcid":false,"given":"Ebrahim","family":"Abedini","sequence":"additional","affiliation":[{"name":"Institute of Organic Chemistry and Macromolecular Chemistry Friedrich Schiller University Jena  Jena Germany"},{"name":"Center for Energy and Environmental Chemistry Jena (CEEC Jena) Friedrich Schiller University Jena  Jena Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3603-5980","authenticated-orcid":false,"given":"Daniel","family":"Kowalczyk","sequence":"additional","affiliation":[{"name":"Institute of Chemical Engineering Ulm University  Ulm Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6104-4953","authenticated-orcid":false,"given":"Dirk","family":"Ziegenbalg","sequence":"additional","affiliation":[{"name":"Institute of Chemical Engineering Ulm University  Ulm Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-3173-5946","authenticated-orcid":false,"given":"Jacob","family":"Schneidewind","sequence":"additional","affiliation":[{"name":"Institute of Organic Chemistry and Macromolecular Chemistry Friedrich Schiller University Jena  Jena Germany"},{"name":"Center for Energy and Environmental Chemistry Jena (CEEC Jena) Friedrich Schiller University Jena  Jena Germany"},{"name":"Jena Center for Soft Matter (JCSM) Friedrich Schiller University Jena  Jena Germany"},{"name":"Helmholtz Institute for Polymers in Energy Applications Jena (HIPOLE Jena)  Jena 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