{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T14:08:58Z","timestamp":1785506938921,"version":"3.56.0"},"reference-count":82,"publisher":"American Chemical Society (ACS)","issue":"29","license":[{"start":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T00:00:00Z","timestamp":1783987200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100018992","name":"Fonds der Chemischen Industrie","doi-asserted-by":"publisher","award":["NA"],"award-info":[{"award-number":["NA"]}],"id":[{"id":"10.13039\/100018992","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100023719","name":"German-American Fulbright Program","doi-asserted-by":"publisher","award":["FCA-2223"],"award-info":[{"award-number":["FCA-2223"]}],"id":[{"id":"10.13039\/100023719","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/na","name":"German Research Council","doi-asserted-by":"publisher","award":["495153105"],"award-info":[{"award-number":["495153105"]}],"id":[{"id":"10.13039\/na","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,7,29]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Proton-coupled electron transfers (PCETs) to metal oxides are key reactions for sustainable catalytic and energy storage processes. The factors that control PCET reactions on metal oxides are, however, not well understood, with the effect of particle morphology\/surface faceting on the thermodynamics and kinetics of PCET being essentially untested. We measured the thermodynamics and kinetics of PCET from CpCr(CO)3H to five V2O5 samples of varying morphologies\/surface faceting. Their nanostructures were assessed by Rietveld refinement accounting for preferred crystallite orientation, giving a semiquantitative measurement of surface faceting. PCET to V2O5 occurs via proton insertion-coupled electron transfer (PICET), where H\u00b7 diffuses into the bulk of the particle. The thermodynamics of PICET are controlled by particle structure, with nonequilibrium morphologies requiring structural rearrangement during PICET. The kinetics of PICET are controlled by the rate of H\u00b7 diffusion into the bulk, with diffusion along the interconnected V2O5 layers being 10x faster than between the layers. Samples with hindered H\u00b7 diffusion also show low activity in the oxidation of methanol, demonstrating that diffusion of H\u00b7 into the bulk occurs during catalysis. This work demonstrates that particle morphology is critical for PCET reactions to anisotropic metal oxides and must be considered when examining their reactivity.<\/jats:p>","DOI":"10.1021\/jacs.6c08557","type":"journal-article","created":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T07:06:11Z","timestamp":1784012771000},"page":"31302-31315","source":"Crossref","is-referenced-by-count":0,"title":["The Effect of Nanoparticle\nStructure on the Thermodynamics\nand Kinetics of Proton-Coupled Electron Transfer Reactions to V2O5"],"prefix":"10.1021","volume":"148","author":[{"given":"Osman","family":"Bunjaku","sequence":"first","affiliation":[{"name":"University of Stuttgart , , Pfaffenwaldring 55 , ,","place":["Stuttgart, Germany, 70569"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mustafa","family":"Turan","sequence":"additional","affiliation":[{"name":"University of Stuttgart , , Pfaffenwaldring 55 , ,","place":["Stuttgart, Germany, 70569"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hannes V.","family":"Beyertt","sequence":"additional","affiliation":[{"name":"University of Stuttgart , , Pfaffenwaldring 55 , ,","place":["Stuttgart, Germany, 70569"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wael","family":"Barakat","sequence":"additional","affiliation":[{"name":"University of Stuttgart , , Pfaffenwaldring 55 , ,","place":["Stuttgart, Germany, 70569"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8883-1145","authenticated-orcid":true,"given":"Michael","family":"Dyballa","sequence":"additional","affiliation":[{"name":"University of Stuttgart , , Pfaffenwaldring 55 , ,","place":["Stuttgart, Germany, 70569"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9691-1903","authenticated-orcid":true,"given":"Bertold","family":"Rasche","sequence":"additional","affiliation":[{"name":"University of Stuttgart , , Pfaffenwaldring 55 , ,","place":["Stuttgart, Germany, 70569"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3215-3461","authenticated-orcid":true,"given":"Deven P.","family":"Estes","sequence":"additional","affiliation":[{"name":"University of Stuttgart , , Pfaffenwaldring 55 , ,","place":["Stuttgart, Germany, 70569"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,7,14]]},"reference":[{"issue":"2","key":"2026073109211190500_cit1","doi-asserted-by":"publisher","first-page":"224","DOI":"10.1006\/jcat.2000.3045","article-title":"Catalysis on Pd\/WO3 and Pd\/WO2: II. 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