{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T08:34:40Z","timestamp":1786696480291,"version":"build-2736575974"},"reference-count":72,"publisher":"Wiley","issue":"15","license":[{"start":{"date-parts":[[2026,8,5]],"date-time":"2026-08-05T00:00:00Z","timestamp":1785888000000},"content-version":"vor","delay-in-days":4,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:00:00Z","timestamp":1785542400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["aces.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry \u0097 An Asian Journal"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Gold nanoparticles (Au NPs) supported on ordered mesoporous silica have attracted significant attention as robust nanocatalysts. In this study, high\u2010gold\u2010content three\u2010dimensional (3D) mesoporous silica (KIT\u20106\u2010Au NPs) was synthesized, which exhibited a 3D cubic Ia3d mesostructure with uniformly dispersed Au NPs (\u223c8\u00a0nm) predominantly exposing the (111) facets. Structural analyses were conducted by Brunauer\u2013Emmett\u2013Teller surface area measurement, Raman spectroscopy, solid\u2010state Si\n                    <jats:sup>29<\/jats:sup>\n                    NMR spectroscopy, Transmission electron microscopy, x\u2010ray diffraction, x\u2010ray photoelectron spectroscopy, and inductively coupled plasma optical emission spectroscopy, confirming high gold loading 15.5 wt% and strong metal\u2013support interaction. Catalytic performance was evaluated through the reduction of 4\u2010nitrophenol (4\u2010NP) with NaBH\n                    <jats:sub>4<\/jats:sub>\n                    as a model reaction, exhibiting a maximum apparent rate constant of 0.0086 \u00b1 0.0002 s\n                    <jats:sup>\u2212<\/jats:sup>\n                    <jats:sup>1<\/jats:sup>\n                    at 25\u00b0C. It surpasses comparable Au\u2013mesoporous silica systems and is competitive with other silica\u2010supported metallic nanocatalysts. The findings further confirm that the reduction of 4\u2010NP by NaBH\n                    <jats:sub>4<\/jats:sub>\n                    in the presence of the KIT\u20106\u2010Au NP catalyst proceeds via a heterogeneous catalytic pathway and that the catalyst is structurally robust under the reaction conditions. This work highlights the potential of facet\u2010engineered, high\u2010loading Au NPs integrated within a 3D mesoporous silica framework as an efficient catalyst capable of promoting diverse reactions under mild conditions.\n                  <\/jats:p>","DOI":"10.1002\/asia.70913","type":"journal-article","created":{"date-parts":[[2026,8,5]],"date-time":"2026-08-05T12:06:41Z","timestamp":1785931601000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Mesostructural Engineering of Faceted Gold Nanoparticles in 3D KIT\u20106 Silica for Enhanced Catalytic Efficiency"],"prefix":"10.1002","volume":"21","author":[{"given":"Sudipta","family":"Ghosh","sequence":"first","affiliation":[{"name":"Department of Chemistry New Alipore College  Kolkata India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manajit","family":"Mandal","sequence":"additional","affiliation":[{"name":"Department of Chemistry Indian 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