{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T11:10:40Z","timestamp":1788952240621,"version":"build-2803163510"},"reference-count":42,"publisher":"Wiley","issue":"17","license":[{"start":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T00:00:00Z","timestamp":1785283200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T00:00:00Z","timestamp":1785283200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100004281","name":"Narodowe Centrum Nauki","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004281","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004382","name":"Polska Akademia Nauk","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004382","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small Methods"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    The colloidal synthesis of Ag\u2010based lead\u2010free double perovskite nanocrystals (NCs) involves Ag\n                    <jats:sup>+<\/jats:sup>\n                    \u2010reduction mediated pathways, however, the role of Ag redox chemistry in lattice formation remains poorly understood. Here, we elucidate the crystallization\u2010driven redox processes that govern the formation of Cs\n                    <jats:sub>2<\/jats:sub>\n                    AgBiBr\n                    <jats:sub>6<\/jats:sub>\n                    NCs. An alternative synthesis has been proposed by carefully studying the effect of reaction temperature behind the in\u2010situ Ag\u2010reduction aided from Ag\u2010oleate complex decomposition at &gt;175 \u00b0C, followed by its oxidation mediated by the addition of exclusively used halide precursor, oleylammonium bromide (OLAmBr). The halide precursor participates in the oxidation of in\u2010situ formed Ag\n                    <jats:sup>0<\/jats:sup>\n                    followed by the crystallization of Cs\n                    <jats:sub>2<\/jats:sub>\n                    AgBiBr\n                    <jats:sub>6<\/jats:sub>\n                    NCs. This work establishes halide\u2010mediated oxidative etching as a key step in the crystallization of lead\u2010free double perovskite NCs.\n                  <\/jats:p>","DOI":"10.1002\/smtd.70917","type":"journal-article","created":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T06:43:31Z","timestamp":1785393811000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Halide\u2010Triggered Oxidative Etching as a Key Step in the Formation of Lead\u2010Free Double Perovskite Nanocrystals"],"prefix":"10.1002","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5670-5179","authenticated-orcid":false,"given":"Samrat","family":"Das Adhikari","sequence":"first","affiliation":[{"name":"Institute of Physical Chemistry Polish Academy of Sciences  Warsaw 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