{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T15:59:14Z","timestamp":1790351954251,"version":"4.1.0"},"reference-count":58,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T00:00:00Z","timestamp":1790294400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T00:00:00Z","timestamp":1790294400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    While all\u2010inorganic lead halide perovskite quantum dots offer tunable pathways toward programmable optoelectronics, the origin of stimulus\u2010activated phase transformation and its underlying photophysics remain controversial. Here, by constructing a composition\u2010tunable dual\u2010phase Cs\n                    <jats:sub>4<\/jats:sub>\n                    PbBr\n                    <jats:sub>6<\/jats:sub>\n                    \u2010CsPbBr\n                    <jats:sub>3<\/jats:sub>\n                    quantum dots platform with direct interfacial contact, we have identified key factors that regulate the emission behavior through careful structural and spectroscopic analyses, including interfacial strain and localized\u2010states\u2010induced changes of carrier trapping and recombination pathways. Furthermore, in situ solvent treatment uncovers the hydroxyl\u2010triggered, polarity\u2010modulated CsBr extraction mechanism that drives the localized conversion from non\u2010emissive Cs\n                    <jats:sub>4<\/jats:sub>\n                    PbBr\n                    <jats:sub>6<\/jats:sub>\n                    to green emissive CsPbBr\n                    <jats:sub>3<\/jats:sub>\n                    . Such solvent\u2010programmable optical activation is further converted into an optical\/electrical dual\u2010mode readout using a planar photoconductor. The dual\u2010mode response enables discrimination between hydroxyl\u2010containing and hydroxyl\u2010free solvents, identification of various protic solvents, and semi\u2010quantitative analysis of water content in ethanol\u2010water mixtures. This work provides synthetic and mechanistic strategies for regulating the structure\u2010property relationships\u00a0of interphase perovskite quantum dots and establishes a dual\u2010mode sensing platform that couple photoluminescence activation with photoconductive signatures for solvent identification and discrimination.\n                  <\/jats:p>","DOI":"10.1002\/smll.75924","type":"journal-article","created":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T15:01:44Z","timestamp":1790348504000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Interfacial Photophysics and Solvent\u2010triggered Phase Reconstruction in Cs\n                    <sub>4<\/sub>\n                    PbBr\n                    <sub>6<\/sub>\n                    Quantum Dots for Optical\/Electrical Dual\u2010Mode Sensing"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-2629-5238","authenticated-orcid":false,"given":"Tongyun","family":"Hu","sequence":"first","affiliation":[{"name":"Macao Institute of Materials Science and Engineering Macau University of Science and Technology Taipa Macao China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-3057-8346","authenticated-orcid":false,"given":"Haochuan","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Beijing Institute of Technology  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-4930-2462","authenticated-orcid":false,"given":"Zhiyuan","family":"Li","sequence":"additional","affiliation":[{"name":"Macao Institute of Materials Science and Engineering Macau University of Science and Technology Taipa Macao 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