{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T10:45:10Z","timestamp":1791888310530,"version":"4.3.4"},"reference-count":46,"publisher":"Wiley","issue":"57","license":[{"start":{"date-parts":[[2026,8,8]],"date-time":"2026-08-08T00:00:00Z","timestamp":1786147200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,8,8]],"date-time":"2026-08-08T00:00:00Z","timestamp":1786147200000},"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"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Lead\u2010free, eco\u2010friendly organic\u2013inorganic manganese halides (OIMnHs) have attracted considerable attention for optoelectronic applications, owing to their outstanding optical properties and facile solution processability. Here, we present a novel zero\u2010dimensional (0D) OIMnH, (BrEtPPh\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>2<\/jats:sub>\n                    MnBr\n                    <jats:sub>4<\/jats:sub>\n                    , synthesized as centimeter\u2010sized single crystals (SCs) under ambient conditions. Additionally, we developed a rapid (&lt;2 min) green \u201cshake\u2010and\u2010make\u201d synthesis method to directly obtain its powder form, named direct synthesized powder (DSP). Both SCs and DSP display strong green emission, with high photoluminescence quantum yields (PLQYs) of 51.28% for SCs and 88.68% for DSP, as well as exceptional color purity and photochemical stability. Flexible scintillator films, fabricated by blending PMMA with either SC or DSP, enable high\u2010resolution X\u2010ray imaging (5 lp\/mm) and the imaging of diverse objects. Notably, DSP demonstrates a high light yield (\u223c117k photons\/MeV), rivalling commercial and other Mn\u2010based SC scintillators, and stands as the first lead\u2010free, flexible perovskite scintillator made directly from powder. Furthermore, DSP facilitates efficient, sensitive, and background\u2010free latent fingerprint detection, offering clear ridge detail, the resolution of levels 1\u20133 features, and strong contrast across various surfaces, even after aging. This study marks the first such demonstration for OIMnHs, underscoring a simple, eco\u2010friendly approach to multifunctional materials for X\u2010ray scintillation and forensic latent fingerprint detection.\n                  <\/jats:p>","DOI":"10.1002\/smll.75105","type":"journal-article","created":{"date-parts":[[2026,8,8]],"date-time":"2026-08-08T07:21:23Z","timestamp":1786173683000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Lighting Hidden Traces: Rapid Green Synthesis of Zero\u2010Dimensional Manganese Halide Perovskite for X\u2010Ray and Fingerprint Imaging"],"prefix":"10.1002","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-0385-7838","authenticated-orcid":false,"given":"Pragati","family":"Sahu","sequence":"first","affiliation":[{"name":"Physical and Materials Chemistry Division CSIR\u2010National Chemical Laboratory (CSIR\u2010NCL)  Pune Maharashtra India"},{"name":"Academy of Scientific and Innovative Research (AcSIR)  Ghaziabad Uttar Pradesh India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9524-3109","authenticated-orcid":false,"given":"Mohit","family":"Tyagi","sequence":"additional","affiliation":[{"name":"Technical Physics Division Bhabha Atomic Research Centre  Mumbai Maharashtra India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6283-0179","authenticated-orcid":false,"given":"Shatabdi","family":"Porel Mukherjee","sequence":"additional","affiliation":[{"name":"Physical and Materials Chemistry Division CSIR\u2010National Chemical Laboratory (CSIR\u2010NCL)  Pune Maharashtra India"},{"name":"Academy of Scientific and Innovative Research (AcSIR)  Ghaziabad Uttar Pradesh 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