{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T01:54:25Z","timestamp":1788832465876,"version":"build-2803163510"},"reference-count":30,"publisher":"American Chemical Society (ACS)","issue":"28","license":[{"start":{"date-parts":[[2024,6,29]],"date-time":"2024-06-29T00:00:00Z","timestamp":1719619200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000078","name":"Division of Materials Research","doi-asserted-by":"publisher","award":["DMR-1653016"],"award-info":[{"award-number":["DMR-1653016"]}],"id":[{"id":"10.13039\/100000078","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002241","name":"Japan Science and Technology Agency","doi-asserted-by":"publisher","award":["JPMJTM20RP"],"award-info":[{"award-number":["JPMJTM20RP"]}],"id":[{"id":"10.13039\/501100002241","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,7,16]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>In order to decrease the generation of radioactive waste, it is of interest to develop a scintillator capable of absorbing tritiated solutions for efficient detection of low-energy \u03b2-particles from tritium. In this work, paper scintillator incorporated with scintillator\u2013silica fine powders (FPs), which is composed of scintillator\u2013silica nanoparticles (NPs) attached to silica FP, was fabricated and evaluated. The scintillator\u2013silica NPs contained liquid scintillators benzoic acid, 2,5-diphenyloxazole (PPO), and 1,4-bis\u00ad(5-phenyloxazol-2-yl) benzene (POPOP). Photophysical characterization was executed by means of photoluminescence, fluorescence lifetime, quantum efficiency, and radioluminescence under X-ray excitation. POPOP emission was confirmed by absorbing the emissions from benzoic acid and PPO. Radioluminescence results confirmed POPOP emission. Fluorescence lifetime analysis yielded a 1.29 \u00b1 0.01 ns main fast decay (64.2%) combined with a 4.00 \u00b1 0.04 ns slower decay (35.8%). The combined luminescence results suggested that most POPOP in the paper scintillator was solvated. At 301 nm, the average quantum efficiency from both faces of the paper scintillator was about 4%, and at 370 nm, it was about 11%. The paper scintillator detected 3H \u03b2-particles by dipping the paper scintillator into tritiated water without a liquid scintillator. The counting efficiency depended on water content in the paper scintillator, and it increased to above 10% for tritium activity less than 200 dpm since it was preferentially adsorbed by vapor pressure isotopic effect and isotopic exchanged tritium on the surface of the scintillator\u2013silica FP in the paper scintillator.<\/jats:p>","DOI":"10.1021\/acsomega.4c01901","type":"journal-article","created":{"date-parts":[[2024,6,29]],"date-time":"2024-06-29T08:59:56Z","timestamp":1719651596000},"page":"30470-30477","source":"Crossref","is-referenced-by-count":4,"title":["Paper Scintillator\nIncorporated with Scintillator\u2013Silica\nFine Powders: Photophysical Characterization and Proof of Concept\nDemonstration of Tritium Detection"],"prefix":"10.1021","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0856-8410","authenticated-orcid":true,"given":"Hirokazu","family":"Miyoshi","sequence":"first","affiliation":[{"name":"Tokushima University , , 3-18-15 Kuramoto-cho , ,","place":["Tokushima, Japan, 770-8503"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mami","family":"Nakamura","sequence":"additional","affiliation":[{"name":"Tokushima University , , 3-18-15 Kuramoto-cho , ,","place":["Tokushima, Japan, 770-8503"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9417-8827","authenticated-orcid":true,"given":"Elizabeth M.","family":"Tsekrekas","sequence":"additional","affiliation":[{"name":"Clemson University , , , ,","place":["Clemson, South Carolina, United States, 29634"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luiz G.","family":"Jacobsohn","sequence":"additional","affiliation":[{"name":"Clemson University , , , ,","place":["Clemson, South Carolina, United States, 29634"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2024,6,29]]},"reference":[{"key":"2026081708345037100_cit1","volume-title":"Handbook\nof radioactivity analysis","author":"L\u2019Annunziata","year":"2020"},{"key":"2026081708345037100_cit2","doi-asserted-by":"publisher","first-page":"106","DOI":"10.3390\/chemosensors8040106","article-title":"Low energy\nbeta emitter measurement: a review","volume":"8","author":"Kang","year":"2020","journal-title":"Chemosens"},{"key":"2026081708345037100_cit3","volume-title":"The theory and practice\nof scintillation counting","author":"Bricks","year":"1964"},{"key":"2026081708345037100_cit4","unstructured":"IAEA\n          . 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