Leuco-Based Composite Resin Dosimeter Film | Zendy

Takato Iwata | Zendy; Kenji Kinashi | Zendy; Hoan Ngoc Doan | Zendy; Phu Phong Vo | Zendy; Wataru Sakai | Zendy; Naoto Tsutsumi | Zendy

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Leuco-Based Composite Resin Dosimeter Film

Author(s) -

Takato Iwata,

Kenji Kinashi,

Hoan Ngoc Doan,

Phu Phong Vo,

Wataru Sakai,

Naoto Tsutsumi

Publication year - 2019

Publication title -

acs omega

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.9b00435

Subject(s) - dosimeter , materials science , cerium , polystyrene , yttrium , composite number , dosimetry , scintillator , nuclear chemistry , composite material , optics , nuclear medicine , chemistry , polymer , metallurgy , oxide , medicine , physics , detector

A polystyrene (PS)-based composite resin dosimeter (CRD) film comprising 2-(phenylamino)-6-(dipentylamino)-3-methylspiro[9 H -xanthene-9,3'-phthalide] (Black305) fluoran leuco dye, cerium-doped yttrium aluminum perovskite YAlO 3 :Ce (YAP:Ce) scintillator, and 2-(4-methoxystyryl)-4,6-bis(trichloromethyl)-1,3,5-triazine (MBTT) photoacid generator was developed for the visualization of X-ray exposure doses in the range of 18-170 Gy. The color of the CRD film changed from yellow to black within this range based on the X-ray exposure dose. A CRD film based on Black305/YAP:Ce/MBTT/PS could be used to produce a dosimeter with various color change sensitivities by controlling the thermodynamic parameters of the constituent materials. A CRD film is a promising tool for measuring the X-ray exposure dose and can be used as an alternative to the existing radiochromic dosimeters.

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