Stretchable scintillator composites for indirect X-ray detectors

被引：15

作者：

Oliveira, J. ^{[1
,2
]}

Correia, V. ^{[1
,2
]}

Costa, P. ^{[1
,3
]}

Francesko, A. ^{[1
]}

Rocha, G. ^{[2
]}

Lanceros-Mendez, S. ^{[1
,3
,4
]}

机构：

[1] Univ Minho, Ctr Dept Fis, P-4710057 Braga, Portugal

[2] Univ Minho, Algoritmi Res Ctr, Campus Azurem, P-4800058 Guimaraes, Portugal

[3] BCMaterial, Parque Cient & Technol Bizkaia, Derio 48160, Spain

[4] Basque Fdn Sci, IKERBASQUE, Bilbao 48013, Spain

来源：

COMPOSITES PART B-ENGINEERING | 2018年 / 133卷

关键词：

X-ray; Scintillator; Stretchable sensor; Flexible sensor; STRAIN SENSOR APPLICATIONS; BIOMEDICAL APPLICATIONS; PIEZORESISTIVE SENSORS; ELASTOMER; NANOCOMPOSITES; NANOPARTICLES; TRANSPARENT; ELECTRONICS; COPOLYMERS; GD2O3;

D O I：

10.1016/j.compositesb.2017.09.031

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Flexible and stretchable materials are increasingly being investigated for future technological platforms, polymer based materials being the most suitable candidates for those emerging technologies. This work reports on polymer based scintillator composites based on the thermoplastic elastomer Styrene-Ethylene/Butadiene-Styrene (SEBS) and Gd2O3 :Eu3+ scintillator nanoparticles, to form a polymer-based flexible and stretchable material for X-ray indirect detectors. Further, visible light yield under X-ray irradiation was improved by the inclusion of 2,5 dipheniloxazol (PPO) and (1,4-bis (2-(5-phenioxazolil))-benzol (POPOP) within the polymer matrix. Together with high levels of stretchability, with deformations up to 100%, the films exhibit suitable performance with low mechanical hysteresis (less than 1.5 MJ/m(3) for cycles up to 100% of strain) and reproducibly such as a scintillator material for the conversion of X-ray radiation into visible radiation. The decrease of just similar to 13% of the X-ray radiation into visible light upon stretching up to 100% is attributed to a reduction of the effective filler concentration and proves the suitability of the developed materials for large area and stretchable X-ray radiation detectors. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：226 / 231

页数：6

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