Polvmer-BiI3 composites for high-performance, room-temperature, direct X-ray detectors

被引：7

作者：

Chaudhari, Ritu ^{[1
]}

Kant, Chhaya Ravi ^{[1
]}

Garg, Alka ^{[2
]}

机构：

[1] Indira Gandhi Delhi Tech Univ Women, Dept Appl Sci & Humanities, Delhi 110006, India

[2] Univ Delhi, Gargi Coll, Siri Ft Rd, New Delhi 110049, India

来源：

MRS COMMUNICATIONS | 2022年 / 12卷 / 03期

关键词：

CRYSTAL;

D O I：

10.1557/s43579-022-00185-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Low-energy X-rays have a predominant role in medical diagnostic applications, grown tremendously during recent Covid-19 pandemic times. Synthesis of stable, PMMA/polystyrene-BiI3 composites has been done through a facile, low-cost, dry-tumble mixing technique for direct X-ray detector applications. Comparative analysis of structural, optical, and photocurrent responses upon irradiation with low-energy X-rays (30 and 60 kV) ensue that PS-BiI3 demonstrates high SNR 3300, sensitivity 189 mu C Gy(-1) cm(-3) and fast response time 30 ms, at dose rate 1.68 mGy s(-1), affirming the composite to be prospective candidate for low-energy, room-temperature, direct X-ray detectors under low bias conditions.

引用

页码：358 / 364

页数：7

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