Non-doped Na2CO3 Ceramics as a New Radio-photoluminescence (RPL) Material

被引：22

作者：

Nakamura, Fumiya ^{[1
]}

Kato, Takumi ^{[1
]}

Nakauchi, Daisuke ^{[1
]}

Okada, Go ^{[1
]}

Kawano, Naoki ^{[1
]}

Kawaguchi, Noriaki ^{[1
]}

Yanagida, Takayuki ^{[1
]}

机构：

[1] Nara Inst Sci & Technol NAIST, 8916-5 Takayama Cho, Ikoma, Nara 6300192, Japan

来源：

CHEMISTRY LETTERS | 2017年 / 46卷 / 09期

关键词：

Radio-photoluminescence (RPL); Na2CO3; ceramics; RPL dosimeter; GLASS; LIF;

D O I：

10.1246/cl.170580

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this letter, we report a new radio-photoluminescence (RPL) material. RPL is a phenomenon that new luminescent centers are generated by ionizing radiations. Sintered Na2CO3 ceramics in a vacuum showed PL band peaking around 430 nm under 340 +/- 40 nm excitation in which the intensity increases by X-ray irradiation. This evolution indicates a generation of a luminescent center by irradiation, a clear evidence of RPL. The majority of existing RPL materials are typically doped with luminescent ions; however, the present material was not intentionally doped. The RPL signal was observed as low as 0.1 mGy, which is an equivalent sensitivity of a commercial RPL dosimeter. For these reasons, the Na2CO3 ceramic is a promising candidate for RPL dosimeters.

引用

页码：1383 / 1385

页数：3

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