Development and Performance Test of Deep Ultraviolet-Visible Photoacoustic Spectroscopy System for Nonradiative Deactivation Characterization in Phosphor Materials

被引：3

作者：

Fujimoto, Yutaka ^{[1
]}

Nakauchi, Daisuke ^{[2
]}

Yanagida, Takayuki ^{[2
]}

Koshimizu, Masanori ^{[1
]}

Fukada, Haruki ^{[3
]}

Hayashi, Yamato ^{[1
]}

Asai, Keisuke ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Appl Chem, Sendai, Miyagi 9808579, Japan

[2] Nara Inst Sci & Technol, Grad Sch Mat Sci, 8916-5 Takayama, Ikoma, Nara 6300192, Japan

[3] Kanazawa Inst Technol, Elect & Elect Engn, 7-1 Ohgigaoka, Nonoichi, Ishikawa 9218501, Japan

来源：

SENSORS AND MATERIALS | 2020年 / 32卷 / 04期

关键词：

photoacoustic spectroscopy; nonradiative deactivation; scintillator; Ce:Y3Al5O12; SCINTILLATION PROPERTIES; X-RAY; PHOTOLUMINESCENCE; LUMINESCENCE; CRYSTALS;

D O I：

10.18494/SAM.2020.2746

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We developed a deep-ultraviolet-visible photoacoustic (PA) spectroscopy system for the evaluation of nonradiative deactivation in phosphor materials. The system consists of a xenon arc lamp of 300 W with an aspherical condensing mirror, a monochromator, a mechanical chopper to modulate the monochromatic light at a certain frequency of 10-100 Hz, and a single optical fiber. The acoustic signal from the sample was counted with an electret microphone connected to a preamplifier, a sound level meter unit, and a lock-in amplifier. 0.25, 0.5, and 1.0 mol% Ce-doped Y3Al5O12 crystalline samples were evaluated for the performance test of the system. From the evaluation, an inverse correlation among fluorescence quantum efficiency, scintillation light yield, and PA signal was experimentally confirmed.

引用

页码：1453 / 1459

页数：7

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