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Eu<SUP>3+</SUP>-doped Bi<sub>2</sub>MoO<sub>6</sub> phosphors for highly sensitive and visible H<sub>2</sub>S gas indicator material: optical and color properties, and gas sensing performance
- Kang, Tae Wook;
- Park, Young Ji;
- Jeong, Gyu Jin;
- Bae, Byungseo;
- Kim, Sun Woog
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6초록
Bi2MoO6:Eu3+ phosphors were synthesized by a solid state reaction, and H2S gas sensing performance was investigated. The Bi2MoO6:Eu3+ phosphors showed an excellent red emission due to f-f transition of Eu3+. Owing to the exposure to H2S gas, the emission intensity of the phosphors dramatically decreased to 40% of the initial value. The body color of the phosphor changed from yellow-white to dark brown. The response of the Bi2MoO6:Eu3+ phosphors for H2S gas was started from10 ppm, and the emission intensity exponentially decreased with increasing the concentration until 500 ppm. (C) 2021 Optical Society of America
키워드
PHOTOCATALYTIC ACTIVITY; SOLID ELECTROLYTES; SENSORS; NANOCOMPOSITE; LUMINESCENT; ZIRCONIA
- 제목
- Eu<SUP>3+</SUP>-doped Bi<sub>2</sub>MoO<sub>6</sub> phosphors for highly sensitive and visible H<sub>2</sub>S gas indicator material: optical and color properties, and gas sensing performance
- 저자
- Kang, Tae Wook; Park, Young Ji; Jeong, Gyu Jin; Bae, Byungseo; Kim, Sun Woog
- 발행일
- 2021-07
- 유형
- Article
- 저널명
- Optics Letters
- 권
- 46
- 호
- 13
- 페이지
- 3231 ~ 3234