Positron annihilation study of singlet oxygen o induced by laser

WANG Yunyu ZHANG Renwu GUO Yinghuan YANG Juhua

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Positron annihilation study of singlet oxygen o induced by laser

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- Positron annihilation study of singlet oxygen o induced by laser
- NUCLEAR TECHNIQUES Issue 2, (1998)
- 作者机构：
  
  1. 中国科学院高能物理研究所
  2. 中国科学院核分析技术联合开放研究实验室
  3. 中国科学院高能物理研究所中国科学院核分析技术联合开放研究实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN249
- Published：01 February 1998
- 稿件说明：
移动端阅览
[1]王蕴玉,张仁武,郭应焕,杨巨华.用激光诱导产生~1O_2的正电子湮没研究[J].核技术,1998(02):74-78.

WANG Yunyu ZHANG Renwu GUO Yinghuan YANG Juhua. Positron annihilation study of singlet oxygen o induced by laser[J]. Nuclear techniques, 1998, (2).
[1]王蕴玉,张仁武,郭应焕,杨巨华.用激光诱导产生~1O_2的正电子湮没研究[J].核技术,1998(02):74-78. DOI：

WANG Yunyu ZHANG Renwu GUO Yinghuan YANG Juhua. Positron annihilation study of singlet oxygen o induced by laser[J]. Nuclear techniques, 1998, (2). DOI：

摘要

用正电子素ｏ－Ｐｓ研究以亚甲兰为光敏剂在甲酸和水体系中激光诱导单态氧￣１Ｏ＿２的形成。理论推导了ｏ－Ｐｓ湮没率的改变与亚甲兰浓度之间的关系。经与实验结果对照证实了单态氧的产生

Abstract

The singlet oxygen O induced by laser in a methanol- water system with photosensitizer

methylene blue （MB）

was probed by positronium. According to the theory of positron annihilation and chemical reaction kinetics

the relation between concentration of MB and variation of positron annihilation rate caused by

was deduced. The experimental results agree with the theory

confirming the formation of 1O2 in such a photochemical reaction.

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