| 1，2-和1，4-萘醌248 nm激光光解的瞬态吸收光谱研究 |
| |
| 引用本文： | 陈家富,储高升,徐相凌,张志成,姚思德.1，2-和1，4-萘醌248 nm激光光解的瞬态吸收光谱研究[J].化学物理学报,2000,13(2):145-148. |
| |
| 作者姓名： | 陈家富 储高升 徐相凌 张志成 姚思德 |
| |
| 作者单位： | 中国科学技术大学应用化学系合肥 230026,中国科学技术大学应用化学系合肥 230026,中国科学技术大学应用化学系合肥 230026,中国科学技术大学应用化学系合肥 230026,中国科学院上海原子核所辐射化学开放实验室上海 201800 |
| |
| 基金项目： | 中国科学院上海原子核所辐化开放实验室资助项目。 |
| |
| 摘 要： | 利用纳秒级激光光解动态吸收光谱装置，研究１，２－和１，４－萘醌中性水溶液的瞻态吸收光谱，发现１，２－萘醌及，１，４－萘醌被光电离合形成的阳离子自由基在３８０ｎｍ均有最大吸收，但１，４－萘阳离子自由基在衰变过程中又形成了两种新的活性粒子，它们的最大吸收分别位于４１０和５８０ｎｍ，分析表明：４１０ｎｍ属于１，４－蔡醌脱氢自由基的吸收，而５８０ｎｍ很可能归属由于于４１０和５８０ｎｍ，分析表明：４１０ｎｍ
|
| 关 键 词： | 1 2－萘醌 1 4－萘醌 动态吸收光谱 激光光解 |
| 收稿时间： | 1998/11/2 0:00:00 |
248nm Laser Photolysis Studies of 1, 2- and 1, 4-Naphthaquinone with Kinetic Absorption Spectra |
| |
| Chen Jiafu,Chu Gaosheng,Xu Xianglin,Zhang Zhicheng and Yao Side.248nm Laser Photolysis Studies of 1, 2- and 1, 4-Naphthaquinone with Kinetic Absorption Spectra[J].Chinese Journal of Chemical Physics,2000,13(2):145-148. |
| |
| Authors: | Chen Jiafu Chu Gaosheng Xu Xianglin Zhang Zhicheng and Yao Side |
| |
| Institution: | Applied Chemistry Department, University of Science and Technology China, Hefei 230026,Applied Chemistry Department, University of Science and Technology China, Hefei 230026,Applied Chemistry Department, University of Science and Technology China, Hefei 230026,Applied Chemistry Department, University of Science and Technology China, Hefei 230026,Laboratory of Radiation Chemistry, Academia Sinica Shanghai Institute of Nuclear Research, Shanghai 201800 |
| |
| Abstract: | The characterization of photochemistry of 1, 2- and 1, 4-NQ in neutral aqueous solution was investigated by using 248 nm laser photolysis kinetic absorption spectra equipment.It was found that the maximum absorption peak of 1, 2-NQ and 1,4-NQ cation radical all were around 380nm, but two new species were formed with the decay of 1,4-NQ cation radical with the maximum absorption at 410 and 580nm respectively, data analysis demonstrated that the species with absorption at 410nn was assigned to the dehydrogenated radical, and the absorption at 580 nm could be attributed to the transient product of electron transfer process.Whereas 1,2-NQ in neutral aqueous solution can be monophotonic ionized by 248 nm laser. |
| |
| Keywords: | 1 2-NQ 1 4-NQ Kinetic absorption spectra Photoionization Laserphotolysis |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《化学物理学报》浏览原始摘要信息 |
| 点击此处可从《化学物理学报》下载免费的PDF全文 |
|
