N_2H_4和He（2~3S）、Ne（~3P_（0，2））的解离激发反应

• 作 者: 李向阳 沈关林 刘传朴 顾月姝 李学初
• 机 构: 中国科学院大连化学物理研究所，大连分子反应动力学国家重点实验室
• 出 处: 化学物理学报
• 发表日期: 1995年03期
• 关键词: He N_2H_4 Ne 化学发光 发光光谱 布居 反应机理 亚稳态 同样条件 分子反应动力学

本文利用分子束和化学发光技术，在单次碰撞条件下，首次研究了Ｎ２Ｈ４与亚稳态原子Ｈｅ（２３Ｓ），Ｎｅ（３Ｐ０，２）的解离激发反应，探测到反应的激发态产物ＮＨ（Ａ３Π）的化学发光．Ｎ２Ｈ４与Ｈｅ（２３Ｓ）的解离激发反应还探测到ＮＨ（ｃ１Π）的化学发光．同样条件下，Ｎ２Ｈ４与Ａｒ（３Ｐ０，２）作用没有观察到ＮＨ（Ａ，ｃ）的发光光谱。利用计算机模拟化学发光光谱，求得激发态产物ＮＨ（Ａ３Π）和ＮＨ（ｃ１Π）的初生态振动布居和转动温度，并对反应机理进行讨论。

In this paper, using molecular beam and chemiluminescence techniques, the dissociative excitation of N2H4 and metastable atoms He (23S) and Ne (3P0,2) were studied for the first time under single collision conditions. The excited state product NH (A3Π) chemiluminescence. The dissociative excitation of N2H4 and He (23S) also detected the chemiluminescence of NH (c1Π). Under the same conditions, the luminescence spectra of NH (A, c) were not observed under the action of N2H4 and Ar (3P0,2). Using computer simulation of chemiluminescence spectroscopy, the initial population vibration and residence temperature of excited state products NH (A3Π) and NH (c1Π) were obtained, and the reaction mechanism was discussed.