Citation:
TANG Xiao-Shuan, WANG Hong-Mei, HAN Hai-Yan, LI Jian-Quan, JIN Shun-Ping, HUANG Guo-Dong, CHU Yan-Nan, ZHANG Wei-Jun, ZHOU Shi-Kang. Chemiluminescence of Alkyl Bromides Reaction with Active Nitrogen[J]. Acta Physico-Chimica Sinica,
;2005, 21(04): 392-396.
doi:
10.3866/PKU.WHXB20050410
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Active nitrogen has been prepared by hollow-cathode discharge of N2 in a flowing afterglow system. Strong emission spectra of NBr(b1Σ+→X3Σ-) have been observed when alkyl bromides (CHBr3, CH2Br2, C2H5Br, C4H9Br) are added to a stream of active nitrogen. In addition, weak CN(A2π, B2π→X2Σ+) emission spectra have been detected only in the case of CHBr3 or CH2Br2 as reagents. Some tentative experiments show that the electronically excited NBr(b1Σ+) is formed by mechanism of metastable N2(A3Σu+) electronic-to-electronic energy transfer from ground state NBr(X3Σ-), which is from the reaction of N(4S) with alkyl bromides. The excited CN (A2π, B2π) comes from the reaction of N(4S) with CBr formed due to CHBr3(or CH2Br2) dissociation by N2(A3Σu+).
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