Experimental study on the system of Cl/Cl_2/He/HN_3/I_2

摘要

Using a microwave generator, chlorine diluted by helium was dissociated to chlorine atoms that subsequently reacted with hydrogen azide to produce the excited states of NCl(a~1Δ). Meanwhile, molecular iodine with carrier gas of helium reacted with atomic chlorine to produce atomic iodine which then was pumped to excited state of I(~2P_(1/2) by an energy transfer reaction from NCl(a~1 Δ). In this paper, the changes of NCl(a~1Δ) and NCl(b~1Σ) emission intensity is presented whenI _2/He is introduced into the stream of Cl/Cl_2/He/HN_3/NCl(a~1 Δ)/NCl(b~1 Σ). The dependences of atomic iodine I(~2P_(1/2)) on flow rates of gases were also investigated. The optimum parameters for I(~2P_(1/2)) production are given.