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Citation: Shi Daojun, Zheng Guanglin, Huang Xiaolan. STUDY ON THE OPTICAL DEVELOPMENT OF FREE RADICAL PHOTOGRAPHY——THE ENERGY TRANSFER MECHANISM AND KINETIC[J]. Chinese Journal of Applied Chemistry, ;1984, 1(2): 13-18. shu

STUDY ON THE OPTICAL DEVELOPMENT OF FREE RADICAL PHOTOGRAPHY——THE ENERGY TRANSFER MECHANISM AND KINETIC

1.
Institute of Chemistry, Academia Sinica, Beijing

Received Date: 15 November 1983
Available Online: 25 January 1984

The effects of heavy——atom compounds and atmospheres on the opticaldevel opment rate of CBr₄-LCV (Leuco Crystal Violet) free radical film have been studied. It was found that the development rate is. increased in the presence of heavy-atom compounds:CHI₃, p-iodoaniline and triphenyl-bismuth in the film or the optical development proceeds in nitrogen and is decreased when the film is developed in oxygen, indicating the possibi-lity of T-T energy transfer mechanism. The ratio of rate constant K₀ innitrogen to K in the mixture of N₂/O₂ follows the equation K₀/K=1+α[O₂] where α is the quenching constant. In the main period of the optical development the following relation-ship between optical density(D) and time(t) is also found to be existed D=D₀+Kt, where D₀ is the experimental constant, K and t are the optical development rate constant and time, respectively.
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