Quantum-yield computation for photo-initiators based on photometric analysis

Peng Li; Zhimin Zhao; Xiaoqin Hong; Hongmin Yu

doi:10.1117/12.810689

30 December 2008 Quantum-yield computation for photo-initiators based on photometric analysis

Peng Li, Zhimin Zhao, Xiaoqin Hong, Hongmin Yu

Proceedings Volume 7268, Smart Structures, Devices, and Systems IV; 72681Y (2008) https://doi.org/10.1117/12.810689
Event: SPIE Smart Materials, Nano- and Micro-Smart Systems, 2008, Melbourne, Australia

Abstract

In this paper, the kinetic equation of photo-initiated reaction was set up by measuring the photoinitiator absorbency and the exposure time during the exposure process based on the spectroscopic analysis and reaction kinetics. And an effective and convenient computation model for quantum yields of photoinitiators was established through further analysis of the exposure process. The kinetics curve of photoinitiator 1173 (HMPP) was determined according to this method. The results show that the reaction is consistent with the kinetic model established in this paper. And the quantum yield is 2.4% at the main absorption peak (247nm).

Citation Download Citation

Peng Li, Zhimin Zhao, Xiaoqin Hong, and Hongmin Yu "Quantum-yield computation for photo-initiators based on photometric analysis", Proc. SPIE 7268, Smart Structures, Devices, and Systems IV, 72681Y (30 December 2008); https://doi.org/10.1117/12.810689

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