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Citation: Lu Qing-Zheng, Shi De-Heng, Yu Zhi-Guang, Ma Xing-Xiao, Kong Fan-Ao. Multiphoton Ionization Spectrum and Mass Measurement of Tetramethylsilane[J]. Acta Physico-Chimica Sinica, ;1992, 8(04): 536-539. doi: 10.3866/PKU.WHXB19920422 shu

Multiphoton Ionization Spectrum and Mass Measurement of Tetramethylsilane

1.
Department of Modern Chemistry, University of Science and Technology of China, Hefei 230026

Received Date: 28 April 1991
Available Online: 15 August 1992

MPI spectrum of Si(CH_3)_4 has been measured in the wavelength range of 410—370 nm. Most of the peaks with strong background were assigned to (2+1) ionization of Si atoms initiated from their ground state 3~3P_J and the first singlet state 3~1D_2. TOF mass spectra showed that Si~+, C_2~+ were the major products at lower laser energy, whereas more ions Si(CH_3)_n~+ (n=1—4), even silicon carbide ion C_3Si~+, appeared at higher energy.
- Multiphoton; Mass detection; Tetramethylsilane
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