Laser-induced polymerization of SiI4

Masae Takahashi; Hideki Kikuchi; Yoshiyuki Kawazoe; Andriy Dmytruk; Atsuo Kasuya; Akira Watanabe

doi:10.1016/j.cplett.2007.10.099

Laser-induced polymerization of SiI₄

Masae Takahashi, Hideki Kikuchi, Yoshiyuki Kawazoe, Andriy Dmytruk, Atsuo Kasuya, Akira Watanabe

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The laser-induced polymerization of powdered SiI₄ has been investigated by time-of-flight (TOF) mass spectroscopy combined with density functional theory (DFT) calculations. In the positive ion spectra, three series of abundant clusters (Si_n I_{2 n + 1}⁺ (n = 1-6), Si_n I_{4 n / 3 + 3}⁺ (n = 7-15), Si_n I_{3 n / 2 - 7}⁺ (n = 16-22)) were observed. DFT calculations have revealed that the abundant clusters are straight chains with iodine bridge in n = 1-6, multi-cyclic rings of pentagons in n = 7-15, and cages constructed by pentagons and hexagons in n = 16-22. A silicon-rich six-membered ring, i.e., an unsaturated ring like benzene, was detected in less abundant clusters.

Original language	English
Pages (from-to)	1-5
Number of pages	5
Journal	Chemical Physics Letters
Volume	450
Issue number	1-3
DOIs	https://doi.org/10.1016/j.cplett.2007.10.099
Publication status	Published - 2007 Dec 14

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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title = "Laser-induced polymerization of SiI4",

abstract = "The laser-induced polymerization of powdered SiI4 has been investigated by time-of-flight (TOF) mass spectroscopy combined with density functional theory (DFT) calculations. In the positive ion spectra, three series of abundant clusters (Sin I2 n + 1+ (n = 1-6), Sin I4 n / 3 + 3+ (n = 7-15), Sin I3 n / 2 - 7+ (n = 16-22)) were observed. DFT calculations have revealed that the abundant clusters are straight chains with iodine bridge in n = 1-6, multi-cyclic rings of pentagons in n = 7-15, and cages constructed by pentagons and hexagons in n = 16-22. A silicon-rich six-membered ring, i.e., an unsaturated ring like benzene, was detected in less abundant clusters.",

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T1 - Laser-induced polymerization of SiI4

AU - Takahashi, Masae

AU - Kikuchi, Hideki

AU - Kawazoe, Yoshiyuki

AU - Dmytruk, Andriy

AU - Kasuya, Atsuo

AU - Watanabe, Akira

PY - 2007/12/14

Y1 - 2007/12/14

N2 - The laser-induced polymerization of powdered SiI4 has been investigated by time-of-flight (TOF) mass spectroscopy combined with density functional theory (DFT) calculations. In the positive ion spectra, three series of abundant clusters (Sin I2 n + 1+ (n = 1-6), Sin I4 n / 3 + 3+ (n = 7-15), Sin I3 n / 2 - 7+ (n = 16-22)) were observed. DFT calculations have revealed that the abundant clusters are straight chains with iodine bridge in n = 1-6, multi-cyclic rings of pentagons in n = 7-15, and cages constructed by pentagons and hexagons in n = 16-22. A silicon-rich six-membered ring, i.e., an unsaturated ring like benzene, was detected in less abundant clusters.

AB - The laser-induced polymerization of powdered SiI4 has been investigated by time-of-flight (TOF) mass spectroscopy combined with density functional theory (DFT) calculations. In the positive ion spectra, three series of abundant clusters (Sin I2 n + 1+ (n = 1-6), Sin I4 n / 3 + 3+ (n = 7-15), Sin I3 n / 2 - 7+ (n = 16-22)) were observed. DFT calculations have revealed that the abundant clusters are straight chains with iodine bridge in n = 1-6, multi-cyclic rings of pentagons in n = 7-15, and cages constructed by pentagons and hexagons in n = 16-22. A silicon-rich six-membered ring, i.e., an unsaturated ring like benzene, was detected in less abundant clusters.

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