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Vacuum ultraviolet photolysis of (CH3)nGeCl4-n (n=0–2) molecule. Observation of the GeCl2(B̃, Ã → X̃) transitions

✍ Scribed by Toshio Ibuki

Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 407 KB
Volume: 169
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(90)85165-9

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✦ Synopsis

Methyl germaniumchlorides (CH,),GeCl._. (n=O-2), werephotolyzed at H Lyman-a (121.6nm) and Ar I (104.8 and 106.7 nm) resonance lines. Two broad emission bands were observed in the 310-370 and 390-560 nm regions. T'he former band is tentatively attributed to emission from the singlet B state of the GeCls radical,,The latter fluorescence is assigned as the GeCI, (A 'B, -+jz 'A, ) transition. The fluorescence lifetimes are 89.7 k 6.8 ns and 17.4k 0.6 p for the B and A excited states, respectively.

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