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Photodissociation dynamics of 4-aminobenzonitrile/H2O and 4-aminobenzonitrile/CH3OH cluster cations

Submission Date :
2 / 12 / 2008 , 11 : 03 : 58
Abstract Number :
101021208548
Presenting Type:
Poster Presentation
Presenting Area :
물리화학
Authors :
이미애, 남상환, 정누리, 류설, 송재규, 박승민
경희대학교 화학과,
Assigned Code :
29P20포 Assigend Code Guideline
Presenting Time :
금 <발표Ⅴ>
We have studied the photodissociation dynamics of 4ABN-(H2O)n and 4ABN-(CH3OH)n cluster cations by using the home-built linear tandem time-of-flight (TOF) mass spectrometer. When these cations of the clusters are selectively photodissociated by multi photons in the second stage, we can observe the size distribution of fragment ions. Also, we have studies spectroscopic properties of 4ABN-(H2O)n and 4ABN-(CH3OH)n cluster by employing laser-induced fluorescence and resonance-enhanced multiphoton ionization (REMPI) techniques. The (S1→S0) fluorescence excitation and REMPI spectra of 4ABN-(H2O)n and 4ABN-(CH3OH)n are presented. In addition, optimum structures of the clusters are suggested via theoretical calculations.