.Multiphoton ionization of acetone-water clusters at 355 nm[J].Optoelectronics Letters,2006,2(5):396-398 Multiphoton ionization of acetone-water clusters at 355 nm WANG Reng KONG Xiang-he ZHANG Shu-dong ZHANG Xia FAN Xing-yan ZHAO Shu-yan [1]Department of Physics, Oufu Normal University, Oufu 273165, China [2]Institute of Laser Research, Qufu Normal University, Qufu 273165, China Abstract:       The multiphoton ionization of acetone-water clusters were detected at 355 nm laser wavelength by using the time of flight mass spectrometer (TOF-MS). The experiments show that all products are protonated. Three main products such as (CH3COCH3)n-(H2O)n−2H+, (CH3COCH3)n-(H2O)n−1 H+ and (CH3COCH3)n−(H2O)nH+ are concluded from the results. In order to study the equilibrium structures of the (CH3COCH3)n−(H2O)n−2H+, the ab-initio calculation is used on them. The experiment is even done when the volume rate of acetone to water is 1∶2. Hits: 3648 Download times: 182 View Full Text    Download reader