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|Title:||Optical power limiting with solutions of hexagonal prism cage shaped transition-metal cluster Mo2Ag4S8(PPh3)4||Authors:||Ji, W.
|Issue Date:||1-Jan-1995||Citation:||Ji, W.,Shi, S.,Du, H.J.,Ge, P.,Tang, S.H.,Xin, X.Q. (1995-01-01). Optical power limiting with solutions of hexagonal prism cage shaped transition-metal cluster Mo2Ag4S8(PPh3)4. Journal of physical chemistry 99 (48) : 17297-17301. ScholarBank@NUS Repository.||Abstract:||We report the optical limiting responses of a hexagonal prism cage shaped transition metal cluster Mo2Ag4S8(PPh3)4 in acetone and acetonitrile solutions to 8-ns laser pulses. We have observed that the limiting behavior occurs in the entire visible spectrum. The limiting performance of the cluster is 1 order of magnitude better than that of a C60-toluene solution of a wavelength of 532 nm. The nonlinear absorption and refraction responsible for the limiting effect are effectively irradiance dependent. The possible underlying mechanism is discussed. With the Z-scan technique, we have determined the effective third-order absorptive and refractive nonlinearity.||Source Title:||Journal of physical chemistry||URI:||http://scholarbank.nus.edu.sg/handle/10635/91612||ISSN:||00223654|
|Appears in Collections:||Staff Publications|
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