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Nonlinear optical properties of PbS quantum dots in boro-silicate glass

机译:硼硅玻璃中PbS量子点的非线性光学性质

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摘要

PbS quantum dots synthesis in boro-silicate glass is presented. Absorption bleaching of PbS quantum dots of approximate to 4 and approximate to 7 nm in diameter dispersed in this glass has been studied. Bleaching relaxation time of 20-30 ps, absorption saturation fluence of approximate to 5 mJ/cm(2) and ground-state absorption cross-section of 2 divided by 6 X 10(-17) cm(2) at the wavelengths corresponding to the first excitonic absorption band maxima are measured. (c) 2007 Elsevier B.V. All rights reserved.
机译:提出了硼硅玻璃中PbS量子点的合成方法。已经研究了分散在这种玻璃中的直径约4和约7 nm的PbS量子点的吸收漂白。漂白弛豫时间为20-30 ps,吸收饱和通量约为5 mJ / cm(2),基态吸收截面为2除以6 X 10(-17)cm(2),对应的波长为测量第一激子吸收带最大值。 (c)2007 Elsevier B.V.保留所有权利。

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