Chahadih, Abdallah and El Hamzaoui, Hicham and Bernard, Rémy and Bois, Laurence and Beclin, Franc and Cristini, Odile and Capoen, Bruno and Bouazaoui, Mohamed (2011) Continuous laser direct-writing of PbS nanoparticles inside transparent silica monoliths. Journal of Nanoparticle Research, 13 (12). pp. 6507-6515.
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Direct space-selective growth of PbS nanoparticles, embedded inside a transparent porous sol–gel derived silica matrix, has been achieved using continuous laser irradiation. Before the irradiation, the porous silica host has been soaked in a PbS precursor solution. The effect of the concentration of PbS precursors and of the incident laser power on the mean particle size was studied. Absorption spectroscopy, X-ray diffraction analysis, and TEM measurements were used to identify the PbS crystallites inside the xerogel and to estimate the average particle size. It has been shown that PbS crystallite sizes range between 3 and 13 nm depending on the PbS precursors concentration.
|Deposited By:||Prof. Alexey Ivanov|
|Deposited On:||05 Jan 2012 09:30|
|Last Modified:||05 Jan 2012 09:42|
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