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An effective method for incorporating cadmium ions into mesoporous silica SBA-15 is demonstrated. One of the novel features is the assembly of CdS nanoparticles inside the mesopores by selectively functionalizing the external surface of SBA-15 in order to avoid the possible adsorption of the cadmium ions onto this surface. The Figure shows a TEM image with the beam direction parallel to the pore.
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Wang et al. (2002) studied this question.
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