Electron Microscopy and Optical Characterization of Cadmium Sulphide Nanocrystals Deposited on the Patterned Surface of Diatom Biosilica

<table>TEM EDX spectrum details the chemical composition of the CdS-coated frustule shown in the insert. The red dot is the spot where the chemical composition was taken.  The Cu peak is an artifact of the TEM grid.</table>

Journal of Nanomaterials

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Figure 4

Figure 4: Electron Microscopy and Optical Characterization of Cadmium Sulphide Nanocrystals Deposited on the Patterned Surface of Diatom Biosilica 