Figure 3.

FE-SEM images of the photoelectrodes of dye-sensitized solar cells. (a), (b), (c) (d) Top view images. (a) Without gold nanoparticles added. (b) With spherical gold nanoparticles added. (c) With short gold nanorods added. (d) With long gold nanorods added.

Meen et al. Nanoscale Research Letters 2013 8:450   doi:10.1186/1556-276X-8-450
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