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. 2015 Oct 21;5(4):1732–1755. doi: 10.3390/nano5041732

Figure 4.

Figure 4

Schematic illustrations of SWCNH-H2P structure and a photoelectrochemical solar cell of OTE/SnO2/SWCNH-H2P. Reproduced with permission of [47]; American Chemical Society, 2008.