Figure 4From: Direct formation of gold nanoparticles on substrates using a novel ZnO sacrificial templated-growth hydrothermal approach and their properties in organic memory deviceSEM images of AuNPs formed using the ZnO sacrificial template annealed at various temperatures. (a) Non-annealed, (b) 200°C, (c) 300°C, and (d) 400°C.Back to article page