What are benefits/demerits of having large nano structures(70-90 nm) in charge transport layer for OLEDs/OPVS/Perovskite solar cells?

i wanted benefits or demerits of having benefits/demerits of having large nano structures(70-90 nm) in charge transport layer such as electron transport layer or hole transport layer for...

22 September 2017 4,222 3 View