How to Control Component Ratio of Conducting Polymer Blend for Organic Photovoltaic Devices by Annealing

Table 1

Average photovoltaic properties of PH500 in different atmospheres at optimum annealing temperature.

Anneal. atm.	(V)	FF (%)	(mA/cm^2)	PCE (%)	Opt. ann.; temp. (°C)
Vacuum	0.625	61.85	6.7	2.58	220
N2	0.635	56.57	7.43	2.67	220
Air	0.631	61.2	5.62	2.17	220