Investigation of Thermal Instability of Additive-Based High-Efficiency Organic Photovoltaics

Table 1

The - characteristics the OPV devices with the PBDTTT-C:PC₇₁BM layers heated under different temperatures for 5 minutes.

		(V)	(mA/cm^2)	FF (%)	PCE (%) (max.)	PCE (%) (min./avg.)
Without DIO	Non	0.781	10.86	54.18	4.6	4.38/4.46
	60°C	0.778	11.12	53.55	4.63	4.39/4.57
	70°C	0.778	11.3	52.36	4.6	4.51/4.53
	80°C	0.781	11.14	52.37	4.56	4.32/4.36
	90°C	0.774	11.33	52.32	4.59	4.35/4.4
	100°C	0.767	10.68	53.71	4.4	4.2/4.32
With 3% DIO	Non	0.71	13.87	63.06	6.21	6.09/6.14
	60°C	0.719	13.88	61.16	6.11	6.03/6.07
	70°C	0.724	13.66	52.99	5.24	4.89/5.05
	80°C	0.726	13.07	51.94	4.93	4.83/4.9
	90°C	0.726	13.04	50.95	4.83	4.71/4.77
	100°C	0.725	12.68	48.24	4.43	4.13/4.26