Effect of the Side Chains and Anode Material on Thermal Stability and Performance of Bulk-Heterojunction Solar Cells Using DPP(TBFu)₂ Derivatives as Donor Materials

Table 2

Main parameters of the fabricated solar cells.

Donor material	Anode contact	Optimum annealing , °C	PCE, %	, mV	, mA/cm^2	FF, %
(A)	PEDOT:PSS	110	3.75	865	9.39	46
(A)	MoO3	130	4.52	911	10.06	49
(B)	PEDOT:PSS	100	2.04	823	5.11	48
(B)	MoO3	140	3.29	856	7.90	49
(C)	PEDOT:PSS	110	1.49	550	6.57	41
(C)	MoO3	140	2.28	797	6.59	44

100°C in case of constant temperature and up to 160°C in case of gradual annealing (PCE > 2.50%).