Table 4. The variation of key parameters of OSCs with front and back work functions.

Work function of electrode (eV)		V OC (V)	J SC (mA cm−2)	FF (%)	PCE (%)
Front electrode	3.8	1.271	15.261	87.347	16.947
	4.0	1.178	15.260	80.477	14.469
	4.2	0.981	15.259	76.879	11.514
	4.4	0.781	15.258	71.987	8.583
	4.6	0.581	15.256	64.265	5.701
Back electrode	4.8	1.264	14.399	85.570	15.586
	5.0	1.269	14.403	87.430	15.980
	5.2	1.270	14.894	87.386	16.534
	5.4	1.271	15.261	87.347	16.947
	5.6	1.271	15.262	87.347	16.948