Gold Nanorods Incorporated Cathode for Better Performance of Polymer Solar Cells

Table 1

The average PV parameters for pristine and P3HT : PCBM/Au NRs devices with 1, 3, and 5 layers of the rods and their corresponding standard deviation. 𝑅_𝑆 was extracted from the inverse of the slope of the JV characteristics in the dark condition at 0.8 V.

Device type	Rods density (cm^−2)	𝑉oc (V)	𝐽sc (mA/cm^2)	𝑅𝑆 (Ωcm^2)	FF%	PCE%
Reference-no rods	—	0.58	−4.61±0.19	10.5	59.4	1.56±0.03
1 layer Au NRs	∼8×10^8	0.58	−4.82±0.11	10.5	62.6	1.78±0.03
3 layers Au NRs	∼1×10^9	0.58	−4.24±0.05	18.2	60.9	1.46±0.01
5 layers Au NRs	∼4×10^9	0.58	−4.61±0.02	22.2	56.2	1.47±0.01