Table 1: Photovoltaic parameters obtained from J-V characteristics under solar simulator (AM 1.5 G), with the coatings of various surface fractions.

Coverage 𝜙 𝑉 o c / V 𝐽 s c /mAcm−2FFPCE/% 𝜎 (PCE)

0.00*0.5267.890.6412.670.010
0.110.5278.000.6362.680.011
0.210.5278.000.6412.700.008
0.350.5267.980.6402.680.009

*BHJ organic solar cell without the NW coating.