Influences of InGaP Conical Frustum Nanostructures on the Characteristics of GaAs Solar Cells

Table 1

Current density-voltage characteristics of the GaAs solar cells with various heights of the InGaP conical frustum nanostructure. The top diameter is kept as a constant value of 380 nm.

Sample	𝑉oc  (V)	𝐽sc  (mA/cm^2)	FF (%)	Eff. (%)
Planar cell	0.996	13.558	83.04	11.08
60 nm	0.995	14.030	83.46	11.66
100 nm	0.993	14.242	84.52	11.95
140 nm	0.973	13.477	84.84	11.13