Highlights
● The important influence of PEDOT:PSS/Si interface contact on hybrid solar cell performance is reviewed.
● Fluid properties of PEDOT:PSS solution on Si surface with different Micro/Nano structures are studied.
● Three kinds of methods to improve the performance of PEDOT:PSS/Si hybrid solar cells are provided.
● Combining the optical and the electrical properties to improve the performance of PEDOT:PSS/Si hybrid solar cells.