The article presents a commentary for the recent publication on nanocrytalline silicon thin films for heterojunction solar (SHJ) cells. The aim of the communication is to highlight some of the important mechanism discussed in the report for improved structure and interface properties which results in better device fill factor and hence enhanced efficiency. Furthermore, the discussion has been extended to present some of the recent literatures which have followed the similar guidelines for material synthesis with improved optical gain in applications of SHJ solar cells.

Nanocrystalline silicon, Heterojunction solar cell, Silicon photovoltaic, Carrier selective layer