The authors would like to acknowledge the state-of-the-art nanofabrication and characterisation facilities by the Indian Nanoelectronics Users Program(INUP)of IIT Bombay.The authors also acknowledge the Science and Engineering Research Board(SERB-DST),India(EEQ/2017/000370),for providing financial support for this research.
The proposed work aims to develop a sensitive surface-enhanced Raman spectroscopy(SERS)nano-biosensor.The inverted nano pyramid array on silicon substrate fabricated using electron beam lithography(EBL)was utilised as...