Wafer‐Scale Gold Nanomesh via Nanotransfer Printing toward a Cost‐Efficient Multiplex Sensing Platform

Abstract Multiplex sensing platforms via large‐scale and cost‐efficient fabrication processes for detecting biological chemical substance are essential many applications such as intelligent diagnosis, environmental monitoring, etc. For the past decades, performance of those sensors has been significantly improved by rapid development nanofabrication technologies. However, facile with cost‐effectiveness throughput still present challenges. Nano‐transfer printing together imprinting process shows potential efficient 100 nm structures. Herein, a wafer‐scale gold nanomesh (AuNM) structure on glass substrates scale features nano‐imprinting secondary transfer technology is reported. Furthermore, demonstrated towards biochemical detection using AuNM structures highly responsive achieving surface enhanced Raman spectroscopy (SERS), working electrodes electrochemical analysisfor metallic ions. In SERS mode, different nucleotides can be detected down to 1 n m level distinguished theirunique fingerprint patterns. As analysis Pb 2+ ions out other interfering components concentration 30 . These multimodal mechanisms provide complementary informationand pave way low‐cost high‐performance platforms.