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In this book, we introduce hole-mask colloidal lithography and nanosphere lithography techniques for low-cost nanofabrication of large-area (about 1 cm2) plasmonic nanostructures with different complex shapes. For the first one, we use thin film PMMA-gold hole-masks, which are prepared with polystyrene colloids, combined with following tilted-angle-rotation evaporation to fabricate large-area randomly deposited plasmonic nanostructures. For the second one, we use hexagonal close-packed polystyrene nanosphere monolayers directly as evaporation masks to fabricate large-area periodic plasmonic nanostructures. We describe the fabrication process step by step, and manufacture a variety of complex plasmonic nanostructures for different sensing applications, like antenna-assisted surface-enhanced infrared absorption measurements to detect monolayer molecules; localized surface plasmon resonance liquid and gas sensing with high experimental sensitivities; as well as single-layer three-dimensional and multi-shape metasurfaces for desired optical multi-functionalities.
Info autore
Dr. Jun Zhao (22.10.1983) graduated from University ofStuttgart with a diploma in Physics in 2010 and gainedher Ph.D. degree in 2015. Her central field of research is low-cost fabrication of large-area complex plasmonic nanostructures using nanosphere lithography for optical sensingapplications.
