Abstract
Nanoparticle wire and integrated nanoparticle wire array have been prepared through a green technique: discontinuous vertical evaporation-driven colloidal deposition. The conducting gold nanoparticle wire made by this technique shows ability for the sensitive electronic detection of chemical and biological molecules due to its high surface to volume ratio. Furthermore, we also demonstrate a potential usage of integrated gold nanoparticle wire array for the localized detection.
Highlights
Nanotechnology has the potential to revolutionize the future
In this paper, conducting gold nanoparticle wire and integrated wire array made by discontinuous Vertical Evaporation-driven Colloidal Deposition (VECD) are used for chemical and biological detections
As reviewed by Dahl and coworkers, VECD technique itself has been regarded as a greener effort, which reduces or eliminates the use or generation of hazardous substances,[3] for preparing various nanoparticle structures at room temperature and atmospheric pressure.[21,25]
Summary
Nanotechnology has the potential to revolutionize the future. Research on nanoscale particles has been an extremely active area with promises of advanced materials.[1,2,3,4,5,6,7] Prior to integrating various functional nanoparticles into electronic and photonic devices and catalytic reactions, the development of techniques for the precise control of the spatial arrangement of the building blocks on the nanometer and sub-nanometer levels is crucial to the design and fabrication of advanced devices.[8,9,10,11] The assembly of colloidal nanoparticles into functional structures is an exiting area of research for potential nanotechnology applications.[12]. Gold nanoparticle wire and integrated wire array for electronic detection of chemical and biological molecules
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