【摘 要】
：
Ordered nanostructures are required for many applications in the field of optical,magnetic and electronic devices.With the development of Nano-optics,many interesting phenomenons are observed when lig
【机 构】
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State Key Laboratory of Bioelectronics,School of Biological Science and Medical Engineering,Southeas
【出 处】
：
2015年中国生物医学工程联合学术年会
论文部分内容阅读
Ordered nanostructures are required for many applications in the field of optical,magnetic and electronic devices.With the development of Nano-optics,many interesting phenomenons are observed when light interacts with such microstructures such as surface plasmon resonance(SPR),which are commonly used for bio-sensing,chemical analysis and microscopic technique based on SERS substrates.Colloidal lithography based on monolayer colloidal crystals(MCCs)is a facile,inexpensive,efficient nanofabrication approaches towards the substrates with a wide variety of two-dimensionally(2D)patterned nanostructures.In order to fabricate large-scale monolayer colloidal crystals,many methods have been attempted.Those method can be concluded into five categories: dip-coating,drop-coating,spin-coating,electronic deposition and self-assemble at the interface of gas-liquid.For a typical self-assembled monolayer,a colloidal suspension is spread ontoa liquid surface through a capillary with a sharp end.The nanoparticle quickly self-assembled into a large monolayer covering the water surface,which is picked up by a clean and hydrophilic substrate.Many cracks are still found on the monolayer during the practice.We modify the experiment in order to eliminate those cracks.Sodium dodecyl sulfate(SDS)solution is added to consolidate connection among particles.A stage is immerged into water with particles self-assembling at the water surface.Monolayer can be finally transferred onto the substrate placed on top of the stage to avoid any possible vibration during manual operation.
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