期刊
NANO LETTERS
卷 10, 期 11, 页码 4673-4679出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl1029557
关键词
Quantum dots; deterministic assembly; electroosmotic flow; feedback control
类别
资金
- DARPA Defense Science Office [W31P4Q0910013]
- National Science Foundation [ECCS - 0846494]
- Physics Frontier Center at the joint Quantum Institute
- Office of Naval Research Applied Electromagnetics Center
We demonstrate a technique for the precise immobilization of nanoscale objects at accurate positions on two-dimensional surfaces. We have developed a water-based photoresist that causes nanostructures such as colloidal quantum dots to segregate to a thin layer at surfaces. By combining this material with electroosmotic feedback control, we demonstrate the ability to position selected, individual quantum dots at specific locations and to immobilize them with 130 nm precision via localized UV exposure.
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