Design and Fabrication of a Large Scale Electric Field Array Device for Directed Self-Assembly of Multilayer BioDerivatized Nanoparticle Materials

被引:0
作者
Heller, Michael J. [1 ,2 ]
Song, Youngjun [3 ]
机构
[1] Univ Calif San Diego, Dept Nanoengn, Atkinson Hall,Rm 2312, La Jolla, CA 92093 USA
[2] Univ Calif San Diego, Dept Bioengn, La Jolla, CA 92093 USA
[3] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
来源
NANOTECHNOLOGY 2012, VOL 2: ELECTRONICS, DEVICES, FABRICATION, MEMS, FLUIDICS AND COMPUTATIONAL | 2012年
关键词
electric field; array devices; self-assembly; bottom-up; top-down; nanofabrication; nanoparticles; nanocomposites; HIGHER-ORDER STRUCTURES; DERIVATIZED NANOPARTICLES; HYBRIDIZATION;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In earlier work, an electronic microarray device was used to carry out a bottom-up approach for the directed self-assembly of higher order 3D structures from biotin/streptavidin, DNA and enzyme derivatized nanoparticles. Structures with up to fifty layers of alternating biotin and streptavidin, DNA and enzyme nanoparticles were fabricated using a 400 site CMOS microarray system with 50 micron electrode structures. In this process, reconfigurable electric fields produced by the microarray were used to rapidly transport, concentrate and accelerate the binding of 40 and/or 200nm nanometer bio-derivatized nanoparticles to selected sites on the microarray. The nanoparticle layering process takes less than one minute per layer. The nanoparticle addressing/binding process was monitored by changes in fluorescence intensity as each nanoparticle layer was deposited. The final multilayered 3-D structures were about two microns in thickness and 50 microns in diameter. In order to make nanoparticle layered materials with macroscopic x-y dimensions (centimeter sizes), a large scale (4") silicon wafer based electronic array device has now been designed and fabricated. The overall goal is to use the large scale device to produce fmal photovoltaic/battery prototype materials composed of layered nanoparticles and conductive polymers.
引用
收藏
页码:459 / 462
页数:4
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