期刊
NANOSCALE
卷 4, 期 15, 页码 4393-4398出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr30197k
关键词
-
类别
资金
- China Scholarship Council
- Fundamental Research Funds for the Central Universities [LZUjbky-2010-78]
- AFOSR [FA9550-08-1-0382, GRT00008581/RF60012388]
- MURI [444286-P061716]
- NSF [ECS-0601345, DMR-9871177]
- National Institutes of Health [NIH 1R21CA121841-01A2]
- Center for Solar and Thermal Energy Conversion, an Energy Frontier Research Center
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0000957]
- EFRI-BSBA [0938019]
- CBET [0933384, 0932823]
- Directorate For Engineering [0938019] Funding Source: National Science Foundation
- Emerging Frontiers & Multidisciplinary Activities [0938019] Funding Source: National Science Foundation
Application of nanocomposites in MEMS, flexible electronics, and biomedical devices is likely to demonstrate new performance standards and resolve a number of difficult technical problems enabled by the unique combinations of electrical, optical, and mechanical properties. This study explores the possibility of making microscale nanocomposite patterns using the fusion of two highly versatile techniques: direct-write maskless UV patterning and layer-by-layer assembly (LBL). Together they can be applied to the production of a wide variety of nanostructured coatings with complex patterns. Single-walled carbon nanotube (SWNT) and gold nanoparticle LBL nanocomposites assembled with chitosan (CH) were made into prototypical patterns such as concentric helices and bus-line-and-stimulation-pads (BLASPs) used in flexible antennas and neuroprosthetic devices. The spatial resolution of the technique was established with the standard line grids to be at least 1 mm. Gold nanoparticle films revealed better accuracy and higher resolution in direct-write patterning than SWNT composites, possibly due to the granular rather than fibrous nature of the composites. The conductivity of the patterned composites was 6.45 x 10(-5) Omega m and 3.80 x 10(-6) Omega m at 20 degrees C for nanotube and nanoparticle composites, respectively; in both cases it exceeds electrical parameters of similar composites. Fundamental and technological prospects of nanocomposite MEMS devices in different areas including implantable biomedical, sensing, and optical devices are discussed.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据