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Integrating reaction chemistry into molecular electronic devices
Qian Shen1, Xuefeng Guo, Michael L Steigerwald
1Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China.
Chemistry, an Asian Journal
|March 25, 2010
Summary
Researchers are developing novel molecular electronic devices by using chemical reactions to bridge nanoscale gaps between electrical contacts. This approach merges top-down fabrication with bottom-up assembly for advanced circuit creation.
Area of Science:
- Molecular electronics
- Nanotechnology
- Chemical synthesis
Background:
- Traditional semiconductor fabrication faces challenges with nanoscale dimensions.
- Bridging nanogaps in molecular electronic devices is crucial for circuit completion.
Purpose of the Study:
- To review the design and fabrication of molecular electronic devices.
- To highlight the role of reaction chemistry in creating molecular bridges.
Main Methods:
- Combining top-down semiconductor fabrication with bottom-up self-assembly.
- Utilizing programmed chemical reactions to form covalent bonds across nanogaps.
- Modifying electrodes and completing electrical circuits through chemical connections.
Main Results:
- Demonstration of new molecular electronic device families.
- Efficient covalent bridging of nanogaps using reaction chemistry.
- Successful integration of fabrication and assembly techniques.
Conclusions:
- Reaction chemistry offers an efficient method for fabricating molecular electronic devices.
- The integration of top-down and bottom-up approaches enables advanced nanoscale circuit construction.
- This strategy allows for precise modification of electrodes and circuit completion at the molecular level.
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