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Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides
Published on: November 21, 2013
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Self-Assembly of Ultralong Aligned Dipeptide Single Crystals
Bingbing Sun1,2, Qi Li1,2, Hans Riegler3
1Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China.
ACS Nano
|September 26, 2017
Summary
Researchers developed a fast method to create ultralong, aligned dipeptide single crystals. These crystals exhibit optical waveguiding properties, advancing organic single crystal applications in functional devices.
Area of Science:
- Materials Science
- Crystallography
- Organic Electronics
Background:
- Oriented single crystals are crucial for enhancing functional device performance.
- Controlled fabrication of organic single crystals is essential for advanced applications.
Purpose of the Study:
- To develop a rapid fabrication method for ultralong, aligned dipeptide single crystals.
- To explore the potential of these crystals as waveguiding materials.
Main Methods:
- Combines induced nucleation with continuous substrate withdrawal.
- Utilizes specific evaporation and composition conditions at the three-phase contact line for controlled growth.
- Achieves fabrication speeds of millimeters per minute.
Main Results:
- Successfully fabricated ultralong (several centimeters) aligned dipeptide single crystals.
- Crystals exhibit uniform cross-sections and active optical waveguiding properties.
- Demonstrated the potential for controlled arrangement of organic single crystals.
Conclusions:
- The described method enables exceptionally fast fabrication of aligned dipeptide single crystals.
- These crystals are suitable for use as waveguiding materials.
- The approach offers guidance for arranging organic single crystals for large-scale functional devices.

