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In Situ Construction of One-Dimensional Component-Interchange Organic Core/Shell Microrods for Multicolor
Ming-Peng Zhuo1, Xi-Yu Fei1, Yi-Chen Tao1
1Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices , Soochow University , Suzhou 215123 , China.
ACS Applied Materials & Interfaces
|January 15, 2019
Summary
Researchers developed novel organic core/shell microrods using 4,4'-((1 E,1' E)-(2,5-dimethoxy-1,4-phenylene)bis(ethene-2,1-diyl))dipyridine (DPEpe). These structures exhibit tunable multicolor optical waveguide properties for advanced optoelectronics.
Area of Science:
- Materials Science
- Organic Chemistry
- Nanotechnology
Background:
- Core/shell micro-/nanostructures are crucial in optics, biomedicine, catalysis, and energy due to their versatile properties.
- Organic micro-/nanocrystals are vital for miniaturized optoelectronics, offering controllable self-assembly and tunable optical characteristics.
- Advanced organic core/shell structures with multifunctionality are challenging to create due to dynamic self-assembly and complex material combinations.
Purpose of the Study:
- To demonstrate novel one-dimensional organic core/shell micro-/nanostructures with component interchangeability.
- To explore the tunable emission color and optical waveguide properties of these new structures.
- To provide a new fabrication strategy for organic core/shell micro-/nanostructures for optoelectronics.
Main Methods:
- Fabrication of 1D organic core/shell micro-/nanostructures using 4,4 extprime-((1 E,1 extprime E)-(2,5-dimethoxy-1,4-phenylene)bis(ethene-2,1-diyl))dipyridine (DPEpe) and its protonated form (DPEpe-HCl).
- Utilizing reversible protonation/deprotonation of DPEpe single-crystal microrods to create core/shell structures.
- Investigating energy transfer processes during shell formation and analyzing optical waveguide properties.
Main Results:
- Successfully fabricated DPEpe/DPEpe-HCl and DPEpe-HCl/DPEpe core/shell microrods.
- Observed tunable emission color through efficient energy transfer during stepwise shell formation.
- Demonstrated continuous adjustment of multicolor optical waveguide properties from green to yellow to red.
Conclusions:
- A new strategy for fabricating organic core/shell micro-/nanostructures with component interchangeability has been established.
- The developed structures exhibit tunable multicolor optical waveguide properties, paving the way for advanced organic optoelectronics.
- This work contributes to the development of micro-/nanoscale organic optoelectronic devices.
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