Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 6, Pages 2880-2883Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja209815f
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Funding
- National Natural Science Foundation of China [21125315, 91022022, 51073164]
- Chinese Academy of Sciences
- National Basic Research Program (973 Program) of China
- Alfred P. Sloan Foundation
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Dendritic organic heterojunctions with aluminum tris(8-hydroxyquinoline) (Alq(3)) microwire trunks and 1,5-diaminoanthraquinone (DAAQ) nanowire branches were prepared by a two-step growth process. The prefabricated Alq(3) microwires act as nucleation centers for site-specific secondary vapor growth of DAAQ nanowires, resulting in the unique dendritic heterostructures. When the trunk was excited with a focused laser beam, emitted light of various colors was simultaneously channeled from the branched nanowires via both waveguiding and energy transfer. The intensity of the out-coupled emissions was modulated effectively by changing the polarization of the incident light.
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