title: Wire-on-wire growth of fluorescent organic heterojunctions.
abstract: 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.
authors.affiliation: Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
authors.forename: Jian Yao
authors.initials: JY
authors.lastname: Zheng
authors.forename: Yongli
authors.initials: Y
authors.lastname: Yan
authors.forename: Xiaopeng
authors.initials: X
authors.lastname: Wang
authors.forename: Yong Sheng
authors.initials: YS
authors.lastname: Zhao
authors.forename: Jiaxing
authors.initials: J
authors.lastname: Huang
authors.forename: Jiannian
authors.initials: J
authors.lastname: Yao