[9p-PB3-1~28] 12.1 Fabrications and Structure Controls

△ [9p-PB3-4] Morphology Changing of Charge Transfer Crystals and their Formation Processes

〇(D)Masaki Takeda¹, Keitaro Tozawa², Jun Matsui³, Akito Masuhara^1,4 (1.Grad. Sch. of Sci. and Eng., Yamagata Univ., 2.Fac. of Eng., Yamagata Univ., 3.Fac. of Sci., Yamagata Univ., 4.ROEL, Yamagata Univ.)

Keywords:charge transfer crystal, two-step reprecipitation method, core-shell structure

We prepared charge transfer crystals (CTCs) of TTF-TCNQ with nanorods and nanorods-coated-rhombic structure using the two-step reprecipitation method. TTF-TCNQ nanorods were formed regardless of the injection order of the solutions whereas nanorods coated rhombic microcrystals were only formed by injecting the TTF/THF solution to the TCNQ particle dispersion. It was concluded TTF-TCNQ CTC was grown from the rhombic TCNQ crystal because of its high crystallinity. We believe that the core-shell CTC will contribute to more deeply understanding the interaction between CT crystals, and proposed process could be applied for numerous CT materials to realize new opto-electrical properties and phenomena.