【摘要】：選取易于制備的MOFs(ZJU-28)為功能性載體,將具有非線性光學性質(zhì)的2種陽離子染料DB和TM與載體孔道中的二甲胺陽離子進行交換,實現(xiàn)陽離子型有機熒光離子在金屬有機框架中定向組裝,獲得具有非線性光學效應的復合材料。強極性染料離子DB和TM在晶體孔道中的定向排布,改變了原有MOFs晶體的中心對稱性。通過共聚焦顯微鏡觀察到,原來不具有非線性光學效應的ZJU-28晶體通過有機陽離子交換后,形成的DB@ZJU-28和TM@ZJU-28復合材料具有較強的倍頻效應和雙光子熒光。
[Abstract]:Two kinds of cationic dyes DB and TM with nonlinear optical properties were exchanged with dimethylamine cations in carrier channels by using MOFs (ZJU-28), which is easy to prepare, as functional carrier. The cationic organic fluorescent ions were assembled in organometallic frame and the composites with nonlinear optical effect were obtained. The directional placement of DB and TM in the crystal pore changed the central symmetry of the original MOFs crystal. It was observed by confocal microscope that the DB@ZJU-28 and TM@ZJU-28 composites formed by organic cation exchange without nonlinear optical effect had strong frequency doubling effect and two-photon fluorescence.
【作者單位】： 安徽大學功能無機材料化學安徽省重點實驗室;南京大學配位化學國家重點實驗室;
【基金】：國家自然科學基金(No.51432001) 高等教育振興規(guī)劃人才工程(2013)資助項目
【分類號】：O641.4
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本文編號：2335208