A Multi-Responsive Cd-Viologen Complex: Photochromism, Photomodulated Fluorescence, and Luminescent Sensing

作者：Qiu, Xing-Tai; Shi, Qing; Zhang, De-Quan; Lin, Qing-Feng; Sun, Yan-Qiong^*

来源：ChemistrySelect, 2018, 3(23): 6611-6616.

DOI：10.1002/slct.201801005

• Luminescent sensing
• Photochromism
• Photomodulated fluorescence
• Viologen

By incorporating a viologen moiety into a framework, a multiresponsive 2D bilayered luminescent Cd-viologen complex {[Cd-1.5(Cebpy)(Hbtc)Cl] center dot H2O}(n), (1, Cebpy = 1-carboxyethyl-4, 4'-bipyridine, H(3)Hbtc=1, 3, 5-benzenetricarboxylic acid) has been synthesized. The reversible photochromism from light brown to dark bluish-grey is implemented due to the favourable spatial stack of the electron donor and acceptor. The photochromic component of the organic linkers can modulate the luminescence of compound 1 under irradiation by using a Xenon lamp. At the same time, compound 1 shows a good potential in luminescent sensing for colored transition metal cations. Thus, multiphotofunctionality, viz. photoluminescence, photochromism as well as the derivate fluorescent responses to irradiation and colored transition metal cations have been combined in the Cd-viologen complex 1, which is the first example in the Cd-viologen-based photochromic hybrid materials.

• 出版日期2018-6-22
• 单位福州大学