Development of Supramolecular Semiconducting Mn(II)-Metallogel Based Active Device with Substantial Carrier Diffusion Length

A functional supramolecular Mn(II)-metallogel (Mn@OX) has been synthesized through the direct mixing of manganese(II) acetate tetrahydrate and oxalic acid dihydrate, a low molecular weight gelator (LMWG), in N,N-dimethylformamide solvent followed by continious sonication for about 10 h. The mechanical property of the supramolecular Mn@OX metallogel has been explored through rheological investigation. FESEM microstructural study reveals the flakelike morphology with a self-assembled architecture of the supramolecular Mn@OX metallogel. The metallogel formation strategy, crystalline nature, and thermal behavior of the Mn@OX have been explored through infrared spectral, PXRD, and TGA study. The optical as well as the electrical property of the metallogel was thoroughly examined, and this measurement indicates the semiconducting nature of Mn@OX. The synthesized Mn(II)-metallogel was successfully applied in an active electronic device which shows substantial carrier diffusion length and mobility-lifetime product.