High Charge Carrier Mobility in Two Dimensional Indium (III) Isophthalic Acid Based Frameworks

作者：Panda Tamas; Banerjee Rahul^*

来源：Proceedings of the National Academy of Sciences India Section A-Physical Sciences, 2014, 84(2): 331-336.

DOI：10.1007/s40010-014-0152-6

• Metal organic framework
• Charge carrier mobility
• Coordination chemistry
• pi-pi stacking

The effect of dimensionality (1D to 2D) on charge carrier mobility have been studied thoroughly on three In(III)-isophthalate based MOFs [In-IA-1D, In-IA-2D-1 and -2]. In-IA-1D possess 1D nanotubular architecture with [(CH3)(2)NH2](+). In-IA-2D-1 have 2D layers containing only [(CH3)(2)NH2](+) cations. Whereas, In-IA-2D-2 have [(CH3)(2)NH2](+) cations as well as solvent DMF molecule inside the crystal structure. Due to presence of the pi-pi stacking arrangement among the phenyl rings of IA moieties facilitates the high charge carrier mobility (4.6 x 10(-3) cm(2) V-1 s(-1) at V-G = -40 V) in In-IA-2D-2. However, In-IA-1D and In-IA-2D-1 does not show any charge carrier mobility due to absence of pi-pi stacking arrangement.

• 出版日期2014-6