Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 226, Issue -, Pages 388-402Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2015.11.104
Keywords
Phenanthroline-terpyridine ligand; Osmium Optical chemosensor; Molecular logic gates; Memory device; DFT and TD-DFT
Funding
- Council of Scientific and Industrial Research [01(2766)/13/EMR-II]
- Department of Science and Technology, New Delhi, India [SR/S1/IC-33/2010]
- CSIR
- UGC
Ask authors/readers for more resources
A monometallic Os(II) complex of composition, [(bpy))2Os(II)(phen-Hbzim-tpy)](ClO4)(2), where phen-Hbzim-tpy = 2444 (2,6-di( pyridin-2-yl)pyridine-4-yl)pheny1)-1H-imidazole[4,5-f] [1,10]phenanthroline and bpy = 2,2'-bipyridine, containing a free terpyridine site for cationic guest and an imidazole moiety for the anionic guest, has been designed for the fabrication of multifunctional logic circuits. This complex acts a red-color emitter and effective bifunctional optical chemosensor for F-and CN-as well as Fez' and Cu2+ ions. The anion and cation sensing properties of the metalloreceptor have been thoroughly investigated in solution through different channels such as absorption, steady state and time-resolved emission spectroscopic methods and by square wave voltammetric technique. On the basis of the absorption, emission and electrochemical responses with specific set of anionic and cationic inputs, the present metalloreceptor finds its ability to mimic the logic functions of two-inputs INHIBIT, IMPLICATION, and OR logic gate as well as four inputs NOR logic behavior. Moreover, the complex can mimic sequential Boolean logic functions capable of integrating into Writing-Reading-Erasing-Reading combinational circuit for molecular-level information processing. To gain a deeper insights about the structural as well as spectral aspects of the complex, theoretical calculations have also been performed employing density functional theory (DFT) and time-dependent density functional theory (TD-DFT). (C) 2015 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available