Proceedings of Materials for Sustainable Development Conference (MAT-SUS) (NFM22)
DOI: https://doi.org/10.29363/nanoge.nfm.2022.199
Publication date: 11th July 2022
Organic-inorganic metal halides (Perovskites/non-Perovskites phases) are emerging as a next generation optoelectronic material in both nanoscale and bulk form. Besides its novel applications in energy, light emitting diodes etc. these materials are also showing fascinating results in other appealing fields like battery research and sensors. [1]
Meanwhile Ionic liquids (ILs) have gained tremendous attention in various research fields over the last decades. Within melting points generally below 100 °C (much lower than conventional inorganic salts), ILs have been used in several applications, like as an electrolyte in fuel cells or in photovoltaic modules for the ion transport etc. Due to their low vapor pressure and low flammability ILs are quite safe and easy to handle. Even by altering the functional groups ILs or replacing the anions or cations, both the chemical and physical properties can be drastically changed. [2,3]
In this oral presentation, I will talk about organic-inorganic transition metal-halide structures, where ionic liquids act as organic cations. Besides its synthetic and structural details, we have discussed general optical, thermal and conductivity properties. These organic-inorganic metal-halides form 1D structures, which are confirmed by scanning electron microscopy and single crystal analysis. Like other ionic liquid mediated metal-halide structures, these compounds also have a low melting point, which are confirmed through DSC measurements. Most importantly, the here presented compounds show a high conductivity of 10-4 Scm-1 at room temperature. With elevation of temperature the conductivity increases and it reaches to 10-2 Scm-1 at 70 0C. In general, this is the very first report of superior ion conductivity of an organic-inorganic metal-halide structure that could be a very important milestone for future solid-state battery research. [4]
We thank“Leistungszentrum Funktionsintegration” of the University of Potsdam and the Fraunhofer Institute of Applied Polymer Research for generous funding.
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