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Photophysics and Opto-electronics of Organic-Inorganic Hybrids

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Hybrids Materials are attracting the attention of materials scientists who aspire to combine the properties of very different systems, organics and inorganics; inorganics and bio-materials with the aim of obtaining new properties or a sum of the best qualities of the components. A multitude of possible combinations and properties are available and new physical properties and applications, stemming from the unusual materials combinations, might be discovered studying these complex systems. Between the many available possibilities my group investigates different classes of hybrids; namely the one composed by carbon nanotubes and organic molecules [1], by quantum dots and organic molecules [2], and more recently the organic-inorganic hybrid perovskites [3]. I will discuss about the physical properties of some of these new systems and show how their properties can be exploited in the fabrication of opto-electronics devices.

[1] S. K. Samanta, M. Fritsch, U. Scherf, W. Gomulya, S. Z. Bisri, M. A. Loi “Conjugated Polymer-Assisted Dispersion of Single-Wall Carbon Nanotubes – The Power of Polymer Wrapping”, Accounts of Chemical Research, 47, 2446 (2014). [2] L-H. Lai, W. Gomulya, M. Berghuis, L. Protesescu, R. J. Detz, J. N. H. Reek, M. V. Kovalenko, and M. A. Loi “Organic-inorganic Hybrid Solution-processed H2-evolving Photocathode”, ACS Appl. Mater. Interfaces, DOI : 10.1021/acsami.5b04550 (2015). [3] H‐H. Fang, R. Raissa, M. Abdu‐Aguye, S. Adjokatse, G. R. Blake, J. Even, M. A. Loi “Photophysics of Organic–Inorganic Hybrid Lead Iodide Perovskite Single Crystals”, Advanced Functional Materials, 25, 2378 (2015).

This talk is part of the Optoelectronics Group series.

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