Journal of Nanomaterials & Molecular NanotechnologyISSN: 2324-8777

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Functional thin films and fiber-based membranes, assembled in room temperature, for flexible energy packs


Fatemeh Zabihi

Donghua University, China

: J Nanomater Mol Nanotechnol

Abstract


The new generation of photovoltaic and electronic devices, assembled on flexible substrates such as papers, textiles and polymers promise daily application of miniaturized, portable and wearable power sources. However, commercialization of the technology is hindered by several tough challenges. A serious concern in this line arises from tough manufacturing issues. Particularly, deposition of the typical semi-conductors such as a metal oxide (SnO2, TiO2, NiOx, ZrO2 and ZnO), organic/ inorganic perovskite and conjugated and doped donoracceptor polymers, are necessarily associated with thermal annealing, which is incompatible with a flexible background. Alternative low-temperature techniques e.g. magnetron sputtering, photochemical activation by UV and atomic-layer plasma-assisted deposition (ALD) are assisted by chemical processes or need a vacuum atmosphere, which is costly, utility consuming and environmentally unfriendly. With this background, we pioneered a versatile, low-cost and potentially room-temperature strategy, which is applicable with all the features of solution processing (spin/ spray/ drop casting and jet printing). A fast exposure to the acoustic streams and ultrasonic waves allows evenly deposition of a compact, pinhole free and highly functional solid layer from collide solutions, free of heating and chemical processing. Ultrasonic assisted solution processing revolutionizes the status of flexible and wearable energy resources in our routine life, in the near future.

Biography


Fatemeh Zabihi is a faculty member in College of Material Science and Engineering in DHU. She has been working as a Post-doctorate Fellow and senior researcher at the University of Michigan-Shanghai Jiao Tong University Joint Institute (2012-2014). According to her strong chemical and engineering background her multidisciplinary research is focused on Thin film Technology and Thin Film Solar Cells, Solution Processing and Solution Engineering, Surface Sciences and surface Phenomena, Coating and Spray Phyrolysis, Thermodynamic and Phase Equilibrium studies.

E-mail: fzabihi@dhu.edu.cn

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