Proceedings of Perovskite Thin Film Photovoltaics (ABXPV17)
Publication date: 18th December 2016
Halide perovskites have arisen as a potential candidate to implement in wide range of photovoltaic and optoelectronic devices such as solar cells, LEDs, amplifier, lasers and also transistors. Among other virtues, halide perovskite preserve its excellent optoelectronic properties deposited on flexible substrate property that do not share the Silicon Solar cells. Here we present a new approach in order to deposit CH3NH3PbI3 on abundant, biodegradable, flexible and transparent substrates, including nanopaper and nanocellulose. Plastic is not renewable and cannot be decomposed through biodegradation in the same way as organic materials. Also (organic) optoelectronic devices require precise control over the optical properties of substrate. Fundamentally different from plastic substrates, the optical properties of transparent cellulosic substrates are tunable due to the availability of different building blocks derived from cellulosic fibers with hierarchical structure. With this approach, we have successfully deposited Lead Iodide Perovskite on nanocellulose substrate and characterized with XRD, SEM and PL measurements. Also the effect of diethyl ether as the anti-solvent during the deposition process on the crystal morphology of perovskite layers were examined. Furthermore, the role of insulating polymer, PMMA, on the stability of perovskite layers on nanocellulose substrate was tested.
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