From Event: SPIE Organic Photonics + Electronics, 2016
Organic-inorganic (hybrid) lead halide perovskites are taking the lead among the emerging photovoltaics technologies, thanks to the demonstration of power conversion efficiencies exceeding 20 %. Hybrid perovskites have a wide spectrum of desirable properties; they are direct bandgap semiconductors with very high absorption coefficients, high and balanced hole and electron mobility, and large diffusion length. A unique feature of these materials is their versatility in terms of bandgap energy, which can be tuned by simple exchange of their components. In this paper we present vacuum and hybrid deposition routes for the preparation of different organic-inorganic lead perovskite thin films, and their incorporation into efficient solar cells. The influence of the type of organic semiconductors used as hole/electron transport layer in p-i-n solar cells will be presented. We also discuss their electroluminescence properties, either for applications in light-emitting diodes or as a diagnostic tool of the optical and electronic quality of perovskite thin films. Finally, the effect of additives and dopants in the perovskite absorber as well as in the charge selective layers will be described.
Cristina Momblona, Lidón Gil-Escrig, Jorge Ávila, Daniel Pérez-Del-Rey, David Forgács, Michele Sessolo, and Hendrik J. Bolink, "Strontium insertion in methlyammonium lead iodide: long charge carrier lifetime and high fill factor solar cells
(Conference Presentation)," Proc. SPIE 9942, Organic Photovoltaics XVII, 99420H (Presented at SPIE Organic Photonics + Electronics: August 31, 2016; Published: 2 November 2016); https://doi.org/10.1117/12.2237883.5168997878001.
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