Proceedings of 6th International Conference on Hybrid and Organic Photovoltaics (HOPV14)
Publication date: 1st March 2014
We will discuss recent progress of colloidal quantum dot solar cells focusing on new architectures for efficient CQD solar cells. I will describe the concept of bulk nanoheterojunctions and their employment in PbS-Bi2S3 colloidal nanocrystals. We will show the benfits of this architecture in increasing charge collection efficiencies in the regime of poorly performing materials suffering fast recombination roadblocks.
I will then move on to outline further insights on the underlying mechanisms in these architectural platform. We will demonstrate the critical role of the local environment of the colloidal quantum dots and how this can act as a leverage to passivate trap recombination centers in colloidal quantum dots. This results in transforming the operational behavior of the device from the trap-assisted recombination regime to the band to band recombination regime, enabling therefore the reach of the theoretically predicted open-circuit voltage.
Subsequently I will discuss new doping schemes for colloidal quantum dots and demonstrate their application in robust p-n PbS QD homojunctions. I will conclude with some recent progress on new light trapping schemes for thin film colloidal quantum dot solar cells based on large area soft-imprint nanolithographically made gratings.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
The International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.