Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Publication date: 7th November 2016
The perovskite solar cells (PSCs) are promising candidates to reach the highest efficiency among the single junction solar cells due to the adapted bandgap around 1.55 eV, strong absorption and carrier diffusion length. To increase the PSCs efficiency, real origin of the I-V hysteresis became a big issue and has been discussed widely. In this study, we have modeled the hysteresis in the I-V curves of PSC by two dimensional modeling using the Silvaco Atlas software. The simulations has been done using a planar structure made of glass, fluorine doped tin oxide (FTO), compact titanium oxide (c-TiO2), methyl ammonium lead tri-iodide (MAPbI3), 2,2′,7,7′-Tetrakis(N,N-di-p-methoxyphenylamine)-9,9′-spiro-OMeTAD-bifluorene (spiro-OMeTAD) and gold. We have studied the effect of trap assisted charge accumulation in c-TiO2 and recombination at the c-TiO2 / MAPbI3 interface. On the one hand this study shows that those two processes can reproduce the hysteresis behavior as function of the scan rate and voltage preset in perovskite solar cells. On the other hand this study suggests that to reduce hysteresis and improve the efficiency of PSCs one should decrease charge trapping and recombination at the c-TiO2 / MAPbI3 interface.
References :
[1] L. Cojocaru, S. Uchida, P. V. V. Jayaweera, S. Kaneko, J. Nakazaki, T. Kubo, H. Segawa, Chem. Lett. 2015, 44, 1750–1752.
[2] H. J. Snaith, A. Abate, J. M. Ball, G. E. Eperon, T. Leijtens, N. K. Noel, S. D. Stranks, J. T.-W. Wang, K. Wojciechowski, W. Zhang, J. Phys. Chem. Lett. 2014, 5, 1511–1515.
[3] W. Tress, N. Marinova, T. Moehl, S. M. Zakeeruddin, M. K. Nazeeruddin, M. Grätzel, Energy Environ. Sci. 2015, 8, 995–1004.
[4] F. P. Heiman, G. Warfield, IEEE Trans. Electron Devices 1965, 12, 167–178.
nanoGe is a prestigious brand of successful science conferences that are developed along the year in different areas of the world since 2009. Our worldwide conferences cover cutting-edge materials topics like perovskite solar cells, photovoltaics, optoelectronics, solar fuel conversion, surface science, catalysis and two-dimensional materials, among many others.
Previously nanoGe Spring Meeting (NSM) and nanoGe Fall Meeting (NFM), MATSUS is a multiple symposia conference focused on a broad set of topics of advanced materials preparation, their fundamental properties, and their applications, in fields such as renewable energy, photovoltaics, lighting, semiconductor quantum dots, 2-D materials synthesis, charge carriers dynamics, microscopy and spectroscopy semiconductors fundamentals, etc.
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.