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Efficiency vs. stability: dopant-free hole transporting materials towards stabilized perovskite solar cells
Related publications (55)
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Solar energy is the most abundant energy source, harnessing solar energy holds the solution to the challenge of increasing global energy demand and reducing our dependence on fossil fuels. Photovoltaics which directly convert solar energy into electricity ...
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Thanks to the continuous improvement of crystalline silicon (c-Si) solar cells, largely dominating the market, photovoltaic electricity is nowadays the cheapest source of energy on the market. Yet, solar energy is far from being completely harvested, as t ...
EPFL2023Visualizing Interfacial Energy Offset and Defects in Efficient 2D/3D Heterojunction Perovskite Solar Cells and Modules
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Currently, the full potential of perovskite solar cells (PSCs) is limited by chargecarrier recombination owing to imperfect passivation methods. Here, the recombination loss mechanisms owing to the interfacial energy offset and defects are quantified. The ...
WILEY-V C H VERLAG GMBH2023Functionalized BODIPYs as Tailor-Made and Universal Interlayers for Efficient and Stable Organic and Perovskite Solar Cells
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Solar cells based on metal halide perovskite and polymer donor:nonfullerene acceptor blend absorbers have recently witnessed a significant rise in their photovoltaic performance. However, they still suffer from some instability issues originating from the ...
WILEY2022Compositional and interfacial optimization for enhancement of perovskite solar cells performance
Non-renewable sources are responsible for most of the overall greenhouse gas emissions, the development of sustainable energy sources is of prime importance to mitigate the negative effects of climate change. Among renewable sources, solar energy is one of ...
EPFL2022Modulating the Electron Transporting Properties of Subphthalocyanines for Inverted Perovskite Solar Cells
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The lack of organic non-fullerene ETMs with good electron transport and device stability is an important problem for the further development and commercialization of perovskite solar cells. Herein, the use of SubPcs as ETMs in PSCs is explored. To this end ...
FRONTIERS MEDIA SA2022The emergence of concentrator photovoltaics for perovskite solar cells
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The emergence of high-efficiency photovoltaic research is undergoing intense study and is technologically desirable to meet sustainable energy and environmental demand. However, every single solar cell has a theoretical power conversion efficiency limit, a ...
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Heteroaromatic units are commonly used as pi-spacers for sensitizers in dye-sensitized solar cells (DSSCs). Here, we investigated the influence of the pi-spacer on the photophysical properties, electrochemical properties and photovoltaic performance of car ...
ROYAL SOC CHEMISTRY2021Nanoscale Phase Segregation in Supramolecular π-Templating for Hybrid Perovskite Photovoltaics from NMR Crystallography
Shaik Mohammed Zakeeruddin, David Lyndon Emsley, Ursula Röthlisberger, Jovana Milic, Yuhang Liu, Michael Allan Hope, Marko Mladenovic, Ulf Anders Hagfeldt, Dominik Józef Kubicki, Paramvir Ahlawat, Manuel Cordova, Aditya Mishra, Brian Irving Carlsen, Farzaneh Jahanbakhshi, Loï Charles Carbone, Rashmi Runjhun, Toru Nakamura, Thomas Schneeberger
The use of layered perovskites is an important strategy to improve the stability of hybrid perovskite materials and their optoelectronic devices. However, tailoring their properties requires accurate structure determination at the atomic scale, which is a ...
2021Efficient and stable inverted perovskite solar cells with very high fill factors via incorporation of star-shaped polymer
Shaik Mohammed Zakeeruddin, Hong Zhang, Yang Li, Xiong Li, Jiabao Yang, Ting Xu, Shilong Wang, Ziyun Wang
Stabilizing high-efficiency perovskite solar cells (PSCs) at operating conditions remains an unresolved issue hampering its large-scale commercial deployment. Here, we report a star-shaped polymer to improve charge transport and inhibit ion migration at th ...
2021