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High-Stable Lead-Free Solar Cells Achieved by Surface Reconstruction of Quasi-2D Tin-Based Perovskites
Related publications (32)
Ultrafast carrier and quasiparticle dynamics in strongly confined perovskite nanoplatelets
Over the past decade, lead halide perovskites (LHPs) have received considerable attention thanks to their impressive optoelectronic properties. Today, LHP-based devices are one of the most efficient single-junction solar cells, with power-conversion effici ...
EPFL2022Luminescent and electronic properties of perovskite solar cells
Perovskite solar cells show great promise to serve as an alternative for traditional silicon-based solar cells, however several problems present obstacles for their commercialization. Standard perovskite cells contain lead, which is toxic to humans and har ...
EPFL2022Orientation‐Engineered Small‐Molecule Semiconductors as Dopant‐Free Hole Transporting Materials for Efficient and Stable Perovskite Solar Cells
Hong Zhang, Zhiwen Zhou, Miao Chen
Crystallized p-type small-molecule semiconductors have great potential as efficient and stable hole transporting materials (HTMs) for perovskite solar cells (PSCs) due to their relatively high hole mobility, good stability and tunable HOMOs depending on th ...
2021Role of ions and interfaces for efficient and stable perovskite solar cells
Perovskite Solar Cells (PSCs) have grabbed global attention of the researchers due to their outstanding Photovoltaic (PV) performance. PSCs have the potential to be the future of the PV technology as they can generate power with performance being comparabl ...
EPFL2021Quasi-Heteroface Perovskite Solar Cells
Ulf Anders Hagfeldt, Peng Wang, Yang Li, Xiaoyu Zhang, Yi Ding
Perovskite solar cells (PSCs) have attracted unprecedented attention due to their rapidly rising photoelectric conversion efficiency (PCE). In order to further improve the PCE of PSCs, new possible optimization path needs to be found. Here, quasi-heterofac ...
WILEY-V C H VERLAG GMBH2020Molecular materials as interfacial layers and additives in perovskite solar cells
Solar cells based on organo-metal halide perovskites have gained unprecedented research interest over the last few years due to their low-cost solution processability, high power conversion efficiency, which has recently reached a certified value of 25.2%, ...
2020Review on Recent Progress of All-Inorganic Metal Halide Perovskites and Solar Cells
Wolfgang Richard Tress, Wanchun Xiang
All-inorganic perovskites are considered to be one of the most appealing research hotspots in the field of perovskite photovoltaics in the past 3 years due to their superior thermal stability compared to their organic-inorganic hybrid counterparts. The pow ...
WILEY-V C H VERLAG GMBH2019Ba-induced phase segregation and band gap reduction in mixed-halide inorganic perovskite solar cells
Michael Graetzel, David Lyndon Emsley, Wolfgang Richard Tress, Ulf Anders Hagfeldt, Jingshan Luo, Dominik Józef Kubicki, Jiahuan Zhang, Zaiwei Wang, Albert Hofstetter, Wanchun Xiang, Xiaoyan Wang, Xiaoyu Wang
All-inorganic metal halide perovskites are showing promising development towards efficient long-term stable materials and solar cells. Element doping, especially on the lead site, has been proved to be a useful strategy to obtain the desired film quality a ...
2019Performance of perovskite solar cells under simulated temperature-illumination real-world operating conditions
Michael Graetzel, Wolfgang Richard Tress, Ulf Anders Hagfeldt, Konrad Domanski, Essa Awadh R Alharbi, Brian Irving Carlsen, Anand Agarwalla
Since reaching 20% efficiency, research in perovskite photovoltaics has shifted from a race for efficiency to a race for stability. For efficiency, the standard test conditions set the rules for the race. However, the term 'stability' is used very broadly ...
NATURE PUBLISHING GROUP2019Optoelectronic Properties of Layered Perovskite Solar Cells
Mohammad Khaja Nazeeruddin, Sanghyun Paek, Yonghui Lee, Kyung Taek Cho
Herein, the optoelectronic properties of interface-engineered perovskite 2D|3D-heterojunction structure solar cells are reported. The reciprocity theorem is applied to determine the maximum open-circuit voltage (V-oc) the device can deliver under solar ill ...
2019