organic solar cellsfront cellrear cellpower conversion efficiencyThe series-connected tandem device strategy is an effective approach to promote the efficiency of organic solar cells(OSCs) with broadened absorption range and alleviated thermalization and transmission loss.In this article,two nonfullerene ...
HZB's scientific director, Prof. Bernd Rech, says, "At 32.5%, the solar cell efficiency of the HZB tandems is now in ranges previously only achieved by expensive III/V semiconductors. The NREL graph clearly shows how spectacular the last two increases from EPFL and HZB really are."...
摘要:An international research team has designed a flexible two-terminal (2T) tandem solar cell based on ...
An effective way to improve polymer solar cell efficiency is to use a tandem structure, as a broader part of the spectrum of solar radiation is used and the thermalization loss of photon energy is minimized. In the past, the lack of high-performance low-bandgap polymers was the major limiti...
Organic solar cells have attracted extensive attention, and the improvement in power conversion efficiency will increase the industrialization value. Using tandem organic solar cell with multi-junction architecture is helpful to avoid the thermal exciton relaxation. The properties of tandem organic solar ce...
inserted between organic bathocuproine and molybdenum oxide with enhanced electrical properties and transmittance in the near-infrared region. Through these improvements, we achieve a maximum efficiency of 23.60% (22.95% certified) in the perovskite/organic tandem solar cell. In addition, the tandem ...
the cell efficiency deteriorates fast. On the other hand, the resistance of SnO2:F increases to higher because the fluorine dopant bubbles out. The mechanism behind the process of SnO2is entirely different from the ITO sample. The ZnO:Al back contact in the solar cells follows the same phenom...
Silicon solar cells dominate the solar cell market with record lab efficiencies reaching almost 26%. However, after 60 years of research, this efficiency saturated close to the theoretical limit for silicon, and radically new approaches are needed to further improve the efficiency. Here we present ...
perovskite solar cellstransparencyMultijunction/tandem solar cells have naturally attracted great attention because they are not subject to the Shockley-Queisser limit. Perovskite solar cells are ideal candidates for the top cell in multijunction/tandem devices due to the high power conversion efficiency (...
In this work, guided by a semi-empirical model analysis and using the tandem cell strategy to overcome such issues, and taking advantage of the high diversity and easily tunable band structure of organic materials, a record and certified 17.29% power conversion efficiency for a 2-terminal ...