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Photocatalysis: HI-time for perovskites

Organolead halide perovskite solar absorbers demonstrate high photovoltaic efficiencies but they are notorious for their intolerance to water. Now, methylammonium lead iodide
perovskites are used to harvest solar energy — in water — via photocatalytic generation of hydrogen from solutions of hydriodic acid

 

 

Perovskite photovoltaics: Slow recombination unveiled

One of the most salient features of hybrid lead halide perovskites is the extended lifetime of their photogenerated charge carriers. This property has now been shown experimentally to originate from a slow, thermally activated recombination process

 

 

Perovskite solar cells: Danger from within

 Extensive efforts are under way to increase not only the efficiency but also the stability of organic-inorganic halide perovskite based solar cells. However, research shows that
iodine-containing perovskites are vulnerable to a self-degradation pathway that may inherently limit their lifetime

Perovskite solar cells: Stability lies at interfaces

Perovskite solar cells are developing fast but their lifetimes must be extended. Now, large-area printed perovskite solar modules have been shown to be stable for more than 10,000 hours under continuous illumination

Perovskite solar cells: Shedding light on film crystallization

A study on the formation of methylammonium lead iodide perovskite films reveals that light illumination influences the crystallization kinetics, therefore affecting the final photovoltaic performance of these materials

 

Perovskite solar cells: On top of commercial photovoltaics

The efficiency of single-junction solar cells is intrinsically limited and high efficiency multi-junctions are not cost effective yet. Now, semi-transparent perovskite solar cells suggest that low cost multi-junctions could be within reach

 

 

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