Ultrafast laser spectroscopy uncovers mechanisms of light energy conversion in photosynthesis and sustainable energy materials
The invention of the laser in 1960 gave us the ruby laser, which generally produced chaotic
pulses of light. Six years later, in 1966, a concept called passive mode-locking applied to …
pulses of light. Six years later, in 1966, a concept called passive mode-locking applied to …
Organometal halide perovskite solar cell materials rationalized: ultrafast charge generation, high and microsecond-long balanced mobilities, and slow recombination
Organometal halide perovskite-based solar cells have recently been reported to be highly
efficient, giving an overall power conversion efficiency of up to 15%. However, much of the …
efficient, giving an overall power conversion efficiency of up to 15%. However, much of the …
Ultrafast carrier dynamics in nanostructures for solar fuels
Sunlight can be used to drive chemical reactions to produce fuels that store energy in
chemical bonds. These fuels, such as hydrogen from splitting water, have much larger …
chemical bonds. These fuels, such as hydrogen from splitting water, have much larger …
The Origin of Slow Carrier Transport in BiVO4 Thin Film Photoanodes: A Time-Resolved Microwave Conductivity Study
We unravel for the first time the origin of the poor carrier transport properties of BiVO4, a
promising metal oxide photoanode for solar water splitting. Time-resolved microwave …
promising metal oxide photoanode for solar water splitting. Time-resolved microwave …
Metal–organic frameworks as heterogeneous photocatalysts: advantages and challenges
The use of metal organic frameworks (MOFs) as heterogeneous photocatalysts is critically
reviewed. First we revisit the general assumption of MOFs behaving truly as semiconductors …
reviewed. First we revisit the general assumption of MOFs behaving truly as semiconductors …
Predicting solar cell performance from terahertz and microwave spectroscopy
Mobilities and lifetimes of photogenerated charge carriers are core properties of photovoltaic
materials and can both be characterized by contactless terahertz or microwave …
materials and can both be characterized by contactless terahertz or microwave …
Revealing the dynamics of charge carriers in polymer: fullerene blends using photoinduced time-resolved microwave conductivity
During the past decade, time-resolved microwave conductivity (TRMC) has evolved to an
established, powerful technique to study photoactive layers. With this feature paper, we aim …
established, powerful technique to study photoactive layers. With this feature paper, we aim …
Enhancing optical absorption of metal–organic frameworks for improved visible light photocatalysis
NH2-MIL-125 (Ti) has been post-synthetically functionalized with dye-like molecular
fragments. The new material (methyl red-MIL-125 (Ti)) exhibits improved light absorption …
fragments. The new material (methyl red-MIL-125 (Ti)) exhibits improved light absorption …
Direct Time-Resolved Observation of Carrier Trap** and Polaron Conductivity in BiVO4
BiVO4 is a promising photoanode candidate for water splitting applications, but its
microscopic charge carrier transport properties are not yet fully understood. We investigated …
microscopic charge carrier transport properties are not yet fully understood. We investigated …
Vacuum-deposited 2D/3D perovskite heterojunctions
Low-dimensional (quasi-) 2D perovskites are being extensively studied in order to enhance
the stability and the open-circuit voltage of perovskite solar cells. Up to now, thin 2D …
the stability and the open-circuit voltage of perovskite solar cells. Up to now, thin 2D …