Quantifying stimulated emission in semiconductor nanocrystals (NCs) remains challenging
due to masking of its effects on pump–probe spectra by excited state absorption and ground …

Sum frequency mixing of fluorescence and∼ 1300 nm gate pulses, in a thin β-barium borate
crystal and non-collinear type II geometry, is quantified as part of a femtosecond fluorimeter …

A quantitative description of recombination processes in nanostructured semiconductor
photocatalysts one that distinguishes between bulk (charge transport) and surface …

Polymers are desirable optoelectronic materials, stemming from their solution processability,
tunable electronic properties, and large absorption coefficients. An exciting development is …

Semiconductor photoelectrodes for photoelectrochemical (PEC) water splitting require
efficient carrier generation, separation, and transport at and beyond the space charge region …

A Kerr-gated microscope capable of imaging ultraviolet luminescence with femtosecond
time resolution has been developed. The system allows the spatial, spectral, and temporal …

As wide bandgap materials are nanostructured for optoelectronics and energy technologies,
understanding how size and defects modify the carrier dynamics becomes critical. Here, we …

In this work, by using femtosecond angle-resolved spectroscopic imaging technique, the
ultrafast dynamics of confined exciton–polaritons in an optical induced potential well based …

Excited state dynamics of molecules at interfaces can be studied using second-order non-
linear spectroscopic methods such as time-resolved electronic sum-frequency generation …

Lasing in solution-processed nanomaterials has gained significant interest because of the
potential for low-cost integrated photonic devices. Still, a key challenge is to utilize a …