The effect of dimensionality on the charge carrier mobility of halide perovskites

NK Tailor, R Ranjan, S Ranjan, T Sharma… - Journal of Materials …, 2021 - pubs.rsc.org
Metal halide perovskites (MHPs) have recently emerged as an ideal semiconductor for
photovoltaic applications. Most of the advantageous properties of perovskites are dominated …

There is plenty of room at the top: generation of hot charge carriers and their applications in perovskite and other semiconductor-based optoelectronic devices

I Ahmed, L Shi, H Pasanen, P Vivo, P Maity… - Light: Science & …, 2021 - nature.com
Hot charge carriers (HC) are photoexcited electrons and holes that exist in nonequilibrium
high-energy states of photoactive materials. Prolonged cooling time and rapid extraction are …

Revealing the internal luminescence quantum efficiency of perovskite films via accurate quantification of photon recycling

P Fassl, V Lami, FJ Berger, LM Falk, J Zaumseil… - Matter, 2021 - cell.com
The internal luminescence quantum efficiency (Q i lum) provides an excellent assessment of
the optoelectronic quality of semiconductors. To determine Q i lum from the experimentally …

Extracting quantitative dielectric properties from pump-probe spectroscopy

A Ashoka, RR Tamming, AV Girija, H Bretscher… - Nature …, 2022 - nature.com
Optical pump-probe spectroscopy is a powerful tool for the study of non-equilibrium
electronic dynamics and finds wide applications across a range of fields, from physics and …

Rapidly expanding spin-polarized exciton halo in a two-dimensional halide perovskite at room temperature

G Yumoto, F Sekiguchi, R Hashimoto, T Nakamura… - Science …, 2022 - science.org
Monitoring of the spatially resolved exciton spin dynamics in two-dimensional
semiconductors has revealed the formation of a spatial pattern and long-range transport of …

Energy gap-refractive index relations in perovskites

A Lamichhane, NM Ravindra - Materials, 2020 - mdpi.com
In this study, the energy gap-refractive index relations of perovskites are examined in detail.
In general, the properties of perovskites are dependent on the structural reorganization and …

Complete perovskite solar cells with gold electrodes studied in the visible and near-infrared ranges

K Pydzińska-Białek, G Nowaczyk… - Chemistry of …, 2022 - ACS Publications
Complete solar cells with the triple-cation perovskite (FA0. 76MA0. 19Cs0. 05Pb (I0. 81Br0.
19) 3) sandwiched between spiro-OMeTAD (2, 2′, 7, 7′-tetrakis-(N, N-di …

Optical time-resolved microscopy on few-atoms-thick materials

A Mermoul, I Ruzankina, C Giannetti… - The Journal of …, 2024 - ACS Publications
In the past decade, the emergence of ultrathin 2D films consisting of only a few atomic layers
deposited on various substrates sparked new ideas and research. This Perspective provides …

Refractive index of different perovskite materials

JK Singh, SK Mandal, G Banerjee - Journal of Materials Research, 2021 - Springer
The perovskite solar cell technologies are the hope of satisfying the huge demand of
tomorrow's energy requirements. The inorganic, organic and mixed perovskite materials are …

Transient Absorption Spectroscopy of Films: Impact of Refractive Index

HP Pasanen, R Khan, JA Odutola… - The Journal of …, 2024 - ACS Publications
Transient absorption spectroscopy is a powerful technique to study the photoinduced
phenomena in a wide range of states from solutions to solid film samples. It was designed …