Probing charge carrier dynamics in metal halide perovskite solar cells

C Qiu, L Wagner, J Liu, W Zhang, J Du, Q Wang, Y Hu… - …, 2023 - Wiley Online Library
With rocketing power conversion efficiency and continuously enhancing stability, perovskite
solar cells (PSCs) have shown extraordinary potential to become a key player in tomorrow's …

Pattern-illumination time-resolved phase microscopy and its applications for photocatalytic and photovoltaic materials

K Katayama - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
The pattern-illumination time-resolved phase microscopy (PI-PM) method is a technique
used to study the microscopic charge carrier dynamics in photocatalytic and photovoltaic …

Charge carrier mapping for Z-scheme photocatalytic water-splitting sheet via categorization of microscopic time-resolved image sequences

M Ebihara, T Ikeda, S Okunaka, H Tokudome… - Nature …, 2021 - nature.com
Photocatalytic water splitting system using particulate semiconductor materials is a
promising strategy for converting solar energy into hydrogen and oxygen. In particular …

Charge transfer and recombination at the metal oxide/CH 3 NH 3 PbClI 2/spiro-OMeTAD interfaces: uncovering the detailed mechanism behind high efficiency solar …

Q Shen, Y Ogomi, J Chang, S Tsukamoto… - Physical Chemistry …, 2014 - pubs.rsc.org
In recent years, organometal halide perovskite-based solid-state hybrid solar cells have
attracted unexpected increasing interest because of their high efficiency (the record power …

Distinction and separation of different types of charge carriers from the time-resolved local charge carrier mapping for photocatalytic materials

K Kawaguchi, T Chugenji, S Okunaka… - The Journal of …, 2022 - ACS Publications
Photocatalytic water splitting is a promising method to obtain clean hydrogen in the near
future, and a variety of materials for this purpose have been examined. The charge carrier …

[HTML][HTML] Visualizing and monitoring interface structures and dynamics by luminogens with aggregation-induced emission

H Zhang, JZ Sun, J Liu, RTK Kwok, JWY Lam… - Journal of Applied …, 2019 - pubs.aip.org
Interfaces exist in almost all objects and processes. Investigation on the interface not only is
fundamentally important but also has great application prospects. Traditionally, the interface …

[HTML][HTML] Photo-excited charge carrier imaging by time-resolved pattern illumination phase microscopy

K Katayama - The Journal of Chemical Physics, 2020 - pubs.aip.org
A nanosecond time-resolved imaging technique has been developed for the observation of
the photo-excited charge carrier dynamics in photo-devices such as photocatalysts and …

Distinction of electron pathways at titanium oxide/liquid interfaces in photocatalytic processes and co-catalyst effects

S Kuwahara, K Katayama - Physical Chemistry Chemical Physics, 2016 - pubs.rsc.org
Photocatalytic reactions include several different steps and routes for photoexcited carriers,
and each dynamic is closely related to the reaction efficiency. Although commonly used time …

[HTML][HTML] Lifetime mapping of photo-excited charge carriers by the transient grating imaging technique for nano-particulate semiconductor films

M Ebihara, WY Sohn, K Katayama - Review of Scientific Instruments, 2019 - pubs.aip.org
The transient grating (TG) imaging technique has been developed, where the refractive
index change due to the photoexcited charge carriers excited with a stripe patterned light …

Photoexcited carrier dynamics of double-layered CdS/CdSe quantum dot sensitized solar cells measured by heterodyne transient grating and transient absorption …

N Osada, T Oshima, S Kuwahara, T Toyoda… - Physical Chemistry …, 2014 - pubs.rsc.org
The charge dynamics in the double-layered quantum dot sensitized solar cell (QDSSC) was
studied to clarify the reason why the cell performance was much improved by a double-layer …