Fluorescence lifetime imaging–techniques and applications

W Becker - Journal of microscopy, 2012 - Wiley Online Library
Fluorescence lifetime imaging (FLIM) uses the fact that the fluorescence lifetime of a
fluorophore depends on its molecular environment but not on its concentration. Molecular …

Exciton–photonics: from fundamental science to applications

SB Anantharaman, K Jo, D Jariwala - ACS nano, 2021 - ACS Publications
Semiconductors in all dimensionalities ranging from 0D quantum dots and molecules to 3D
bulk crystals support bound electron–hole pair quasiparticles termed excitons. Over the past …

Single-shot ultrafast imaging attaining 70 trillion frames per second

P Wang, J Liang, LV Wang - Nature communications, 2020 - nature.com
Real-time imaging of countless femtosecond dynamics requires extreme speeds orders of
magnitude beyond the limits of electronic sensors. Existing femtosecond imaging modalities …

Mapping local photocurrents in polymer/fullerene solar cells with photoconductive atomic force microscopy

DC Coffey, OG Reid, DB Rodovsky… - Nano …, 2007 - ACS Publications
The performance of organic solar cells is highly dependent on film morphology. However,
directly correlating local film structures with device performance remains challenging. We …

Time-resolved electrostatic force microscopy of polymer solar cells

DC Coffey, DS Ginger - Nature materials, 2006 - nature.com
Blends of conjugated polymers with fullerenes, polymers, or nanocrystals make promising
materials for low-cost photovoltaic applications. Different processing conditions affect the …

Study of the effect of annealing process on the performance of P3HT/PCBM photovoltaic devices using scanning-probe microscopy

YC Huang, YC Liao, SS Li, MC Wu, CW Chen… - Solar Energy Materials …, 2009 - Elsevier
We have studied the effect of annealing process on the performance of photovoltaic devices
based on the bulk heterojunction of poly (3-hexylthiophene) and [6, 6]-phenyl-C61 butyric …

Organic photovoltaics: principles and techniques for nanometre scale characterization

PG Nicholson, FA Castro - Nanotechnology, 2010 - iopscience.iop.org
The photoconversion efficiency of state-of-the-art organic solar cells has experienced a
remarkable increase in the last few years, with reported certified efficiency values of up to …

Local Versus Long‐Range Diffusion Effects of Photoexcited States on Radiative Recombination in Organic–Inorganic Lead Halide Perovskites

M Vrućinić, C Matthiesen, A Sadhanala… - Advanced …, 2015 - Wiley Online Library
DOI: 10.1002/advs. 201500136 and iodide films (CH 3NH 3PbX 3, X= I, Br) by monitoring
the spatially resolved PL. These two materials were chosen due to their use in photovoltaic …

Homoconjugation in poly (phenylene methylene) s: A case study of non‐π‐conjugated polymers with unexpected fluorescent properties

A Braendle, A Perevedentsev… - Journal of Polymer …, 2017 - Wiley Online Library
ABSTRACT Poly (phenylene methylene)(PPM) exhibits pronounced blue fluorescence in
solutions as well as in the solid state despite its non‐π‐conjugated nature. Optical …

Recent trends in two-photon auto-fluorescence lifetime imaging (2P-FLIM) and its biomedical applications

H Ranawat, S Pal, N Mazumder - Biomedical Engineering Letters, 2019 - Springer
Two photon fluorescence microscopy and the numerous technical advances to it have
served as valuable tools in biomedical research. The fluorophores (exogenous or …