High-efficiency perovskite–polymer bulk heterostructure light-emitting diodes

B Zhao, S Bai, V Kim, R Lamboll, R Shivanna… - Nature …, 2018 - nature.com
Perovskite-based optoelectronic devices are gaining much attention owing to their
remarkable performance and low processing cost, particularly for solar cells. However, for …

High-performance light-emitting diodes based on carbene-metal-amides

D Di, AS Romanov, L Yang, JM Richter, JPH Rivett… - Science, 2017 - science.org
Organic light-emitting diodes (OLEDs) promise highly efficient lighting and display
technologies. We introduce a new class of linear donor-bridge-acceptor light-emitting …

Long-range exciton transport in conjugated polymer nanofibers prepared by seeded growth

XH Jin, MB Price, JR Finnegan, CE Boott, JM Richter… - Science, 2018 - science.org
Easily processed materials with the ability to transport excitons over length scales of more
than 100 nanometers are highly desirable for a range of light-harvesting and optoelectronic …

High exciton diffusion coefficients in fused ring electron acceptor films

S Chandrabose, K Chen, AJ Barker… - Journal of the …, 2019 - ACS Publications
Modest exciton diffusion lengths dictate the need for nanostructured bulk heterojunctions in
organic photovoltaic (OPV) cells; however, this morphology compromises charge collection …

Optical gain and lasing from bulk cadmium sulfide nanocrystals through bandgap renormalization

I Tanghe, M Samoli, I Wagner, SA Cayan… - Nature …, 2023 - nature.com
Strongly confined colloidal quantum dots have been investigated for low-cost light emission
and lasing for nearly two decades. However, known materials struggle to combine …

Efficient energy transport in an organic semiconductor mediated by transient exciton delocalization

AJ Sneyd, T Fukui, D Paleček, S Prodhan, I Wagner… - Science …, 2021 - science.org
Efficient energy transport is desirable in organic semiconductor (OSC) devices. However,
photogenerated excitons in OSC films mostly occupy highly localized states, limiting exciton …

Vibronically coherent ultrafast triplet-pair formation and subsequent thermally activated dissociation control efficient endothermic singlet fission

HL Stern, A Cheminal, SR Yost, K Broch, SL Bayliss… - Nature …, 2017 - nature.com
Singlet exciton fission (SF), the conversion of one spin-singlet exciton (S1) into two spin-
triplet excitons (T1), could provide a means to overcome the Shockley–Queisser limit in …

Tuning the role of charge-transfer states in intramolecular singlet exciton fission through side-group engineering

S Lukman, K Chen, JM Hodgkiss, DHP Turban… - Nature …, 2016 - nature.com
Understanding the mechanism of singlet exciton fission, in which a singlet exciton separates
into a pair of triplet excitons, is crucial to the development of new chromophores for efficient …

Exploiting excited-state aromaticity to design highly stable singlet fission materials

KJ Fallon, P Budden, E Salvadori… - Journal of the …, 2019 - ACS Publications
Singlet fission, the process of forming two triplet excitons from one singlet exciton, is a
characteristic reserved for only a handful of organic molecules due to the atypical energetic …

Multiple enol–keto isomerization and excited-state unidirectional intramolecular proton transfer generate intense, narrowband red OLEDs

X Wu, CH Wang, S Ni, CC Wu, YD Lin… - Journal of the …, 2024 - ACS Publications
A novel series of excited-state intramolecular proton transfer (ESIPT) emitters, namely,
DPNA, DPNA-F, and DPNA-t Bu, endowed with dual intramolecular hydrogen bonds, were …