Multiple exciton generation in isolated and interacting silicon nanocrystals

I Marri, S Ossicini - Nanoscale, 2021 - pubs.rsc.org
An important challenge in the field of renewable energy is the development of novel
nanostructured solar cell devices which implement low-dimensional materials to overcome …

Efficient carrier multiplication in colloidal silicon nanorods

CJ Stolle, X Lu, Y Yu, RD Schaller, BA Korgel - Nano letters, 2017 - ACS Publications
Auger recombination lifetimes, absorption cross sections, and the quantum yields of carrier
multiplication (CM), or multiexciton generation (MEG), were determined for solvent …

Rapid parallel generation of a fluorescently barcoded drop library from a microtiter plate using the plate-interfacing parallel encapsulation (PIPE) chip

GK Zath, RA Sperling, CW Hoffman, DA Bikos… - Lab on a Chip, 2022 - pubs.rsc.org
In drop-based microfluidics, an aqueous sample is partitioned into drops using individual
pump sources that drive water and oil into a drop-making device. Parallelization of drop …

Toward Practical Carrier Multiplication: Donor/Acceptor Codoped Si Nanocrystals in SiO2

NX Chung, R Limpens, C de Weerd, A Lesage… - ACS …, 2018 - ACS Publications
Carrier multiplication (CM) is an interesting fundamental phenomenon with application
potential in optoelectronics and photovoltaics, and it has been shown to be promoted by …

[HTML][HTML] Limits of emission quantum yield determination

B van Dam, B Bruhn, G Dohnal, K Dohnalová - AIP advances, 2018 - pubs.aip.org
The development of new fluorescent molecules and dyes requires precise determination of
their emission efficiency, which ultimately defines the potential of the developed materials …

Quantum yield bias in materials with lower absorptance

B van Dam, B Bruhn, I Kondapaneni, G Dohnal… - Physical Review …, 2019 - APS
Photoluminescence (PL) quantum yield (QY), which is defined as the ratio of emitted to
absorbed photons, is the central quantity that characterizes light-emitting materials. It is an …

Structural evolution and effective improvement of emission quantum yields for silicon nanocrystals synthesized by femtosecond laser ablation in HF-contained solution

J Wang, Y Zhang, H Hao, W Shen - Nanotechnology, 2018 - iopscience.iop.org
Stable luminescent colloidal silicon (Si) nanocrystals (NCs) with sufficient surface protection
are prepared through femtosecond laser ablation in organic solvent containing diverse …

Spectral dependencies of the stretched exponential dispersion factor and photoluminescence quantum yield as a common feature of nanocrystalline Si

M Greben, P Khoroshyy, J Valenta - physica status solidi (a), 2020 - Wiley Online Library
Herein, the spectral dependencies of the dispersion factor β (from the stretched exponential
function) and photoluminescence (PL) quantum yield (QY) of silicon nanocrystals (Si NCs) …

Surface functionalization of silicon nanocrystals via a microwave reactor

D Beri - 2021 - publikationen.bibliothek.kit.edu
Silizium-Nanokristalle (SiNCs) haben in den letzten Jahrzehnten aufgrund ihrer vielfältigen
(potenziellen) Anwendungen in Forschung und Industrie großes Interesse geweckt. SiNCs …