Suppressing Exciton‐Vibration Coupling to Prolong Exciton Lifetime of Nonfullerene Acceptors Enables High‐Efficiency Organic Solar Cells

Y Zhu, D He, C Wang, X Han, Z Liu… - Angewandte Chemie …, 2024 - Wiley Online Library
The limited exciton lifetime (τ, generally< 1 ns) leads to short exciton diffusion length (LD) of
organic semiconductors, which is the bottleneck issue impeding the further improvement of …

Exciton-phonon interaction and relaxation times from first principles

HY Chen, D Sangalli, M Bernardi - Physical Review Letters, 2020 - APS
Electron-phonon interactions are key to understanding the dynamics of electrons in
materials and can be modeled accurately from first principles. However, when electrons and …

Phonon scattering and exciton localization: molding exciton flux in two dimensional disorder energy landscape

P Qi, Y Luo, B Shi, W Li, D Liu, L Zheng, Z Liu, Y Hou… - elight, 2021 - Springer
Two dimensional excitonic devices are of great potential to overcome the dilemma of
response time and integration in current generation of electron or/and photon based …

Rydberg Excitons and Trions in Monolayer MoTe2

S Biswas, A Champagne, JB Haber, S Pokawanvit… - ACS …, 2023 - ACS Publications
Monolayer transition metal dichalcogenide (TMDC) semiconductors exhibit strong excitonic
optical resonances, which serve as a microscopic, noninvasive probe into their fundamental …

Photoconductivity Multiplication in Semiconducting Few-Layer MoTe2

W Zheng, M Bonn, HI Wang - Nano letters, 2020 - ACS Publications
We report efficient photoconductivity multiplication in few-layer 2H-MoTe2 as a direct
consequence of an efficient steplike carrier multiplication with near unity quantum yield and …

Strain-Induced Indirect-to-Direct Bandgap Transition, Photoluminescence Enhancement, and Linewidth Reduction in Bilayer MoTe2

Y Yu, CD Dong, R Binder, S Schumacher, CZ Ning - ACS nano, 2023 - ACS Publications
Two-dimensional (2D) layered materials provide an ideal platform for engineering electronic
and optical properties through strain control because of their extremely high mechanical …

Tuning trion binding energy and oscillator strength in a laterally finite 2D system: CdSe nanoplatelets as a model system for trion properties

S Ayari, MT Quick, N Owschimikow, S Christodoulou… - Nanoscale, 2020 - pubs.rsc.org
We present a theoretical study combined with experimental validations demonstrating that
CdSe nanoplatelets are a model system to investigate the tunability of trions and excitons in …

Selective Growth and Robust Valley Polarization of Bilayer 3R-MoS2

F Ullah, JH Lee, Z Tahir, A Samad, CT Le… - … Applied Materials & …, 2021 - ACS Publications
Noncentrosymmetric transition-metal dichalcogenides, particularly their 3 R polymorphs,
provide a robust setting for valleytronics. Here, we report on the selective growth of …

Strained Monolayer MoTe2 as a Photon Absorber in the Telecom Range

MS Ramzan, C Cocchi - Nanomaterials, 2023 - mdpi.com
To achieve the atomistic control of two-dimensional materials for emerging technological
applications, such as valleytronics, spintronics, and single-photon emission, it is of …

Interlayer Charge-Transfer-Induced Photoluminescence Quenching and Enhanced Photoconduction in Two-Dimensional Bi2O2Se/MoS2 Type-II Heterojunction

MT Hossain, LPL Mawlong, T Jena… - ACS Applied Nano …, 2023 - ACS Publications
Interlayer charge transfer (CT) based on band alignment plays a vital role in various
optoelectronic applications, such as photoluminescence modulation, superior …