Results 131 to 140 of about 631,742 (318)

Ultrasensitive Anti‐Stokes Luminescence Thermometry in Transition Metal Dichalcogenide Monolayers

open access: yesAdvanced Functional Materials, EarlyView.
We demonstrate a highly sensitive nanothermometer using anti‐Stokes photoluminescence, also known as photoluminescence upconversion (UPL), in monolayer tungsten disulfide. A strong resonantly enhanced UPL is observed, confirming the central role of optical phonons in the PL upconversion mechanism.
Sharada Nagarkar   +6 more
wiley   +1 more source

Chlorination‐Enabled Oxygen Control and Dual‐Sulfur Source Aided Trap Passivation to Unlock 8.24% Efficient Sb2S3 Photovoltaic Devices

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates a scalable, low‐temperature synthesis strategy that combines a thioacetamide (TA)‐based dual sulfur source with CdS chlorination, enabling the formation of high‐quality Sb2S3 with a reduced open‐circuit voltage loss, resulting in improved device efficiency.
Vijay C. Karade   +16 more
wiley   +1 more source

Epistasis, core-genome disharmony, and adaptation in recombining bacteria

open access: yesmBio
Recombination of short DNA fragments via horizontal gene transfer (HGT) can introduce beneficial alleles, create genomic disharmony through negative epistasis, and create adaptive gene combinations through positive epistasis.
Aidan J. Taylor   +22 more
doaj   +1 more source

Données de réplication pour : Mating system and the evolution of recombination rates in seed plants

open access: yes
Code and data to replicate the results in the paper Mating system and the evolution of recombination rates in seed plants. This publication is a meta-analysis gathering data on genetic maps and life history traits in more than one hundred plant ...
Brazier, Thomas, Glémin, Sylvain
core   +1 more source

Polarity‐Reversible Photoresponse–Driven Autonomous Wavelength Discrimination in Quantum Dot–Tellurium Thin‐Film Photodetectors via Engineered Energy‐Band Alignment

open access: yesAdvanced Functional Materials, EarlyView.
A quantum dot–tellurium thin‐film photodetector autonomously discriminates visible and infrared wavelengths through polarity‐reversible photoresponses. Engineered carrier separation and gain modulation enable filter‐free multispectral sensing within a single‐device architecture.
Yong Min Lee   +7 more
wiley   +1 more source

Evaluación de poblaciones de zapallo (Cucurbita moschata) por caracteres de importancia agroindustrial Evaluation of squash (Cucurbita moschata) populations for significant agribusiness traits

open access: yesActa Agronómica, 2010
Se evaluó el potencial agroindustrial de siete poblaciones de zapallo (Cucurbita moschata) derivadas de la recombinación de genotipos de alto desempeño en caracteres asociados con rendimiento y calidad de fruto.
Magda Piedad Valdés Restrepo   +3 more
doaj  

Improved Bayesian methods for detecting recombination and rate heterogeneity in DNA sequence alignments

open access: yes, 2011
DNA sequence alignments are usually not homogeneous. Mosaic structures may result as a consequence of recombination or rate heterogeneity. Interspecific recombination, in which DNA subsequences are transferred between different (typically viral or ...
Mantzaris, Alexander Vassilios   +2 more
core  

Radiative recombination data for modeling dynamic finite-density plasmas

open access: yes, 2006
We have calculated partial final-state resolved radiative recombination (RR) rate coefficients from the initial ground and metastable levels of all elements up to and including Zn, plus Kr, Mo, and Xe, for all isoelectronic sequences up to Na-like ...
Badnell, N.R.
core   +1 more source

Self‐Adaptive Anhydrous Passivation Mitigates Open‐Circuit Voltage Loss in Pb‐Sn Mixed Perovskite Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
In this report, a self‐adaptive anhydrous passivation strategy is introduced by incorporating trimellitic anhydride (TMAH) into the perovskite precursor. In situ hydrolysis of TMAH yields trimellitic acid (TMA); ‐C═O/‐COO− groups of TMAH/TMA form a chelate with undercoordinated Pb2+/Sn2+, regulate nucleation, promote (100) orientation, passivate ...
Md. Ataur Rahman   +6 more
wiley   +1 more source

Theory of the charge recombination reaction rate in dye sensitised solar cells [PDF]

open access: yes
In this thesis we present a theoretical approach to the study of the charge recombination reaction in dye sensitised solar cells. An expression for the charge transfer rate at the semiconductor-molecule interface has been derived in chapter 2, within ...
Maggio, Emanuele
core  

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