Results 251 to 260 of about 646,363 (390)

Immediate sequential corneal allogeneic intrastromal ring segment transplantation and cataract surgery. [PDF]

open access: yesAm J Ophthalmol Case Rep
Auffarth GU   +5 more
europepmc   +1 more source

Self‐Reinforcing Degradation of Solution‐Processed Small‐Molecule OLEDs: Excited‐States and Molecular Interactions as Key Triggers

open access: yesAdvanced Functional Materials, EarlyView.
Self‐reinforcing degradation in solution‐processed small‐molecule organic light‐emitting diodes (OLEDs) arises from charge accumulation and exciton‐polaron interactions, leading to molecular aggregation and efficiency loss. This study uncovers the fundamental mechanisms behind this degradation and introduces strategic material engineering approaches ...
Eonji Cha   +8 more
wiley   +1 more source

On the refractive index of gaseous fluorine

open access: gold, 1905
Clive Cuthbertson, E. B. R. Prideaux
openalex   +1 more source

Entering the Strong Coupling Regime in Conventional Organic Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
Organic solar cells convert light into fossil‐free energy, yet they still cannot compete with their silicon counterparts. Strong exciton‐photon coupling can ameliorate some properties of organic solar cells, but it requires additional mirrors that diminish light absorbance. Here, mirror‐free strong exciton‐photon coupling is implemented in conventional
Nicola Peruffo   +4 more
wiley   +1 more source

How X-ray dark-field imaging relates to small-angle X-ray scattering measurements. [PDF]

open access: yesJ Appl Crystallogr
Magnin C   +6 more
europepmc   +1 more source

Functionalized Lignin Derivatives as Melt‐Spinnable Precursors for Carbon Fiber Production without Stabilization

open access: yesAdvanced Functional Materials, EarlyView.
By turning off hydrogen bonds by bulky ethyl cinnamate ester derivatization, softwood kraft lignin can flow under elevated temperatures, providing tough fiber in the melt for high take‐up speed. Subsequently, lignin ethyl cinnamate derivatives are readily stabilized with only dilute nitric acid leading to direct carbonized fiber with outstanding ...
Qi Hua   +8 more
wiley   +1 more source

Cataract surgery in the extremely small eye: morphology, comorbidities and outcomes in 300 eyes. [PDF]

open access: yesBr J Ophthalmol
Hammer M   +7 more
europepmc   +1 more source

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