Results 281 to 290 of about 252,870 (332)

Phase Topology Stability of an Optical Vortex via an Electrically Controlled Twist‐Planar Oriented Liquid Crystal Fresnel Lens

open access: yesAdvanced Optical Materials, EarlyView.
A simple and efficient method for determining the stability of optical vortices via Fourier transform using a conventional spherical lens is presented. The theoretical and experimental results demonstrate a practical approach to directly and unambiguously measure the magnitude and sign of the topological charge of a beam without altering an ...
Elena Melnikova   +5 more
wiley   +1 more source

Permeation Barriers Grown by Atomic Layer Deposition Endow Non-Fullerene Organic Solar Cells with Damp-Heat Resilience. [PDF]

open access: yesACS Appl Mater Interfaces
Zimmermann F   +6 more
europepmc   +1 more source

Benchmarking Organic Photodiodes at the Noise Floor

open access: yesAdvanced Optical Materials, EarlyView.
A precise measurement framework based on a calibrated, ultra‐low‐noise automated setup with open‐source Python scripts enables accurate benchmarking of photodiodes. The unique combination of time‐dependent current measurement under dark conditions, followed by continuous‐wave faint illumination, facilitates reliable extraction of photocurrent near ...
Siddhartha Saggar   +2 more
wiley   +1 more source

Tuning the morphology and energy levels in organic solar cells with metal-organic framework nanosheets. [PDF]

open access: yesSci Rep
Sasitharan K   +7 more
europepmc   +1 more source

A dendritic hexamer acceptor enables 19.4% efficiency with exceptional stability in organic solar cells. [PDF]

open access: yesNat Commun
Jia T   +18 more
europepmc   +1 more source

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