Results 231 to 240 of about 119,844 (297)

Charge Transfer States in Donor–Acceptor Bulk‐Heterojunctions as Triplet–Triplet Annihilation Sensitizer for Solid‐State Photon Upconversion

open access: yesAdvanced Materials Interfaces, EarlyView.
A near‐infrared photosensitizer that facilitates efficient solid‐state photon upconversion by recycling triplets formed within a fullerene‐based donor–acceptor bulk‐heterojunction system is demonstrated. Spectroscopic investigations reveal that the energy of photogenerated charge transfer states of triplet character (3CT) is subsequently transferred to
Maciej Klein   +4 more
wiley   +1 more source

Design of a Low-Cost Flat E-Band Down-Converter with Variable Conversion Gain. [PDF]

open access: yesSensors (Basel)
Harifi-Mood M   +5 more
europepmc   +1 more source

Vasomotion in Human Fingers.

open access: yesJ Vasc Res
Talke P   +4 more
europepmc   +1 more source

Simplified radar architecture based on information metasurface. [PDF]

open access: yesNat Commun
Wang SR   +12 more
europepmc   +1 more source

Polynomial Digital-to-Analogic Converter

2021 19th IEEE International New Circuits and Systems Conference (NEWCAS), 2021
This work presents a new topology for a digital-to-analog converter (DAC) based on polynomial reconstruction. The proposal is to reconstruct a signal with the information of amplitude, time and exponent. The general idea is to use a reconstruction based on signal morphology using a polynomial approximation method, thus being able to significantly ...
Guilherme A. Mattos   +2 more
openaire   +1 more source

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