Results 181 to 190 of about 421,951 (351)

Challenges and Opportunities of Upconversion Nanoparticles for Emerging NIR Optoelectronic Devices

open access: yesAdvanced Materials, EarlyView.
The special photo‐responsiveness of upconversion nanoparticles has opened up a new path for the advancement of near‐infrared (NIR)‐responsive optoelectronics. However, challenges such as low energy‐conversion efficiency and high nonradiative losses still persist.
Sunyingyue Geng   +7 more
wiley   +1 more source

Harnessing Photo‐Energy Conversion in Nanomaterials for Precision Theranostics

open access: yesAdvanced Materials, EarlyView.
Harnessing photo‐energy conversion in nanomaterials enables precision theranostics through light‐driven mechanisms such as photoluminescence, photothermal, photoelectric, photoacoustic, photo‐triggered surface‐enhanced Raman scattering (SERS), and photodynamic processes. This review explores six fundamental principles of photo‐energy conversion, recent
Jingyu Shi   +4 more
wiley   +1 more source

Role of Amorphous Phases in Mixed Conduction of Conjugated Regioblock Copolymers for Organic Electrochemical Synaptic Transistors

open access: yesAdvanced Materials, EarlyView.
Critical roles of amorphous and crystalline phases in polymer‐based mixed ionic‐electronic conductors for organic electrochemical synaptic transistors using conjugated regioregular‐block‐regiorandom copolymers are demonstrated. Amorphous phases contribute to gradual polaron formation and strong ion trapping by bipolarons, leading to improved synaptic ...
Kwang‐Hun Choi   +10 more
wiley   +1 more source

Ionic Conductive Textiles for Wearable Technology

open access: yesAdvanced Materials, EarlyView.
Recent advances in ionic conductive textiles for wearable technology are summarized, with a focus on soft ionic conductors that exhibit skin‐like flexibility and tissue‐like ion dynamics. Their structures, key characteristics, manufacturing methods, and diverse applications are reviewed.
Lingtao Fang, Yunlu Zhou, Qiyao Huang
wiley   +1 more source

Frequency Switching Neuristor for Realizing Intrinsic Plasticity and Enabling Robust Neuromorphic Computing

open access: yesAdvanced Materials, EarlyView.
A frequency switching (FS) neuristor is proposed, comprising a Mott memristor and a valence change mechanism (VCM) memristor. The FS neuristor exhibits a multi‐level frequency–voltage (f–V) characteristics, enabling the implementation of neuronal intrinsic plasticity transfer functions.
Woojoon Park   +12 more
wiley   +1 more source

Revisiting Ferroelectric‐Gated Phototransistors: A Tripartite Synapse‐Inspired Approach to In‐Sensor Image Processing

open access: yesAdvanced Materials, EarlyView.
A ferroelectric‐gated phototransistor (FGPT) enables linear and multilevel modulation of photoconductance through partial polarization switching and photogating effects. The device achieves photonic non‐volatility over a 153 dB dynamic range and performs in‐sensor processing under unstructured illumination, demonstrating enhanced face recognition ...
Yubin Lee   +13 more
wiley   +1 more source

Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing

open access: yesAdvanced Materials, EarlyView.
This work has provided a protocol for fabricating retinomorphic phototransistors by integrating ferroelectric ligands with quantum dots. The resulting device combines ferroelectricity, optical responsiveness, and low‐power operation to enable adaptive signal amplification and high recognition accuracy under low‐light conditions, while supporting ...
Tingyu Long   +26 more
wiley   +1 more source

The molecular infrastructure of glutamatergic synapses in the mammalian forebrain. [PDF]

open access: yesElife
Peukes J   +11 more
europepmc   +1 more source

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