Results 161 to 170 of about 778,720 (285)

Programmable solar‐blind ultraviolet sensors enabling integrated single‐pixel sensing and neuromorphic processing

open access: yesInfoMat, EarlyView.
A Schottky photodiode based on (Al0.14Ga0.86)2O3 was developed, in which the sensing and processing functions were temporally decoupled through bias voltage modulation. By integrating single‐pixel imaging with a reservoir computing architecture, a comprehensive intelligent vision system was constructed.
Hongbin Wang   +10 more
wiley   +1 more source

Origin, verification, and device‐level impacts of p‐doping in two‐dimensional transition metal dichalcogenides

open access: yesInfoMat, EarlyView.
This review provides a comprehensive perspective on p‐doping in two‐dimensional transition metal dichalcogenides, linking the origins of carrier polarity, doping mechanisms, verification methodologies, and device‐level impacts. By establishing correlations among atomic‐scale doping, carrier modulation, and device functionality, it offers practical ...
Seo Yeon Han   +4 more
wiley   +1 more source

Impacts of Fermi Level Pinning at Hole‐Selective Contacts in CdSeTe/CdTe Solar Cells

open access: yesProgress in Photovoltaics: Research and Applications, EarlyView.
Experimental measurements and SCAPS simulations consistently demonstrate dark–light J–V non‐superposition in CdSeTe/CdTe solar cells. The results indicate that donor‐like interface states at the ZnTe/CdTe contact pin the Fermi level, thereby producing a parasitic built‐in voltage that accounts for the observed non‐superposition (take‐off) behavior ...
Ariful Islam   +5 more
wiley   +1 more source

Wet‐Transferred MoS2 on Passivated InP: A Van der Waals Heterostructure for Advanced Optoelectronic Applications

open access: yesphysica status solidi (RRL) – Rapid Research Letters, Volume 19, Issue 5, May 2025.
This study presents a photodetector based on atomically thin MoS2 on an InP substrate, forming an n‐MoS2/p‐InP type‐II staggered heterojunction. The device exhibits excellent rectifying properties with an ideality factor of 1.57 and achieves a peak photoresponsivity of 960 mA W−1, while MoS2 provides stable passivation for InP. III–V semiconductors are
Dong Hwi Choi   +8 more
wiley   +1 more source

Opportunities for 2D‐Material‐Based Multifunctional Devices and Systems in Bioinspired Neural Networks

open access: yesSmall, EarlyView.
Bio‐inspired computing offers a route to highly energy‐efficient artificial intelligence. The unique physical properties of two‐dimensional (2D) materials can further enhance such computing approaches. This perspective highlights recent developments in 2D materials‐based neuromorphic devices and discusses future opportunities for integrating such novel
Jin Feng Leong   +9 more
wiley   +1 more source

Contactless Detection of Giant Helicity‐Dependent Photovoltage in Chiral 2D Perovskites

open access: yesSmall, EarlyView.
A novel contactless probe—circularly polarized time‐resolved surface photovoltage spectroscopy is demonstrated to evaluate helicity‐dependent charge separation dynamics without the need for electrical contacts. Application of this novel methodology to chiral 2D perovskites reveals giant transient surface photovoltage anisotropy.
Joanna Dehnel   +4 more
wiley   +1 more source

Hardware‐Efficient Locality‐Preserving Graph Processing via Ferroelectric Fowler–Nordheim Tunneling Crossbar Array

open access: yesSmall, EarlyView.
Real‐world graph data are directly mapped onto an mCBA, enabling node similarity to be computed through a single current readout. Strongly nonlinear devices suppress long‐range multi‐hop contributions while preserving local connectivity, whereas weakly nonlinear devices allow excessive signal propagation.
Jae‐Hyun Lee   +7 more
wiley   +1 more source

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