Results 151 to 160 of about 286,805 (345)

Theory of probing a photonic crystal with transmission near-field optical microscopy [PDF]

open access: green, 1998
Garnett W. Bryant   +5 more
openalex   +1 more source

Molecular Control of the Donor/Acceptor Interface Suppresses Charge Recombination Enabling High‐Efficiency Single‐Component Organic Solar Cells

open access: yesAdvanced Materials, EarlyView.
The outstanding double‐cable‐based single‐component material, DCPY2, exhibits a suppressed charge recombination process alongside efficient charge generation. This results in a high fill factor and short‐circuit current, yielding an efficiency to 13.85%.
Yao Li   +19 more
wiley   +1 more source

Fabrication and Characterization of On-Chip Integrated Silicon Photonic Bragg Grating and Photonic Crystal Cavity Thermometers [PDF]

open access: yesarXiv, 2015
We report on the fabrication and characterization of photonic-based nanothermometers, a silicon photonic Bragg grating and photonic crystal cavity. When cladded with silicon dioxide layer the sensors have at least eight times better sensitivity compared to the sensitivity of conventional fiber Bragg grating sensors.
arxiv  

Widely Tunable Resonant Cavity Enhanced Detectors Built Around Photonic Crystals [PDF]

open access: green, 1999
Ekmel Özbay   +4 more
openalex   +1 more source

Pushing Radiative Cooling Technology to Real Applications

open access: yesAdvanced Materials, EarlyView.
Radiative cooling controls surface optical properties for solar and thermal radiation, offering solutions for global warming and energy savings. Despite significant advances, key challenges remain: optimizing optical efficiency, maintaining aesthetics, preventing overcooling, enhancing durability, and enabling scalable production.
Chongjia Lin   +8 more
wiley   +1 more source

Topology optimization of a 120° bending high temperature superconducting photonic crystal waveguide

open access: yesResults in Physics
The two-dimensional high-temperature superconducting photonic crystal structure has been widely studied as a novel type of photonic crystal structure.
Fei Wang   +7 more
doaj  

Photonic crystal microcavity enhanced LEDs [PDF]

open access: green, 1998
Thomas F. Krauss   +5 more
openalex   +1 more source

A Bio‐Inspired Perspective on Materials Sustainability

open access: yesAdvanced Materials, EarlyView.
This perspective discusses natural materials as inspiration for sustainable engineering designs and the processing of materials. First, circularity, longevity, parsimony, and activity are presented as essential material paradigms. The perspective then uses many examples of natural and technical materials to introduce principles such as oligo ...
Wolfgang Wagermaier   +2 more
wiley   +1 more source

Photonic Crystal Films with High Refractive Index Contrast [PDF]

open access: bronze, 2000
Manfred Müller   +4 more
openalex   +1 more source

SciAgents: Automating Scientific Discovery Through Bioinspired Multi‐Agent Intelligent Graph Reasoning

open access: yesAdvanced Materials, EarlyView.
The SciAgents AI model drives hypothesis generation by harnessing multi‐agent graph reasoning, extracting insights from knowledge graphs constructed from scientific papers. Each agent plays a specific role: the Ontologist defines concepts, the Scientists draft and refine proposals, and the Critic reviews.
Alireza Ghafarollahi, Markus J. Buehler
wiley   +1 more source

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