Results 121 to 130 of about 122,223 (316)

Divalent europium-doped near-infrared-emitting phosphor for light-emitting diodes

Nature Communications, 2019
Here the authors report a near-infrared K3LuSi2O7:Eu2+ phosphor for non-visible light source application. The selective site occupation of Eu2+ in LuO6 and K2O6 polyhedrons is found to be responsible for the light emission and these insights could serve ...
Jianwei Qiao, Guojun Zhou, Yayun Zhou, Qinyuan Zhang, Zhiguo Xia   +4 more
doaj   +1 more source

Phase Engineering of Atomically Precise Nanoclusters (APNCs) of Gold and Beyond

Advanced Materials, EarlyView.
Engineering the structural phase of materials is of paramount importance for both fundamental research and practical applications. In this Review, we summarize the recent progress in controlling the phases of atomically precise nanoclusters (APNCs) of gold, silver and copper, as well as bimetallic systems. The phase‐enabled material properties of APNCs
Yitong Wang, Avirup Sardar, Weijie Ji, Zhongyu Liu, Rongchao Jin   +4 more
wiley   +1 more source

Luminescent crystals and manufacturing thereof [PDF]

, 2018
The present invention relates to the field of luminescent crystals (LCs), and more specifically to Quantum Dots (QDs) of formula A1aM2bXc, wherein the substituents are as defined in the specification.
Protesescu, Loredana, Kissel, Patrick, Oszajca, Marek, Kovalenko, Maksym, Lüchinger, Norman Albert, Krieg, Franziska   +5 more
core   +2 more sources

Second‐Harmonic Hyper‐Mie Optical Activity Enables Closed‐Loop Chiral Photochemistry

Advanced Materials, EarlyView.
Nonlinear chiral photochemistry is demonstrated in CdTe/CdO nanohelices, where circularly polarized infrared light both drives and tracks photo‐oxidation via second‐harmonic scattering. This closed‐loop process reveals real‐time structural evolution, including shell fracturing and core exposure, accompanied by a transition from hyper‐Mie to hyper ...
Hoyeon Choi, Kody Whisnant, Ben J. Olohan, E. Petronijevic, G. Dan Pantoș, Nicholas A. Kotov, Ventsislav K. Valev   +6 more
wiley   +1 more source

Sensitive and Spatially‐Resolved Electrochemiluminescence via Micropatterning

Advanced Materials Interfaces, EarlyView.
The use of a simple silica nanoparticle surface coating and patterning process can transform ordinary gold electrodes into multiplexed ECL sensing electrodes. Through spatially confined droplet formation and local ECL emission, it is possible to perform multiple analyses simultaneously from individual locations as well as intensify the ECL signal by as
Yuliang Shao, Tatiana Starikova, Mengzhen Xi, Maria Vittoria Balli, Emanuele Luigi Sciuto, Gabriele Giagu, Vincenzo Paratore, Carmelo Corsaro, Enza Fazio, Sabrina Conoci, Luca Prodi, Giovanni Valenti, Pavel A. Levkin   +12 more
wiley   +1 more source

Porous Silicon - New Luminescent Material or Luminescent Defect?

, 1993
The recent topic of visible luminescent porous Si is reviewed with an emphasis on luminescent mechanism. Among various mechanisms proposed, size quantization plays some important role and is experimentally observable but it would not be a key entity ...
Mizuta, M.
core   +1 more source

Gas‐Selective Remote Plasma Engineering of WO3 Photoanodes for Solar Water Splitting

Advanced Materials Interfaces, EarlyView.
Gas‐selective remote plasma treatment tunes the near‐surface defect chemistry of WO3 photoanodes without altering their bulk structure. Ar plasma generates the most oxygen‐vacancy‐rich surface and the highest W5+ content, delivering the strongest photocurrent.
Elham Jassemi Zargani, Amar K. Salih, Salma M. Ali, Hongjun Chen, Antonio Tricoli, Cuong Ton‐That   +5 more
wiley   +1 more source

Organic luminescent molecules for luminescent down-shifting and luminescent solar concentrators

, 2015
Solar cells are photovoltaic devices that covert solar energy into electricity. Although there are numerous research on solar cells, their wide application in current world is still questionable due to the low power conversion efficiency and/or output ...
Li, Yilin
core  

Luminescent sensing

, 2012
The development of luminescent sensing has been central to the field of supramolecular chemistry. Herein, we give a some insight into some of the developments that have taken place in recent times, focusing most of our effort on the discussion of ...
Parkesh, Raman, Raman Parkesh, Emma B. Veale, Gunnlaugsson, Thorfinnur, Veale, Emma B., Jonathan A. Kitchen, Kitchen, Jonathan A., Thorfinnur Gunnlaugsson   +7 more
core   +1 more source

Advances in Halide Perovskites for Photon Radiation Detectors

Advanced Materials Technologies, EarlyView.
This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang, Jieqi Wang, Xiaojun Cui, Carsten Ronning   +3 more
wiley   +1 more source