Results 121 to 130 of about 3,158,880 (294)

Single‐Step Fabrication of Smart 3D Microstructures Exploiting Naphthopyrans as Photoinitiators and Photochromic Molecules

Advanced Optical Materials, EarlyView.
Naphthopyran–benzophenone compounds can act simultaneously as photoinitiators and photochromic molecules for two‐photon polymerization. Using a single‐step process, liquid photoresist is encapsulated within polymerized 3D microstructures, preserving reversible UV–vis photochromism after fabrication.
João P. Leote, Artur Andrishak, Paulo J. Coelho, José R. Fernandes, Christian Maibohm, Jana B. Nieder   +5 more
wiley   +1 more source

Predicting the efficiency of luminescent solar concentrators for solar energy harvesting using machine learning

Scientific Reports
Building-integrated photovoltaics (BIPV) is an emerging technology in the solar energy field. It involves using luminescent solar concentrators to convert traditional windows into energy generators by utilizing light harvesting and conversion materials ...
Rute A. S. Ferreira, Sandra F. H. Correia, Lianshe Fu, Petia Georgieva, Mario Antunes, Paulo S. André   +5 more
doaj   +1 more source

Rare-Earth-Ion (RE³⁺)-Doped Aluminum and Lanthanum Borates for Mobile-Phone-Interrogated Luminescent Markers

Photonics
In this paper, we present the synthesis and luminescent spectra of rare-earth (RE)-doped aluminum and lanthanum borates intended to serve as narrow excitation–emission band fluorescent markers.
Katya Hristova, Irena P. Kostova, Tinko A. Eftimov, Daniel Brabant, Samia Fouzar   +4 more
doaj   +1 more source

Dynamic Fluorescence Modulation via Light‐Driven Competitive Protonation

Advanced Optical Materials, EarlyView.
A two‐component molecular system demonstrates reversible, light‐driven fluorescence write–erase cycling and thermal imaging. Illumination of a merocyanine photoacid transfers a proton to a highly efficient fluorescent pyridinium dye, switching its emission color; thermal relaxation reverses the process in the dark.
Serena X. Liu, Moritz E. Kleybolte, Colin van Dyck, Sergey I. Vagin, Preeti Gahtori, Antonio Scarpati, Razieh Firouzihaji, Diogo A. Galico, Ulrich S. Schubert, Julianne Gibbs, Alkiviathes Meldrum   +10 more
wiley   +1 more source

Screening of practically insoluble inorganic materials for luminescence properties and protein binding

Results in Optics
Persistently luminescent nanocomposites offer a promising platform for both molecular delivery and imaging of biological systems. Although inorganic nanoparticles provide excellent optical properties and traceability, their application is often ...
Rihards Ruska, Edgars Ruska, Dace Nilova, Baiba Berzina, Anatolijs Sarakovskis   +4 more
doaj   +1 more source

Transparent Single‐Dye NIR Photonic Platform for Multimodal Optical Authentication

Advanced Optical Materials, EarlyView.
A single‐component DHP‐SQ dye integrates visible transparency, near‐infrared (NIR) fluorescence, and photothermal functionality into one molecular platform. NIR‐selective visualization transforms visually imperceptible printed patterns into readily authenticated information, while screen‐printing compatibility enables well‐defined patterning on diverse
Su Jeong Choi, Seung Hyeon Kim, Dayoung Shin, Yeongnam Heo, Minseo Kim, Ji Hyeon Lee, Ji‐Eun Jeong, Young‐Jae Jin, Jin Chul Kim, Hyoung Eun Bae, Young Hoon Son, Sung Jin Park, Sang Hwan Nam, Young Il Park, Hyocheol Jung   +14 more
wiley   +1 more source

Gd(III)/Dy(III)-based coordination polymers for luminescent and magnetic properties

Results in Chemistry
Two isostructural lanthanide-based coordination polymers, namely, {[Gd2(H2dhtp)3(DMF)2(H2O)4]·2DMF·H2On (1) and {[Dy2(H2dhtp)3(DMF)2(H2O)4]·2DMF·H2O}n (2) (H4dhtp = 2,5-dihydroxyterephthalic acid, DMF = N, N-dimethylformamide) were synthesized and ...
Beibei Zheng, Chufei Miao, Han Xu, Jiaqi Lai, Meng Li, Jumei Tian   +5 more
doaj   +1 more source

Triplet harvesting in luminescent Cu(i) complexes by the thermally activated luminescence transition mechanism: impact of the molecular structure

, 2017
Thermally induced transition from ordinary phosphorescence to delayed fluorescence in two kinds of luminescent copper(i) complexes is comprehensively investigated by using variable-temperature time-integrated and time-resolved photoluminescence ...
Z. C. Su, Che, CM, Zheng, C, Cheng, G, C.-M. Che, S. J. Xu, C. C. Zheng, SU, Z, G. Cheng, Xu, S   +9 more
core   +1 more source

Rigid Boron‐Fused Frameworks for Efficient Near‐Infrared Emission and Optical Gain Beyond 900 nm

Advanced Optical Materials, EarlyView.
Multiple‐resonance (MR)‐derived boron‐fused frameworks were integrated into narrow‐gap, long‐range charge‐transfer emitters to reduce structural relaxation and electron‐vibrational coupling. This strategy significantly decreases nonradiative losses, leading to improved near‐infrared (NIR) luminescence efficiency and low‐threshold amplified spontaneous ...
Masashi Mamada, Atsushi Hatanaka, Masahiro Hayakawa, Shintaro Kohata, Chihaya Adachi, Hajime Nakanotani, Takuji Hatakeyama   +6 more
wiley   +1 more source

Single‐Photon Emitters in Thickness‐Controlled hBN Directly Grown on Silicon Platform

Advanced Optical Materials, EarlyView.
Direct, catalyst‐free CVD growth produces thickness‐controlled hBN films on SiO2/Si without transfer. Growth temperature, film thickness, and carbon incorporation tune the density and single‐photon fraction of defect emitters while preserving the hBN lattice structure.
Yeunjeong Lee, Dobin Kim, Sofiya Karankova, Su‐Hyun Gong, Young Duck Kim, Jaehyun Park, Hyowon Moon   +6 more
wiley   +1 more source