Results 281 to 290 of about 777,754 (321)

Highly Luminous Scintillating Nanocomposites Enable Ultrafast Time Coincidence Resolution for γ‐rays Detection with Heterostructured Multilayer Scintillators

Advanced Functional Materials, EarlyView.
A scintillating polymeric composites loaded with hafnia nanoparticles is engineered to obtain a highly luminous material, thus achieving a 400% improvement of the scintillation yield under soft X‐rays. The nanocomposite is employed to realize a multilayer heterostructured prototype scintillator than enable for ultrafast time coincidence resolution in ...
Matteo Sala, Matteo Orfano, Valeria Secchi, Ilaria Mattei, Nicolò Pianta, Vojtech Zabloudil, Carsten Lowis, Romana Kučerková, Martin Nikl, Francesco Meinardi, Etiennette Auffray, Irene Villa, Angelo Monguzzi   +12 more
wiley   +1 more source

Multiple effects of aromatic substituents on excited-state properties and singlet fission process in azaquinodimethane systems. [PDF]

Chem Sci
Zhao Z, Wang S, Shi X, Fu H, Wang L.
europepmc   +1 more source

Ultra‐Effective Light‐Activated Antibacterial Activity via Carboxyl Functionalized Graphene Quantum Dots and Films

Advanced Functional Materials, EarlyView.
Carboxyl‐functionalized graphene quantum dots (cGQDs) exhibit high singlet oxygen quantum yield due to strong spin–orbit coupling. cGQDs achieve minimum bactericidal concentration of only 0.4 µg mL−1 against S. aureus under low‐intensity illumination.
Muhammad Hassnain, Laure S. van Hofwegen, Humeyra Nur Kaleli, Temirlan Kubanaliev, Zafer Eroglu, Asim Onal, Payal P. S. Balraadjsing, Onder Metin, Fahri Alkan, Sebastian A. J. Zaat, Sedat Nizamoglu   +10 more
wiley   +1 more source

Beyond the First Coordination Sphere─Manipulating the Excited-State Landscape in Iron(II) Chromophores with Protons. [PDF]

J Am Chem Soc
Witas K, Nair SS, Maisuradze T, Zedler L, Schmidt H, Garcia-Porta P, Rein ASJ, Bolter T, Rau S, Kupfer S, Dietzek-Ivanšić B, Sorsche DU.   +11 more
europepmc   +1 more source

Highly Off‐Centering Cations in Pavonite‐Structured Ag1.75InSb5.75Se11 with Competitive Thermoelectric Performance

Advanced Functional Materials, EarlyView.
Off‐centering of cations in pavonite‐structured Ag1.75InSb5.75Se11 (AISS) breaks crystal symmetry, inducing Rashba‐like band splitting and high band degeneracy, thus enhancing Seebeck coefficients. Soft bonds between off‐centered cations and Se atoms increase phonon scattering, achieving low lattice thermal conductivity (0.22 W m−1K−1 at 723 K). Doping
Chenghao Xie, Rongcheng Li, Weibin Xu, Bowen Jin, Xiao‐Lei Shi, Xinfeng Tang, Gangjian Tan, Zhi‐Gang Chen   +7 more
wiley   +1 more source

Target Analysis Resolves the Ground and Excited State Properties from Femtosecond Stimulated Raman Spectra. [PDF]

J Phys Chem Lett
van Stokkum IHM, Snellenburg JJ, Chrupková P, Dostal J, Weigand S, Weißenborn J, Kennis JTM, Kloz M.   +7 more
europepmc   +1 more source

Shape‐Reconfigurable Crack‐Based Strain Sensor with Ultrahigh and Tunable Sensitivity

Advanced Functional Materials, EarlyView.
A highly sensitive crack‐based sensor with tunable strain detection capabilities is demonstrated through controlled nanocrack formation in a line‐patterned shape memory polymer substrate. The sensor design integrates thermoplastic polyurethane and poly(lactic acid), enabling thermo‐responsive reconfiguration of crack geometry.
Seungjae Lee, Youngoh Lee, Cheolhong Park, Yun Goo Ro, Min Sub Kwak, Geonyoung Jeong, Junseo Park, Hyejin Lee, Pan Kyeom Kim, Sung‐Il Chung, Hyunhyub Ko   +10 more
wiley   +1 more source

Symmetry Breaking in the Lowest-Lying Excited-State of CCl₄: Valence Shell Spectroscopy in the 5.0-10.8 eV Photon Energy Range. [PDF]

Molecules
Dalagnol LVS, Kumar S, Barbosa AS, Akther US, Jones NC, Hoffmann SV, Bettega MHF, Limão-Vieira P.   +7 more
europepmc   +1 more source

Inter‐Layer Diffusion of Excitations in 2D Perovskites Revealed by Photoluminescence Reabsorption

Advanced Functional Materials, EarlyView.
Inter‐layer diffusion of photoexcitations is monitored in thin films of the 2D perovskite (PEA)2PbI4 by tracking time‐dependent changes in photoluminescence spectra induced by photon reabsorption effects. A low out‐of‐plane excitation diffusion coefficient of 0.26 × 10−4 cm2 s−1 is determined through 1D diffusion modeling.
Jiaxing Du, Marcello Righetto, Manuel Kober‐Czerny, Siyu Yan, Karim A. Elmestekawy, Henry J. Snaith, Michael B. Johnston, Laura M. Herz   +7 more
wiley   +1 more source

The Excited-State Lifetime of Poly(NDI2OD-T2) Is Intrinsically Short. [PDF]

J Phys Chem C Nanomater Interfaces
Gish MK, Karunasena CD, Carr JM, Kopcha WP, Greenaway AL, Mohapatra AA, Zhang J, Basu A, Brosius V, Pratik SM, Bredas JL, Coropceanu V, Barlow S, Marder SR, Ferguson AJ, Reid OG.   +15 more
europepmc   +1 more source