Results 181 to 190 of about 22,469 (293)

Meso-electron-withdrawing pentamethine cyanines achieve large anti-Stokes blue-emitting triplet-triplet annihilation upconversion. [PDF]

Nat Commun
Zhang Z, Zhang MY, Jiang LH, Li YZ, Guo DX, Yang YQ, Huang L.   +6 more
europepmc   +1 more source

NIR I‐to‐NIR I Time‐Gated Luminescence Detection From Tm3+‐Doped Gd3TaO7 for Deep Tissue Imaging

Advanced Optical Materials, Volume 14, Issue 34, 11 September 2026.
A new generation of optical imaging (OI) using temporal resolution, exploring a NIR I‐to‐NIR I biological window emission by a Phonon Assisted Conversion (PAC) system singly doped with Tm3+ ions. Although still in early development, this approach opens new directions for designing optimized fluorophores to enhance bioimaging performance.
Fernanda H. Borges, Robert Mauricot, Sebastien Moyano, Luan Passini, Marc Verelst, Rogéria R. Gonçalves   +5 more
wiley   +1 more source

Cascaded Photon Upcycling in an Upconversion-Plasmonic Fabry-Pérot Cavity for Broadband Solar Hydrogen Production from PLA Waste. [PDF]

Materials (Basel)
Han L, Zheng J, Li K, Li Y, Ni Y, Lu C.
europepmc   +1 more source

Enhancing upconversion [PDF]

Nature Materials, 2014
openaire   +1 more source

Gain Narrowing in Low‐Dimensional PEA:CsPbBr3: Superfluorescence versus Amplified Spontaneous Emission

Advanced Optical Materials, Volume 14, Issue 35, 18 September 2026.
Superfluorescence is a cooperative emission process not scaling with sample volume. Amplified spontaneous emission is a collective process scaling with sample volume and is enhanced by waveguiding. Both manifest in a narrow emission peak. Choosing the right substrate suppresses waveguiding and demonstrates that the emission feature observed in PEA ...
Pirmin Tischler, Valerie Y. Horter, Yang Li, Holger Geßwein, Weimu Xu, Renjun Guo, Orlando Torres Perales, Julian Petry, Ulrich W. Paetzold, Nils W. Rosemann, Uli Lemmer   +10 more
wiley   +1 more source

Upconversion nanocrystals [PDF]

Nature Photonics, 2012
openaire   +1 more source

Nanomaterial‐Incorporated Nonlinear Optical Waveguides Explored With All‐Fiber Multiphoton Polymerization

Advanced Optical Materials, Volume 14, Issue 35, 18 September 2026.
Nonlinear waveguides are fabricated via an all‐fiber‐based multiphoton polymerization approach incorporating upconversion nanoparticles (UCNPs), which enable both multiphoton absorption at telecommunication wavelengths and nonlinear saturable absorption operation.
Bowon Ryu, Seungyong Shin, Myungjin Kang, Young Joon Moon, Jihoon Kyhm, Hyowon Moon, Ho Seong Jang, Yong‐Won Song   +7 more
wiley   +1 more source

Donor Extended Blue TADF Dendrimer for High‐Performance Solution‐Processed OLEDs

Advanced Science, Volume 13, Issue 51, 14 September 2026.
A dendronized MR‐TADF emitter, DOBNA‐SpAc‐DCz, was designed to improve solubility, hole transport, and exciton dynamics for solution‐processed OLEDs. Incorporation of ter(tert‐butylcarbazole) dendrons decreases ΔEST and accelerates RISC, yielding short delayed lifetimes (∼2 µs).
Mahni Fatahi, Yuka Yasuda, Ryo Kondo, Hironori Kaji, Eli Zysman‐Colman   +4 more
wiley   +1 more source

Mid-infrared snapshot spectral imaging via nonlinear radial dispersion. [PDF]

Nat Commun
Fang J, Huang K, Qin R, Zhang J, Zeng H.
europepmc   +1 more source

Dynamically Tunable Exciton‐Photon Coupling via Multi‐Physics Field in Transition Metal Dichalcogenide Microcavities

Advanced Science, Volume 13, Issue 51, 14 September 2026.
Dynamic microcavities provide reversible control over exciton‐photon coupling in two‐dimensional TMDs through piezoelectric, electrical, thermal, and all‐optical tuning. By reshaping detuning, Rabi splitting, and polariton composition, these strategies enable adaptable polaritonic functions, including optical switching, polariton lasing, and ...
Jingwen Zhang, Wenqi Qian, Haiyi Liu, Guangyi Tao, Hai Liu, Yifan Zhang, Pengfei Qi, Zheyu Fang   +7 more
wiley   +1 more source