Results 221 to 230 of about 19,577 (268)
Yb<sub>2</sub>-Tb Upconversion in a Hetero-Trimetallic Molecular Lanthanide Complex. [PDF]
Angew Chem Int Ed EnglKofod N +8 more
europepmc +1 more source
Angewandte Chemie - International Edition, 2019 AbstractThe many applications of photon upconversion—conversion of low‐energy photons into high‐energy photons—raises the question of the possibility of “electron upconversion”. In this Review, we illustrate how the reduction potential can be increased by using the free energy of exergonic chemical reactions.
Mikhail A Syroeshkin +2 more
exaly +5 more sources
Some of the next articles are maybe not open access.
Related searches:
Related searches:
Upconversion-powered photoelectrochemistry
Chem. Commun., 2012Upconversion photochemistry occurring between palladium(II) octaethylporphyrin (PdOEP, 1) and 9,10-diphenylanthracene (DPA, 2) in toluene successfully sensitizes nanostructured WO(3) photoanodes (E(g) = 2.7 eV) to sub-bandgap non-coherent green photons at low power density.
Khnayzer, Rony S. +5 more
openaire +3 more sources
Photon upconversion nanomaterials
Chemical Society Reviews, 2015Guest editors Xiaogang Liu, Chun-Hua Yan and John A. Capobianco introduce the Photon Upconversion Nanomaterials issue of Chemical Society Reviews.
Xiaogang, Liu +2 more
openaire +2 more sources
SPIE Proceedings, 2006
This paper presents our research and development effort in realizing and perfecting photon upconversion devices for wavelengths from 1.5 μm region to 0.87 μm. The basic idea is to integrate a 1.5-μm detector with a 0.87-μm light emitting diode (LED), connected in series. The detected photocurrent drives the LED, thereby achieving the upconversion.
H.C. Liu +6 more
openaire +1 more source
This paper presents our research and development effort in realizing and perfecting photon upconversion devices for wavelengths from 1.5 μm region to 0.87 μm. The basic idea is to integrate a 1.5-μm detector with a 0.87-μm light emitting diode (LED), connected in series. The detected photocurrent drives the LED, thereby achieving the upconversion.
H.C. Liu +6 more
openaire +1 more source
The Journal of Physical Chemistry Letters, 2014
Upconversion, the conversion of photons from lower to higher energies, is a process that promises applications ranging from high-efficiency photovoltaic and photocatalytic cells to background-free bioimaging and therapeutic probes. Existing upconverting materials, however, remain too inefficient for viable implementation.
Di M, Wu +3 more
openaire +2 more sources
Upconversion, the conversion of photons from lower to higher energies, is a process that promises applications ranging from high-efficiency photovoltaic and photocatalytic cells to background-free bioimaging and therapeutic probes. Existing upconverting materials, however, remain too inefficient for viable implementation.
Di M, Wu +3 more
openaire +2 more sources
Upconversion in laser materials and the upconversion laser
Optical Society of America Annual Meeting, 1990Upconversion, a process in which two low-energy excitations combine to yield one excitation at the sum energy, occurs in most solid-state laser materials. The effect is particularly strong when the doping concentrations are high and when the excited-state level populations are high.
openaire +1 more source
FRET with Upconversion Nanoparticles
Accounts of Chemical ResearchConspectusUpconversion nanoparticles (UCNPs) have become one of the most frequently used nanomaterials for optical biosensing and imaging. UCNPs unique properties include high photostability, low toxicity, large anti-Stokes shifts, and negligible sample background fluorescence under near-infrared (NIR) excitation.
Eduard Madirov, Niko Hildebrandt
openaire +2 more sources
Applied Optics, 1972
A review is given of the properties of birefringently phase-matched parametric upconversion using proustite as the nonlinear material. Photon conversion efficiency, field-of-view limitations, spectral acceptance bandwidths, and resolution are discussed in terms of the upconversion of radiation from the 10-mu region to wavelengths shorter than 1 mu. The
openaire +2 more sources
A review is given of the properties of birefringently phase-matched parametric upconversion using proustite as the nonlinear material. Photon conversion efficiency, field-of-view limitations, spectral acceptance bandwidths, and resolution are discussed in terms of the upconversion of radiation from the 10-mu region to wavelengths shorter than 1 mu. The
openaire +2 more sources
Optical Society of America Annual Meeting, 1990
The results of experiments with intracavity sum-frequency generation in a synchronously pumped Styryl-9 dye laser will be presented. An average power of 5 mW at 460 nm is generated by intracavity sum-frequency mixing of the 810 nm dye laser pulses and injected 1.06 μm pulses from a continuous wave mode-locked Nd:YAG laser.
Xin Miao Zhao, Dan McGraw
openaire +1 more source
The results of experiments with intracavity sum-frequency generation in a synchronously pumped Styryl-9 dye laser will be presented. An average power of 5 mW at 460 nm is generated by intracavity sum-frequency mixing of the 810 nm dye laser pulses and injected 1.06 μm pulses from a continuous wave mode-locked Nd:YAG laser.
Xin Miao Zhao, Dan McGraw
openaire +1 more source