Results 21 to 30 of about 133,833 (295)

Highly stable organic photothermal agent based on near-infrared-II fluorophores for tumor treatment

open access: yesJournal of Nanobiotechnology, 2021
Background The aim to develop a highly stable near-infrared (NIR) photoinduced tumor therapy agent stems from its considerable potential for biological application. Due to its long wavelength, biological imaging exhibits a high signal-to-background ratio,
Yunjian Xu   +7 more
doaj   +1 more source

A new generation of dual-mode optical thermometry based on ZrO2:Eu3+ nanocrystals

open access: yesNanophotonics, 2019
For achieving well-performing optical thermometry, a new type of dual-mode optical thermometer is explored based on the valley-to-peak ratio (VPR) and fluorescence lifetime of Eu3+ emissions in the ZrO2:Eu3+ nanocrystals with sizes down to 10 nm.
Zhou Jun   +7 more
doaj   +1 more source

COMPUTER-GENERATED HOLOGRAM ETCHED IN GAAS FOR OPTICAL INTERCONNECTION OF VLSI CIRCUITS [PDF]

open access: yes, 1992
By integrating, on a wafer plane, GaAs semiconductor optoelectronic modulators and detectors with computer-generated holograms between then, the potential for in-plane interconnections is proposed.
CAREY, CD   +4 more
core   +1 more source

AlGaAs lasers with micro-cleaved mirrors suitable for monolithic integration [PDF]

open access: yes, 1982
A technique has been developed for cleaving the mirrors of AlGaAs lasers without cleaving the substrate. Micro-cleaving involves cleaving a suspended heterostructure cantilever by ultrasonic vibrations.
Bar-Chaim, N.   +4 more
core   +1 more source

New iridium complex as additive to the spiro-OMeTAD in perovskite solar cells with enhanced stability

open access: yesAPL Materials, 2014
A new iridium complex, IrCp*Cl(PyPyz)[TFSI], has been synthesized and used as additive for the hole transporter material, spiro-OMeTAD, in perovskite solar cells.
Laura Badia   +5 more
doaj   +1 more source

Highly confined low-loss plasmons in graphene-boron nitride heterostructures [PDF]

open access: yes, 2014
Graphene plasmons were predicted to possess ultra-strong field confinement and very low damping at the same time, enabling new classes of devices for deep subwavelength metamaterials, single-photon nonlinearities, extraordinarily strong light-matter ...
Alonso-González, Pablo   +12 more
core   +2 more sources

The effect of different industrialized building system (IBS) construction methods compared to the conventional method on occupational safety and health (OSH) industry risks in construction [PDF]

open access: yes, 2021
The construction industry is known for the hazardous physical working conditions and high risk of accidents because of the nature of the workplace activities. It is one of the most dangerous business sectors compared to the other industries. The accident
Mohd Amin, Mohamad Ariff
core  

A versatile scanning photocurrent mapping system to characterize optoelectronic devices based on 2D materials

open access: yes, 2017
The investigation of optoelectronic devices based on two-dimensional materials and their heterostructures is a very active area of investigation with both fundamental and applied aspects involved.
Castellanos-Gomez, Andres   +5 more
core   +1 more source

Implementation and application of FRET–FLIM technology [PDF]

open access: yesJournal of Innovative Optical Health Sciences, 2019
With the development of the new detection methods and the function of fluorescent molecule, researchers hope to further explore the internal mechanisms of organisms, monitor changes in the intracellular microenvironment, and dynamic processes of ...
Shiqi Wang   +6 more
doaj   +1 more source

Overview of metal contacts technology on semiconductor [PDF]

open access: yes, 2019
Over the past decades, researcher confronts new difficulties and breakthrough due to semiconductor innovation and these chances are evident in the endeavours that have been laid by semiconductor and optoelectronic devices.
Ali, Ahmad Hadi, Bhari, Bibi Zulaika
core   +1 more source

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