quantum yield
![Absorption and Quantum Yield of Single Conjugated Polymer Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) Molecules](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)
Absorption and Quantum Yield of Single Conjugated Polymer Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) Molecules
... results yield the number of monomers and the quantum yield of single MEH-PPV molecules and provide valuable information on the radiative and nonradiative decays of excitons in conjugated polymer ...
7
Co reductive fabrication of carbon nanodots with high quantum yield for bioimaging of bacteria
... Citric acid, citrate, urea or thiourea have been used in the past to obtain high-QY C-dots with different growth mechanisms pro- posed [18-20]. Qu et al. obtained graphene quantum dots with a quantum ...
10
Photosynthesis, Quantum Yield of Photosystem II and Membrane Leakage as Affected by High Temperatures in Cotton Genotypes
... the quantum yield of each cultivar with increasing temperature ...the quantum yield of PSII of these cultivars decreased linearly with increasing ...in quantum yield of PSII ...
10
Plasmon Enhanced Fluorescence (PEF) of High and Low Quantum Yield Molecules
... Plasmon enhanced fluorescence benefits from enhancements in absorption, increase in radiative decay rate, and enhanced emission by coupling to a scattering nanoparticle. In the set of experiments presented here for ...
123
Alternating layer addition approach to CdSe/CdS core/shell quantum dots with near-unity quantum yield and high on-time fractions
... photoluminescence quantum yield (QY) through electronic and chemical isolation of the core from surface-associated recombination centers; 11,13,15 and (2) increasing the excitation rate (absorption ...
18
The Investigation of Fluorescence Spectra and Fluorescence Quantum Yield of Enrofloxacin
... fluorescence quantum yield of ENR was measured using quinine sulfate as a reference ...fluorescence quantum yield of quinine sulfate at the excitation wavelength 313 nm was ...fluorescence ...
6
Effect of Irradiation Wavelength on Kinetics of Direct Photodegradation of Estrone
... Fig. 2 shows the comparison of E1 photodegradation at 254 nm and 350 nm. The concentration of E1 was decreased exponentially at 245 nm with 98.8 % of E1 degraded within 10 minutes. The degradation of E1 at 350 nm, ...
7
Nanotechnology and Neuroscience Convergence: A Novel Tool for Neurotransmitters Monitoring
... Observations corroborate similar findings in the literature that the CIS QDs had a lower quantum yield compared to those reported for cadmium-based QDs [19]. This is attributed to the suppression of surface ...
10
Amyloid Histology Stain for Rapid Bacterial Endospore Imaging
... emission quantum yield of ThT increases with the increase in the medium viscosity (72, 74, 81, 82, 88, ...emission quantum yield of ThT, as demonstrated by photophysical studies of this ...
10
Si Microwire Array Photoanodes for Artificial Photosynthetic Devices
... internal quantum yield, particularly at normal incidence. The quantum yield would therefore not only deviate from unity due to this electronically defective region, but would also vary as the ...
134
The Synthesis and Characterization of Core Shell Quantum Dots via Three Phase System
... The high surface defects of the nanocrystals may lead to the reduced luminescence efficiency and photochemical degradation. Bandgap engineering concepts borrowed from materials science and electronics have lead to the ...
8
The Photophysical Properties of Squaraine Derivatives and Their Impact upon Photovoltaic Efficiencies
... source. Quantum yields were measured using the Fluorometer and integration sphere as described in the accompanying JY-Horiba application note for the spectrofluorimeter; 31 absorbance of solutions used for ...
83
Concentration dependence of Forster resonant energy transfer between donor and acceptor nanocrystal quantum dot layers: Effect of donor donor interactions
... calculated with Eq. (2) from the spectral overlap of the donor and acceptor reference monolayers and taking into account an average donor ensemble quantum yield of 10%, as calculated from the integrated ...
10
Luminescent Semiconductor Quantum Dots (QDs) and Their Nanoassemblies as Bioprobes
... quantum yield as high as 37% compared to fluorescein. Without any size-selective precipitation process, the emission spectra of the QDs were very sharp with full width at half maximum (fwhm) less than 45nm. ...
117
Ponceau 2R Doped Poly (ST/MMA) as Fluorescent Solar Collectors and Evaluation Effect of Matrix on Their Field Performance
... Fluorescent measurements reveal that ponceau 2R has the highest fluorescence intensity and the highest fluorescence quantum yield in homo PMMA compared with the other matrixes.. Thus the[r] ...
13
Lasing and Transport Properties of Poly[(9,9 dioctyl 2,7 divinylenefluorenylene) alt co (2 methoxy 5 (2 ethylhexyloxy) 1,4 phenylene)] (POFP) for the Application of Diode Pumped Organic Solid Lasers
... photoluminescence quantum yield (PLQY), large stimulated emission cross sections, and a wide emission range across the visible spectrum [6], which have trig- gered new research toward the possibility of ...
7
Optimum quantum dot size for highly efficient fluorescence bioimaging
... Semiconductor quantum dots of few nanometers have demonstrated a great potential for ...fluorescence quantum yield of the highly thermal sensitive CdTe quantum dots has been systematically ...
8
A Yellow Polariton Condensate in a Dye Filled Microcavity
... The material investigated is a bromine-substituted boron-dipyrromethene (BODIPY-Br) that combines relatively high photoluminescence quantum yield, between 10% and 50% (dependent on sample preparation ...
17
Effects of variability in daily light integrals on the photophysiology of the corals Pachyseris speciosa and Acropora millepora
... light’ treatments that alternated between high and low conditions every 5 days. In the vari- able treatments, the shade-tolerant coral Pachyseris speciosa displayed cycles of rapid declines in maximum quantum ...
20
Heterologous synthesis of chlorophyll b in Nannochloropsis salina enhances growth and lipid production by increasing photosynthetic efficiency
... However, transformants showed moderate but significant improvements in quantum yield measured with higher light intensities, particularly in NsChlb 19, which expressed more CAO protei[r] ...
15