peak quantum yield

USAGE SUMMARY

The phrase "peak quantum yield" is correct and usable in written English.
It can be used in scientific contexts, particularly in fields like chemistry or physics, to describe the maximum efficiency of a process, such as a photochemical reaction. Example: "The researchers measured the peak quantum yield of the new photosensitizer under various light conditions."

✓ Grammatically correct

Science

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

The cheap and stable urea-derived g-C3N4 in this study has a peak internal quantum yield of 28.4 % at 365 nm.

Angewandte Chemie - International Edition

*Contained 35% propylene glycol, 35% polyethylene glycol-300, 18% 2-hydroxypropyl-β-cyclodextrin, 11.5% distilled water, and 0.5% DMSO; ε = molar extinction coefficient; Exc = excitation maximum wavelength; Em = emission peak wavelength; QY = quantum yield.

Biomedical Optics Express

Table 2 also displays the calculated spectral overlap integral J and the Förster distance for a 50% energy transfer (R0) of the BRET chimeras, together with the literature values for peak absorbance, emission, extinction coefficient and quantum yield of the FPs.

Plosone

From the results, the photophysical parameters of perylene excimer such as the formation rate constant, the peak position and the lifetime and the quantum yield of fluorescence can be obtained.

Journal of Photochemistry and Photobiology A: Chemistry

The InP/ZnS core/shell QDs with maximum fluorescence peak at ~ 530 nm, superior fluorescence quantum yield of 60.1%, and full width at half maximum of 55 nm were applied as an emission layer to fabricate multilayered QD-LEDs.

Nanoscale Research Letters

Luminescence quantum yield of λ2 emission peak go on increasing with the increase of 'x' in Zn1-x Mn x S nanocrystals, whereas λ1 emission intensity go on decreasing with increasing concentration of Mn2+ ions.

Nanoscale Research Letters

Affirmative answers to these questions could imply that such NPs could act as local voltage sensors on the nanoscale (displaying changes in fluorescence quantum yield, fluorescence lifetime, and/or peak emission wavelength in response to the local electric field).

ACS Nano

The presence of a macromolecule in solutions under investigation favors the emission peak at 634 nm which presents a higher quantum yield [ 9].

Biomedical Optics Express

The optimal ratio of 0.54 (weight ratio between PF5BODIPY565-4NH2 and PF46BT-4NH2) was determined for the blended Pdots, which exhibited an efficient yellow emission peak at 564 nm and a high fluorescence quantum yield of 0.32.

ACS Macro Letters

It was found that as the pendant alkyl length increased from the H to the hexyl, the electronic spectra of these oligomers were blue-shifted while the fluorescence quantum yield reduced and the oxidation peaks were positively shifted.

Synthetic Metals

In chloroform, the emission peak appeared at about 420 nm with a high quantum yield of about 70%.

Polymer

Expert writing Tips

Best practice

When discussing the efficiency of light-emitting materials or photochemical processes, clearly define the conditions under which the "peak quantum yield" is achieved, such as specific wavelengths or environmental factors.

Common error

Avoid using "peak quantum yield" without specifying whether you are referring to internal or external quantum yield. Internal quantum yield considers only the photons absorbed by the material, while external quantum yield considers all incident photons. Ensure clarity to prevent misinterpretation of the material's efficiency.

Linguistic Context

The phrase "peak quantum yield" functions as a noun phrase that identifies the highest efficiency of a quantum process, such as light emission or energy transfer. Ludwig AI confirms its scientific usability. The phrase is typically used to describe the performance characteristics of materials or systems.

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Ludwig's WRAP-UP

The phrase "peak quantum yield" refers to the maximum efficiency of a quantum process, typically used in scientific and technical contexts to quantify the performance of materials and systems. While no direct examples were found, Ludwig AI indicates that the phrase is correct and usable in scientific writing. Alternative phrases include "maximum quantum efficiency", "highest quantum yield", and "optimal quantum yield". It's crucial to specify the conditions under which the peak quantum yield is achieved and to distinguish between internal and external quantum yield for clarity. The phrase is typically found in formal and scientific registers.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

maximum quantum efficiency

Replaces "yield" with "efficiency", emphasizing the effectiveness of the quantum process.

highest quantum yield

Uses "highest" instead of "peak" to indicate the maximum quantum yield.

optimal quantum yield

Substitutes "peak" with "optimal", suggesting the most favorable quantum yield under specific conditions.

quantum yield at its maximum

Rephrases the original term to focus on the state of the quantum yield.

maximum fluorescence quantum yield

Specifies that it refers to fluorescence, clarifying the context of the quantum yield.

peak luminescence quantum yield

Replaces "quantum" with "luminescence", emphasizing the light emission aspect.

maximum photon conversion efficiency

Focuses on photon conversion, changing the structure and vocabulary while maintaining the core concept.

highest energy transfer efficiency

Highlights energy transfer, altering the focus but keeping the efficiency concept.

maximum light emission efficiency

Emphasizes light emission, providing a broader perspective on efficiency.

best quantum performance

Generalizes the idea to overall performance, moving away from specific yield.

FAQs

How is "peak quantum yield" measured?

The "peak quantum yield" is typically measured using specialized equipment such as an integrating sphere coupled with a spectrophotometer. This setup allows for the accurate measurement of emitted photons relative to absorbed photons. Comparative methods using reference materials with known quantum yields are also common.

What factors influence the "peak quantum yield" of a material?

Several factors can affect the "peak quantum yield", including temperature, excitation wavelength, material purity, and the presence of defects. Optimizing these conditions is crucial for achieving the highest possible quantum yield.

Is there a difference between "peak quantum yield" and average quantum yield?

Yes, the "peak quantum yield" refers to the maximum efficiency achieved under specific conditions, while the average quantum yield represents the overall efficiency across a range of conditions. The peak value is often used to highlight the best-case performance of a material.

What are some alternatives to saying "peak quantum yield"?

You can use alternatives like "maximum quantum efficiency", "highest quantum yield", or "optimal quantum yield" depending on the specific context.