quantum yield sentence in Hindi
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- Although this method provides narrow size distributions and good crystallinity, the quantum yields are ~ 5 15 %.
- Charge carrier trapping on QDs increases the probability of non-radiative recombination, which reduces the fluorescence quantum yield.
- Alkylamines have been incorporated into the TOP / TOPO synthetic method to increase the quantum yields to ~ 50 %.
- This is the case when measuring the quantum yield or when finding the wavelength with the highest emission intensity for instance.
- Since silicon is an indirect band gap semiconductor, the quantum yield of radiative recombination in this material is very low.
- The quantum yield for an ideal system undergoing photocatalytic events is measured as the number of events occurring per photon absorbed.
- The maximum fluorescence quantum yield is 1.0 ( 100 % ); each photon absorbed results in a photon emitted.
- Platinum and palladium derivatives have been synthesised with singlet oxygen quantum yields of 0.59 and 0.54, respectively.
- 2010-AIST reports a quantum yield of 19 % in photocatalytic water splitting with a caesium-enhanced tungsten oxide photocatalyst.
- To improve fluorescence quantum yield, quantum dots can be made with " shells " of a larger bandgap semiconductor material around them.
- The heavy atom effect also held for the Y-Tex, In-Tex and Lu-Tex triplet quantum yields and lifetimes.
- These solar cells are only activated in the UV region and result in a relatively high quantum yield of 16 % electron / photon.
- In contrast, the paramagnetic metallo-texaphyrins, Mn-Tex, Sm-Tex and Eu-Tex, have undetectable triplet quantum yields.
- Foscan has a singlet oxygen quantum yield comparable to other chlorin photosensitisers but lower drug and light doses ( approximately 100 times more photoactive than Photofrin ).
- In optical spectroscopy, the quantum yield is the probability that a given quantum state is formed from the system initially prepared in some other quantum state.
- A corollary of Kasha's rule is the Vavilov rule, which states that the quantum yield of luminescence is generally independent of the excitation wavelength.
- Photosensitiser ZnPcS 4 has a singlet oxygen quantum yield of 0.70; nearly twice that of most other mPCs ( ?? at least 0.40 ).
- For example, a triplet transition quantum yield is the fraction of molecules that, after being photoexcited into a singlet state, cross over to the triplet state.
- It has been found, however, that the chemiluminescence intensity corrected for quantum yield decreases as the singlet excitation energy of the fluorescent molecule increases [ 6 ].
- Quantum yields greater than 1 are possible for photo-induced or radiation-induced chain reactions, in which a single photon may trigger a long chain of transformations.
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