radiative recombination वाक्य
उदाहरण वाक्य
मोबाइल
- Auger recombination occurs orders of magnitude faster than the radiative recombination.
- Introducing an IB greatly increases non-radiative recombination mechanisms.
- The exact reverse of radiative recombination is light absorption.
- Non-radiative recombination occurs primarily at such sites.
- This process is called radiative recombination.
- The latter originate, e . g ., from the radiative recombination of excitons, quantum optical correlations.
- If the centre with the hole is a luminescence center ( radiative recombination centre ) emission of light will occur.
- Also, self-consistent computer simulations have shown that radiative recombination is focused where regions are rich of indium.
- Charge carrier trapping on QDs increases the probability of non-radiative recombination, which reduces the fluorescence quantum yield.
- Since silicon is an indirect band gap semiconductor, the quantum yield of radiative recombination in this material is very low.
- At some later time, the ejected charge returns to the nanocrystal ( restoring charge neutrality and therefore radiative recombination ).
- These electrons then undergo a process of radiative recombination, during which electrons and positively charged " holes " recombine in the base.
- It has been predicted theoretically that a'photonic'material environment can control the rate of radiative recombination of an embedded light source.
- The decay of excitons yields a single-exponential decay function since the probability of their radiative recombination does not depend on the carrier density.
- The colors are a result of the radiative recombination of electrons and ions and the relaxation of electrons in excited states back to lower energy states.
- In crystalline silicon, even if there are no crystalline defects, there is still Auger recombination, which occurs much more often than radiative recombination.
- Therefore, the Shockley-Queisser calculation takes radiative recombination into account; but it assumes ( optimistically ) that there is no other source of recombination.
- Light emission from InGaN layers grown on such GaN buffers used in blue and green LEDs is expected to be attenuated because of non-radiative recombination at such defects.
- However, if the excited electrons are prevented from reaching these recombination places, they have no choice but to eventually fall back into the valence band by radiative recombination.
- Generally the process is described by a " radiative recombination constant ", C _ r, which is about 10 " 12 cubic centimeters per second.
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