1. To minimize the percentage of carriers that diffusion length of the electrons. 2. Dye-sensitized solar cell has a disadvantage of a short diffusion length . 3. Similarly, lasers that provide very rapid modulations could further reduce thermal diffusion lengths . 4. Recently, supermolecular or multifunctional sensitizers have been investigated so as to enhance carrier diffusion length . 5. The minority carrier diffusion length is critical in determining the performance of devices such as gain. 6. The short exciton diffusion lengths of most polymer systems tend to limit the efficiency of such devices. 7. Finally, this process raises the carrier diffusion length , resulting in the increase of carrier lifetime. 8. The diffusion length of excitons in organic electronic materials is typically on the order of 10 nm. 9. Eventually, the polymer domain size will be greater than the carrier diffusion length , which lowers performance. 10. It also means that during recombination, the diffusion length changed dramatically, as the ionisation fraction shifted.
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