نتایج جستجو برای: charge carrier

تعداد نتایج: 208985  

2014
Christian Wehrenfennig Giles E Eperon Michael B Johnston Henry J Snaith Laura M Herz

Organolead trihalide perovskites are shown to exhibit the best of both worlds: charge-carrier mobilities around 10 cm2 V−1 s−1 and low bi-molecular charge-recombination constants. The ratio of the two is found to defy the Langevin limit of kinetic charge capture by over four orders of magnitude. This mechanism causes long (micrometer) charge-pair diffusion lengths crucial for flat-heterojunctio...

Journal: :Journal of Physical Chemistry C 2022

Hydrogen bonds are noncovalent interactions able to improve the electronic properties of self-assembled semiconductors. Nevertheless, it is necessary control parameters influencing formation hydrogen achieve hierarchical structures with enhanced properties. In this work, we explore two hydrogen-bonded thiophene-capped diketopyrrolopyrrole (DPP) derivatives containing amides different topology (...

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