Facile and noninvasive passivation, doping and chemical tuning of macroscopic hybrid perovskite crystals

Halide vacancies and associated metallic lead (Pb°) observed at the surface and deep inside macroscopic organolead trihalide perovskite crystals is removed through a facile and noninvasive treatment. Indeed, Br2 vapor is shown to passivate Br-vacancies and associated Pb° in the bulk of macroscopic c...

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Veröffentlicht in:	PloS one 2020-03, Vol.15 (3), p.e0230540-e0230540
Hauptverfasser:	Kirmani, Ahmad R, Mansour, Ahmed E, Yang, Chen, Munir, Rahim, El-Zohry, Ahmed M, Mohammed, Omar F, Amassian, Aram
Format:	Artikel
Sprache:	eng
Schlagworte:	Bromine compounds Carrier mobility Chemical contaminants Colloiding Conductivity Crystal defects Crystal growth Crystals Defects Doping Electrical conductivity Electrical resistivity Engineering Exposure Gallium arsenide Hall effect Lattice vacancies Lead Mobility Nature Optoelectronics Passivity Perovskite Perovskites Physical Sciences Porosity Properties (attributes) Research and Analysis Methods Semiconductors Single crystals Sol-gel processes Solidification Stoichiometry Thin films Time Vacancies Vapors
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