Multiphoton Absorption Order of CsPbBr3 As Determined by Wavelength-Dependent Nonlinear Optical Spectroscopy

CsPbBr3 is a direct-gap semiconductor where optical absorption takes place across the fundamental bandgap, but this all-inorganic halide perovskite typically exhibits above-bandgap emission when excited over an energy level, lying above the conduction-band minimum. We probe this bandgap anomaly usin...

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Veröffentlicht in:	The journal of physical chemistry letters 2017-10, Vol.8 (19), p.4912-4917
Hauptverfasser:	Saouma, Felix O, Stoumpos, Constantinos C, Kanatzidis, Mercouri G, Kim, Yong Soo, Jang, Joon I
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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