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Comment on "Copper-Substituted Lead Perovskite Materials Constructed with Different Halides for Working (CH3NH3)2CuX4-Based Perovskite Solar Cells from Experimental and Theoretical View"

Abstract: In recent years, two-dimensional perovskites have received considerable attention for their potential applications for optoelectronics. Contrary to previous publications, we demonstrate that (CH3NH3)2CuCl4 hybrid organic?inorganic layered perovskite does not show any room-temperature photoluminescence (PL) under UV excitation. This statement can be extended to other perovskites with general formula AMX3 or A2MX4, based on M: Cu2+ and X: Cl? or Br?. These materials, the object of increasing interest because of their efficient light absorption in a wide UV?vis?NIR range ideal for solar cells and optoelectronics, lack PL at room temperature, in contrast to recent findings reporting PL properties in this and other similar Cu2+-related materials.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: ACS Applied Materials and Interfaces, vol.12, iss.34 (2020), p.37807-37810

Editorial: American Chemical Society

 Año de publicación: 2020

Nº de páginas: 4

Tipo de publicación: Artículo de Revista

 DOI: 10.1021/acsami.0c11480

ISSN: 1944-8252,1944-8244

Proyecto español: PGC2018-101464-B-I00 ; RED2018-102612-T

Url de la publicación: https://doi.org/10.1021/acsami.0c11480