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New layered perovskite family built from [CeTa2O7] layers: coloring mechanism from unique multi-transitions

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Abstract

A Ce3+-based layered perovskite compound, Dion–Jacobson type RbCeTa2O7, has been discovered for the first time by introducing only a trivalent cerium ion to form [CeTa2O7] layers. The unique green color was experimentally and theoretically ascribed to two charge transfer transitions of ligand-to-metal O2p → Ce4f and metal-to-metal Ce4f → Ta5d.

Graphical abstract: New layered perovskite family built from [CeTa2O7]− layers: coloring mechanism from unique multi-transitions

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Article information


Submitted
15 May 2020
Accepted
18 Jun 2020
First published
18 Jun 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

New layered perovskite family built from [CeTa2O7] layers: coloring mechanism from unique multi-transitions

T. Hasegawa, A. Shigee, Y. Nishiwaki, M. Nagasako, A. T. Hanindriyo, K. Hongo, R. Maezono, T. Ueda and S. Yin, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC03466E

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