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Elusive Double Perovskite Iodides: Structural, Optical, and Magnetic Properties

Journal Article · · Angewandte Chemie (International Edition)
 [1];  [2];  [2];  [2];  [2];  [2];  [2];  [3];  [2];  [4]
  1. Univ. of California, Santa Barbara, CA (United States); OSTI
  2. Univ. of California, Santa Barbara, CA (United States)
  3. Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore (India)
  4. Univ. of California, Santa Barbara, CA (United States); University of Singapore (Singapore)

Halide double perovskites [A2MIMIIIX6] are an important class of materials that have garnered substantial interest as non-toxic alternatives to conventional lead iodide perovskites for optoelectronic applications. While numerous studies have examined chloride and bromide double perovskites, reports of iodide double perovskites are rare, and their definitive structural characterization has not been reported. Predictive models have aided us here in the synthesis and characterization of five iodide double perovskites of general formula Cs2NaLnI6 (Ln=Ce, Nd, Gd, Tb, Dy). Finally, the complete crystal structures, structural phase transitions, optical, photoluminescent, and magnetic properties of these compounds are reported.

Research Organization:
Univ. of California, Santa Barbara, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0012541
OSTI ID:
2420197
Alternate ID(s):
OSTI ID: 2521016
OSTI ID: 1987912
Journal Information:
Angewandte Chemie (International Edition), Journal Name: Angewandte Chemie (International Edition) Journal Issue: 32 Vol. 62; ISSN 1433-7851
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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