Item request has been placed! ×
Item request cannot be made. ×
loading  Processing Request

Layered Perovskites BaM 2 In 2 O 7 (M = La, Nd): From the Structure to the Ionic (O 2- , H + ) Conductivity.

Item request has been placed! ×
Item request cannot be made. ×
loading   Processing Request
اقرأ على الانترنت اقرأ أكثر حفظ في قائمتي
  • معلومة اضافية
    • المصدر:
      Publisher: MDPI Country of Publication: Switzerland NLM ID: 101555929 Publication Model: Electronic Cited Medium: Print ISSN: 1996-1944 (Print) Linking ISSN: 19961944 NLM ISO Abbreviation: Materials (Basel) Subsets: PubMed not MEDLINE
    • بيانات النشر:
      Publication: May 2010- : Basel, Switzerland : MDPI
      Original Publication: Basel, Switzerland : Molecular Diversity Preservation International, 2008-2010.
    • نبذة مختصرة :
      The design of new oxide compounds that can be used as oxygen- or proton-conducting electrolytes for solid oxide fuel cells is actively in progress. Despite the intensive research activities regarding electrolytes with perovskite/fluorite structures, the search for other structural alternatives is of paramount importance. In this study we focus on a novel material with significantly improved properties for the electrochemical purposes. The two-layered BaNd 2 In 2 O 7 perovskite with a Ruddlesden-Popper structure was investigated as a protonic conductor for the first time. In detail, its local structure, water uptake, and the ionic (O 2- , H + ) conductivity were comprehensively studied. The nature of rare-earth elements (M = La, Nd) in the structure of BaM 2 In 2 O 7 on the structural and transport properties was revealed. The presented analysis showed that the composition of BaNd 2 In 2 O 7 is nearly pure proton conductor below 350 °C. This work opens up a new way in the design of protonic conductors with double-layered perovskite structure.
    • References:
      Chem Mater. 2021 Mar 23;33(6):2139-2146. (PMID: 33867664)
      Inorg Chem. 2021 Mar 1;60(5):3094-3105. (PMID: 33586955)
      Materials (Basel). 2021 Dec 25;15(1):. (PMID: 35009288)
      Materials (Basel). 2021 Dec 24;15(1):. (PMID: 35009259)
      Dalton Trans. 2021 Oct 19;50(40):14196-14206. (PMID: 34549745)
    • Contributed Indexing:
      Keywords: BaLa2In2O7; BaNd2In2O7; Ruddlesden–Popper structure; layered perovskite; oxygen-ion conductivity; protonic conductivity; water uptake
    • الموضوع:
      Date Created: 20220528 Latest Revision: 20220716
    • الموضوع:
      20240628
    • الرقم المعرف:
      PMC9147903
    • الرقم المعرف:
      10.3390/ma15103488
    • الرقم المعرف:
      35629516