ACS Publications. Most Trusted. Most Cited. Most Read
My Activity

Figure 1Loading Img

High Conductivity in Hydrothermally Grown AgCuO2 Single Crystals Verified Using Focused-Ion-Beam-Deposited Nanocontacts

View Author Information
Instituto de Ciencia de Materiales de Barcelona, ICMAB-CSIC, Campus de la UAB, Bellaterra 08193, Spain
Instituto de Nanociencia de Aragón
§ Departamento de Física de la Materia Condensada, Facultad de Ciencias
Instituto de Ciencia de Materiales de Aragón, CSIC, Facultad de Ciencias
Universidad de Zaragoza, Zaragoza 50009, Spain
Centro de Investigación en Nanociencia y Nanotecnología, CIN2 (CSIC-ICN), Campus de la UAB, Bellaterra 08193, Spain
# Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
*To whom correspondence should be addressed. Present address: Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, Cambridge CB2 3QZ, U.K. Phone: +441233334374. Fax: +441223334375. E-mail: [email protected]
Cite this: Inorg. Chem. 2010, 49, 23, 10977–10983
Publication Date (Web):November 4, 2010
Copyright © 2010 American Chemical Society

    Article Views





    Other access options


    Abstract Image

    The silver−copper mixed oxide AgCuO2 (also formulated as Ag2Cu2O4) possesses a peculiar electronic structure in which both Ag and Cu are partially oxidized, with the charge being delocalized among the three elements in the oxide. Accordingly, a quasi-metallic behavior should be expected for this oxide, and indeed bulk transport measurements show conductivity values that are orders of magnitude higher than for other members of this novel oxide family. The presence of silver makes thermal sintering an inadequate method to evaluate true conductivity, and thus such measurements were performed on low density pellets, giving an underestimated value for the conductivity. In the present work we present a new synthetic route for AgCuO2 based on mild hydrothermal reactions that has yielded unprecedented large AgCuO2 single-crystals well over 1 μm in size using temperatures as low as 88 °C. We have used a dual beam instrument to apply nanocontacts to those crystals, allowing the in situ measurement of transport properties of AgCuO2 single crystals. The results show a linear relationship between applied current and measured voltage. The conductivity values obtained are 50 to 300 times higher than those obtained for bulk low density AgCuO2 pellets, thus confirming the high conductivity of this oxide and therefore supporting the delocalized charge observed by spectroscopic techniques.

    Read this article

    To access this article, please review the available access options below.

    Get instant access

    Purchase Access

    Read this article for 48 hours. Check out below using your ACS ID or as a guest.


    Access through Your Institution

    You may have access to this article through your institution.

    Your institution does not have access to this content. You can change your affiliated institution below.

    Cited By

    This article is cited by 21 publications.

    1. Hongjun Liu, Ola G. Grendal, Susanne Linn Skjærvø, Antoine R. M. Dalod, Wouter van Beek, Abderrahime Sekkat, Mari-Ann Einarsrud, David Muñoz-Rojas. Reaction Pathway of the Hydrothermal Synthesis of AgCuO2 from In Situ Time-Resolved X-ray Diffraction. Crystal Growth & Design 2020, 20 (7) , 4264-4272.
    2. Abel Carreras, Sergio Conejeros, Agustín Camón, Alberto García, Nieves Casañ-Pastor, Pere Alemany, Enric Canadell. Charge Delocalization, Oxidation States, and Silver Mobility in the Mixed Silver–Copper Oxide AgCuO2. Inorganic Chemistry 2019, 58 (10) , 7026-7035.
    3. Yasuhide Akizuki, Ikuya Yamada, Koji Fujita, Hirofumi Akamatsu, Tetsuo Irifune, and Katsuhisa Tanaka . AgCu3V4O12: a Novel Perovskite Containing Mixed-Valence Silver ions. Inorganic Chemistry 2013, 52 (24) , 13824-13826.
    4. Jianfei Xie, Ziyu Wan, Xing Zhou, Hongmei Li, Yu Chen, Yinglong Duan, Min Liu. Visible-light‑sensitive AgCu nanocomposites for sustainable inactivation of virus. Journal of Materials Science & Technology 2024, 382
    5. Ebtesam E. Ateia, M. M. Arman, Amira T. Mohamed. A facile novel synthesis of AgCuO2 delafossite nanoparticles and evaluation of their antimicrobial activity. Scientific Reports 2023, 13 (1)
    6. Richard I. Walton. Solvothermal and hydrothermal methods for preparative solid-state chemistry. 2023, 40-110.
    7. Jiangshan Shi, Bin Li, Qinghong Zhang, Yichuan Rui. Electrodeposited ternary AgCuO2 nanocrystalline films as hole transport layers for inverted perovskite solar cells. Journal of Alloys and Compounds 2022, 890 , 161879.
    8. Dmitry A. Svintsitskiy, Tatyana Yu. Kardash, Elizaveta A. Fedorova, Elena M. Slavinskaya, Andrei I. Boronin. Room temperature CO oxidation over AgCuO2. Applied Surface Science 2020, 525 , 146523.
    9. Zhishan Zhuang, Linlin Qiu, Lika Dong, Yue Chen, Zhudan Chu, Xiangyu Ma, Pingfan Du, Jie Xiong. Preparation of high‐efficiency perovskite solar cells via doping Ag into CuO nanofibers as hole buffer layer. Polymer Composites 2020, 41 (6) , 2145-2153.
    10. S.K. Srivastava, P. Magudapathy, P. Gangopadhyay, S. Amirthapandian, Santanu Bera, A. Das. Ag nanoparticles in compound metal oxide semiconductors: Syntheses and characterizations. Thin Solid Films 2019, 681 , 86-92.
    11. Dmitry A. Svintsitskiy, Tatyana Yu. Kardash, Andrei I. Boronin. Surface dynamics of mixed silver-copper oxide AgCuO2 during X-ray photoelectron spectroscopy study. Applied Surface Science 2019, 463 , 300-309.
    12. Maxim Tchaplyguine, Chaofan Zhang, Tomas Andersson, Olle Björneholm. Ag–Cu oxide nanoparticles with high oxidation states: towards new high T c materials. Dalton Transactions 2018, 47 (46) , 16660-16667.
    13. Nieves Casañ-Pastor, Jordi Rius, Oriol Vallcorba, Inma Peral, Judith Oró-Solé, Daniel S. Cook, Richard I. Walton, Alberto García, David Muñoz-Rojas. Ag 2 Cu 3 Cr 2 O 8 (OH) 4 : a new bidimensional silver–copper mixed-oxyhydroxide with in-plane ferromagnetic coupling. Dalton Transactions 2017, 46 (4) , 1093-1104.
    14. Qinyan Lu, Kedan Lu, Lijie Zhang, Jianying Gong, Run Liu. Electrodeposition of AgCuO 2 Nanoplates. Journal of The Electrochemical Society 2017, 164 (4) , D130-D134.
    15. D.A. Svintsitskiy, E.M. Slavinskaya, T. Yu. Kardash, V.I. Avdeev, B.V. Senkovskiy, S.V. Koscheev, A.I. Boronin. Low-temperature catalytic CO oxidation over mixed silver–copper oxide Ag2Cu2O3. Applied Catalysis A: General 2016, 510 , 64-73.
    16. Anna M. Fyhn, Xiaodong Yang, Mohammadreza Nematollahi, John C. Walmsley, Ursula J. Gibson. Anodic electrodeposition of Ag1− x Cu x O microcrystals. Journal of Solid State Electrochemistry 2014, 18 (1) , 13-18.
    17. Nagarajan Padmavathy, Rajagopalan Vijayaraghavan, Giridhar U. Kulkarni. Solution based rapid synthesis of AgCuO 2 at room temperature. RSC Adv. 2014, 4 (107) , 62746-62750.
    18. Rosa Córdoba Castillo. Introduction. 2014, 1-30.
    19. J. M. De Teresa, R. Córdoba, A. Fernández-Pacheco, S. Sangiao, M. R. Ibarra. Nanoscale Electrical Contacts Grown by Focused Ion Beam (FIB)-Induced Deposition. 2013, 95-122.
    20. David Muñoz-Rojas. Silver-copper mixed oxides. Materials Today 2011, 14 (3) , 119.
    21. David Munoz‐Rojas, Rosa Cordoba, Amalio Fernandez‐Pacheco, Jose Maria De Teresa, Guillaume Sauthier, Jordi Fraxedas, Richard I. Walton, Nieves Casan‐Pastor. ChemInform Abstract: High Conductivity in Hydrothermally Grown AgCuO 2 Single Crystals Verified Using Focused‐Ion‐Beam‐Deposited Nanocontacts.. ChemInform 2011, 42 (6)

    Pair your accounts.

    Export articles to Mendeley

    Get article recommendations from ACS based on references in your Mendeley library.

    Pair your accounts.

    Export articles to Mendeley

    Get article recommendations from ACS based on references in your Mendeley library.

    You’ve supercharged your research process with ACS and Mendeley!

    STEP 1:
    Click to create an ACS ID

    Please note: If you switch to a different device, you may be asked to login again with only your ACS ID.

    Please note: If you switch to a different device, you may be asked to login again with only your ACS ID.

    Please note: If you switch to a different device, you may be asked to login again with only your ACS ID.

    Your Mendeley pairing has expired. Please reconnect