journal article·2019-12-02Open access

Halide Perovskite High-k Field Effect Transistors with Dynamically Reconfigurable Ambipolarity

Noelia Devesa Canicoba, Nicolò Zagni, Fangze Liu, Gary McCuistian, Kasun Fernando, Hugo Bellezza, Boubacar Traoré, Regis Rogel, Hsinhan Tsai, Laurent Le Brizoual, Wanyi Nie, Jared J. Crochet, Sergei Tretiak, Claudine Katan, Jacky Even, Mercouri G. Kanatzidis, Bruce W. Alphenaar, Jean-Christophe Blancon, Muhammad Ashraf Alam, Aditya D. Mohite

ACS Materials Letters· Volume 1· Issue 6

Abstract

Despite the remarkable optoelectronic properties of halide perovskites, achieving reproducible field effect transistor (FET) action in polycrystalline films at room temperature has been challenging and represents a fundamental bottleneck for understanding electronic charge transport in these materials. In this work, we report halide perovskite-based FET operation at room temperature with negligible hysteresis. Extensive measurements and device modeling reveal that incorporating high-k dielectrics enables modulation of the channel conductance. Furthermore, continuous bias cycling or resting allows dynamical reconfiguration of the FETs between p-type behavior and ambipolar FET with balanced electron and hole transport and an ON/OFF ratio up to 104 and negligible degradation in transport characteristics over 100 cycles. Furthermore, these results elucidate the path for achieving gate modulation in perovskite thin films and provide a platform to understand the interplay between the perovskite structure and external stimuli such as photons, fields, and functional substrates, which will lead to novel and emergent properties.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Electronic and Structural Properties of Oxides · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States

Institute of Electronics and Telecommunications of Rennes (IETR), UMR CNRS 6164, University of Rennes 1, 35042 Rennes, France

School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States

Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Modena, 41125, Italy

Department of Chemical and Biomolecular Engineering and Department of Material Science and Nanoengineering, Rice University, Houston, Texas 77005, United States

Department of Electrical Engineering, University of Louisville, Louisville, Kentucky 40292, United States

Univ Rennes, INSA Rennes, CNRS, Institut FOTON - UMR 6082, F-35000 Rennes, France

Univ Rennes, ENSCR, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France

Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States

Funding

Office of Energy Efficiency and Renewable Energy · Laboratory Directed Research and Development · Office of Science · Division of Chemical, Bioengineering, Environmental, and Transport Systems · Institut Universitaire de France · Rice University

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