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journal article·2023-08-07

Investigation of Charge Transport Properties in a 2D Dion–Jacobson Halide Perovskite Based on Terphenyl Dications

Xuelong Liu, Narayanaswamy Kamatham, Zhangsheng Shi, Shidong Yu, Qing Ren, Kentaro Imaoka, Chin-Yiu Chan, Benoît Heinrich, Robin Troiville-Cazilhac, Lise-Marie Chamoreau, Lydia Sosa Vargas, David Kreher, Youichi Tsuchiya, Toshinori Matsushima, Xiankai Chen, Fabrice Mathevet, Chihaya Adachi

ACS Materials Letters· Volume 5· Issue 8
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Source abstract

Abstract

Type II heterostructures formed by organic semiconducting ligands and inorganic layers in two-dimensional ( 2D ) hybrid perovskites can offer separated charge transport channels for holes and electrons. In this work, we studied a new lead-based 2D Dion–Jacobson perovskite structure incorporating simple terphenyl diammonium salts as organic spacers. The investigations of the electronic and photophysical properties, combined with theoretical calculations, indicate that this 2D perovskite structure forms a type II heterostructure producing intercalated separate pathways for electrons and holes that can migrate within the inorganic and organic sublayers, respectively. The charge transport properties of this unusual type II 2D perovskite heterostructure have also been successfully investigated for the first time by the space charge limited current (SCLC) method, and maximum electron and hole mobilities based on single-crystal devices were evaluated to be 0.3 cm 2 V –1 s –1 and 7.0 × 10 –4 cm 2 V –1 s –1, respectively. This work gives valuable insights into the charge transport mechanisms of type II heterostructures and paves the way toward optoelectronic device applications for such Dion–Jacobson-type 2D perovskites.
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Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Advanced Photocatalysis Techniques

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

Affiliations

Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

Sorbonne Université, Institut Parisien de Chimie Moléculaire, CNRS UMR 8232, Chimie des Polymères, 4 place Jussieu, 75005, Paris, France

Department of Chemistry, SRM University─AP, Andhra Pradesh 522240, India

Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong 999077, China

Asian School of the Environment, Nanyang Technological University, 50 Nanyang Avenue, 639798 Singapore

Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR 999077, China

Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504, CNRS-Université de Strasbourg, 23 Rue du Loess, 67034 Strasbourg Cedex 2, France

Institut Lavoisier de Versailles, UMR 8180, Université de Versailles-Saint-Quentin-en-Yvelines, Université Paris-Saclay, 78035 Versailles cedex, France

International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

Funding

New Energy and Industrial Technology Development Organization · Ministry of Education, Culture, Sports, Science and Technology · Murata Science Foundation · Asahi Glass Foundation · Japan Society for the Promotion of Science · Centre National de la Recherche Scientifique · Iwatani Naoji Foundation · Iketani Science and Technology Foundation

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