journal article·2018-09-24

Naphthalene Diimide Ammonium Directed Single-Crystalline Perovskites with “Atypical” Ambipolar Charge Transport Signatures in Two-Dimensional Limit

Xiaomin Li, Jin Yang, Ziyi Song, Ruiping Chen, Lulu Ma, Haining Li, Jiong Jia, Jiao Meng, Xuan Li, Mingdong Yi, Xuan Sun

ACS Applied Energy Materials· Volume 1· Issue 9
Publisher page

Abstract

A single crystal of a lead–iodine-based 2D perovskite having naphthalene diimide ammonium (NDIA) molecules as organic layers was developed, and the charge transport property was studied using field-effect transistors (FETs) measurements. Structure determination reveals the layered alternative stacking of lead iodide sheets and NDIA bilayers. The presence of NDIA promoted the lead iodide octahedron to form the unique three-point co-planar [Pb3I10]4– unit, which then connected into the 2D network in a corner-sharing manner. The NDIA cations closely stacked into 1D chains within the bilayers that were being sandwiched between the inorganic layers. FET characteristics of the single crystal obtained at room temperature demonstrate VDS-dependent electron and hole transport behavior with mobilities reaching up to more than 5 × 10–3 cm2 V–1 s–1. The 1D stack of NDIAs contributes greatly to the performance improvement for both the charge transport and the stability.
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Research context

OpenAlex topics: Perovskite Materials and Applications · 2D Materials and Applications · Advanced Photocatalysis Techniques

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

Affiliations

Key Laboratory for Colloid & Interface Chemistry, Ministry of Education, Shandong University, Jinan 250100, People’s Republic of China

School of Microelectronics, Shandong University, Jinan 250100, People’s Republic of China

Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM), Nanjing University of Posts Telecommunications, Nanjing 210023, People’s Republic of China

State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China

School of Material Science and Engineering, Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, University of Jinan, Jinan 250022, People’s Republic of China

Funding

National Natural Science Foundation of China

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