Microwave Synthesis and High‐Mobility Charge Transport of Carbon‐Nanotube‐in‐Perovskite Single Crystals
Source abstract
Abstract
Abstract Organolead trihalide perovskites have emerged as a new class of competitive solution‐processed semiconductors due to their unique optoelectronic properties. However, poor ambient stability and charge transport are the Achilles’ heel of hybrid perovskites, thus limiting their applications. In this work, microwave‐assisted synthesis is applied for the first time to rapidly grow perovskite single crystals embedded with single‐wall carbon nanotubes. These nanotube‐in‐perovskite single crystals are endowed with a carrier mobility one order of magnitude higher than the pure counterpart and the related photodetectors show an ultrafast photo‐response speed (5 and 80 ns for rise and decay time, respectively). The fast and uniform heating of microwave irradiation facilitates the synthesis of ambient‐stable crystals with nanoscale additives, paving the way to creating a wide range of mixed‐dimensional perovskite‐based nanocomposites with optimal properties and device performance.
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Research context
OpenAlex topics: Perovskite Materials and Applications · Luminescence Properties of Advanced Materials · Microwave Dielectric Ceramics Synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials Science and Engineering University of New South Wales (UNSW) Sydney New South Wales 2052 Australia
School of Chemical Engineering University of New South Wales (UNSW) Sydney New South Wales 2052 Australia
The Photonics Laboratory Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) Chinese Academy of Science (CAS) Changchun City 130033 China
State Key Laboratory of Luminescence and Applications (SKLLA) Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) Chinese Academy of Science (CAS) Changchun City 130033 China
Faculty of Physics Ludwig Maximilians University of Munich (LMUM) Munich 80539 Germany
School of Physics Nano Institute and Australian Centre for Microscopy and Microanalysis The University of Sydney (USYD) Sydney New South Wales 2006 Australia
Funding
Australian Research Council · University of New South Wales
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