Microwave synthesis and high-mobility charge transport of carbon-nanotube-in-perovskite single crystals

Chun-Ho Lin, Zhensheng Lyu, Yuting Zhuo, Chen Zhao, Jialin Yang, Changxu Liu, Jiyun Kim, Tengyue He, Long Hu, Feng Li, Yansong Shen*, Kewei Liu*, Weili Yu*, Tom Wu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

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.

Original languageEnglish
Article number2001740
Pages (from-to)1-10
Number of pages10
JournalAdvanced Optical Materials
Volume8
Issue number24
DOIs
Publication statusPublished - 17 Dec 2020
Externally publishedYes

Bibliographical note

Funding Information:
C.‐H.L. and Z.L. contributed equally to this work. This work was supported by the Australian Research Council (DP190103316) and UNSW SHARP Project (RG163043).

Publisher Copyright:
© 2020 Wiley-VCH GmbH

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

  • carbon nanotubes
  • carrier mobility
  • hybrid perovskites
  • microwaves
  • single crystals

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