Journal article

Spatially Resolved Photophysical Dynamics in Perovskite Microplates Fabricated Using an Antisolvent Treatment

Wei-Long Xu, Meng-Si Niu, Xiao-Yu Yang, Peng-Qing Bi, Kang-Ning Zhang, Chao Xiong, Hong-Chun Yuan, Trevor A Smith, Kenneth P Ghiggino, Xiao-Tao Hao

The Journal of Physical Chemistry C | American Chemical Society | Published : 2017

Abstract

Perovskite microplates have important implications in the fields of functional electronics and optoelectronics. We report a facile strategy, antisolvent treatment for the growth of perovskite microplates. The morphology and crystalline quality of the microplates could be controlled by the amount of the chlorobenzene antisolvent used. An appropriate amount of antisolvent facilitates the formation of high-quality perovskite microplates with no residual precursor remaining. Spatially and temporally resolved fluorescence measurements demonstrate the heterogeneity of defect-state density and recombination processes in various perovskite microplate regions. The body center shows higher defect stat..

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Grants

Awarded by Natural Science Foundation of Jiangsu Higher Education


Awarded by National Natural Science Foundation of China


Awarded by Research Project "333 high-level talents training project" in the Jiangsu Province of China


Awarded by Jiangsu Province Key R D projects


Awarded by ARC Centre of Excellence in Exciton Science


Funding Acknowledgements

This work was supported by the Natural Science Foundation of Jiangsu Higher Education (Grant No. 17KJB140001), the National Natural Science Foundation of China (Grant Nos. 11574181 and 61631166001), the Open Research Fund of the State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Research Project "333 high-level talents training project" in the Jiangsu Province of China (Grant No. BRA2016111), and the Jiangsu Province Key R & D projects (Grant No. BE2016200). We also acknowledge support by the International Research and Research Training Fund (IRRTF) from the University of Melbourne and the ARC Centre of Excellence in Exciton Science (Grant No. CE170100026).