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Title: Electrochemical Lithium Doping Induced Property Changes In Halide Perovskite CsPbBr3 Crystal

Abstract

Electrochemical doping was used to dope lithium into perovskite CsPbBr3 crystal. Due to the doping, diamagnetic behavior was observed with a transition temperature (Tc) of 7.17 K. Burstein-Moss effect related photoluminescence (PL) blue-shift was observed as long as 15 nm. UV-vis-NIR spectra indicate that the absorption has been enhanced. As a result, the doped CsPbBr3 crystal generated 8 nA photocurrent, which is higher than the undoped CsPbBr3 crystal.

Authors:
 [1];  [1];  [2]; ORCiD logo [1]; ORCiD logo [3]; ORCiD logo [1]
  1. Argonne National Lab. (ANL), Lemont, IL (United States)
  2. Hainan Univ., Haikou (People's Republic of China); Jiangsu Univ. of Science and Technology, Jiangsu (People's Republic of China)
  3. Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1466317
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
ACS Energy Letters
Additional Journal Information:
Journal Volume: 3; Journal Issue: 1; Journal ID: ISSN 2380-8195
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Jiang, Qinglong, Zeng, Xiaoqiao, Wang, Ning, Xiao, Zhili, Guo, Zhanhu, and Lu, Jun. Electrochemical Lithium Doping Induced Property Changes In Halide Perovskite CsPbBr3 Crystal. United States: N. p., 2017. Web. doi:10.1021/acsenergylett.7b01230.
Jiang, Qinglong, Zeng, Xiaoqiao, Wang, Ning, Xiao, Zhili, Guo, Zhanhu, & Lu, Jun. Electrochemical Lithium Doping Induced Property Changes In Halide Perovskite CsPbBr3 Crystal. United States. doi:10.1021/acsenergylett.7b01230.
Jiang, Qinglong, Zeng, Xiaoqiao, Wang, Ning, Xiao, Zhili, Guo, Zhanhu, and Lu, Jun. Fri . "Electrochemical Lithium Doping Induced Property Changes In Halide Perovskite CsPbBr3 Crystal". United States. doi:10.1021/acsenergylett.7b01230. https://www.osti.gov/servlets/purl/1466317.
@article{osti_1466317,
title = {Electrochemical Lithium Doping Induced Property Changes In Halide Perovskite CsPbBr3 Crystal},
author = {Jiang, Qinglong and Zeng, Xiaoqiao and Wang, Ning and Xiao, Zhili and Guo, Zhanhu and Lu, Jun},
abstractNote = {Electrochemical doping was used to dope lithium into perovskite CsPbBr3 crystal. Due to the doping, diamagnetic behavior was observed with a transition temperature (Tc) of 7.17 K. Burstein-Moss effect related photoluminescence (PL) blue-shift was observed as long as 15 nm. UV-vis-NIR spectra indicate that the absorption has been enhanced. As a result, the doped CsPbBr3 crystal generated 8 nA photocurrent, which is higher than the undoped CsPbBr3 crystal.},
doi = {10.1021/acsenergylett.7b01230},
journal = {ACS Energy Letters},
number = 1,
volume = 3,
place = {United States},
year = {2017},
month = {12}
}

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Figures / Tables:

Figure 1. Figure 1.: Optical (a and d) images of undoped and lithium doped CsPbBr3 crystal. b and e: SEM images of the same single crystal before and after doping; c and f: zoomed in SEM images.

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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.