Enhancing Perovskite Fluorescence Emission by Gold Nanoparticles

Xiaoyan Wu; Ziyang Xiong; Lingyuan Wu; Yanglong Li; Bo Fu; Guodong Liu; Weiping Wang; Ping Chen

doi:10.3788/AOS201737.0924001

Acta Optica Sinica, Volume. 37, Issue 9, 0924001(2017)

Enhancing Perovskite Fluorescence Emission by Gold Nanoparticles

Xiaoyan Wu¹, Ziyang Xiong², Lingyuan Wu¹, Yanglong Li¹, Bo Fu¹, Guodong Liu¹, Weiping Wang¹, and Ping Chen^2、*

Author Affiliations

¹ Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang, Sichuan 621900, China

² Ministry of Education Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, School of Physical Science and Technology, Southwest University, Chongqing 400715, China

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Fig. 1. (a) XRD pattern and (b) SEM image of CH3NH3PbBr3 monocrystal film

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Fig. 2. (a) TEM image of Au NPs; (b) cross-section SEM image of quartz /PEDOT∶PSS (with Au NPs); (c) absorption spectra of Au NPs solution and CH3NH3PbBr3 film, and emission spectrum of CH3NH3PbBr3 film [inset of Fig. 2(c) is fluorescence emission photograph of CH3NH3PbBr3 film under ultraviolet lamp irradiation]

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Fig. 3. (a) PL spectra, (b) absorption spectra and (c) transient fluorescence spectra of quartz/PEDOT∶PSS/CH3NH3PbBr3 (with or without Au NPs)

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Fig. 4. Theoretical simulation results of (a) near-field and (b) far-field surface plasmons of Au NPs

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Table 1. Lifetime fitting parameters of quartz/PEDOT∶PSS/CH3NH3PbBr3 with or without Au NPs
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Table 1. Lifetime fitting parameters of quartz/PEDOT∶PSS/CH3NH3PbBr3 with or without Au NPs
Condition $\begin{matrix} {A_{1}}_{} \end{matrix}$ /% $\begin{matrix} {τ_{1}}_{} \end{matrix}$ /ns $\begin{matrix} {A_{2}}_{} \end{matrix}$ /% $\begin{matrix} {τ_{2}}_{} \end{matrix}$ /ns $\begin{matrix} {A_{3}}_{} \end{matrix}$ /% $\begin{matrix} {τ_{3}}_{} \end{matrix}$ /ns
Without Au NPs 19.87 3.81 15.61 33.50 64.52 0.31
With Au NPs 2.69 3.86 2.19 59.95 95.12 0.23

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Xiaoyan Wu, Ziyang Xiong, Lingyuan Wu, Yanglong Li, Bo Fu, Guodong Liu, Weiping Wang, Ping Chen. Enhancing Perovskite Fluorescence Emission by Gold Nanoparticles[J]. Acta Optica Sinica, 2017, 37(9): 0924001

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