Temperature-dependent photoluminescence in hybrid iodine-based perovskites film

Beng Jiang; Si-Liang Chen; Xiao-Lei Cui; Zi-Ting Hu; Yue Li; Xiao-Zheng Zhang; Kang-Jing Wu; Wen-Zhen Wang; Zui-Min Jiang; Feng Hong; Zhong-Quan Ma; Lei Zhao; Fei Xu; Run Xu; Yi-Qiang Zhan

doi:10.7498/aps.68.20191238

Journals >Acta Physica Sinica >Volume 68 >Issue 24 >Page 246801-1 > Article

Acta Physica Sinica
Vol. 68, Issue 24, 246801-1 (2019)

Temperature-dependent photoluminescence in hybrid iodine-based perovskites film

Beng Jiang¹, Si-Liang Chen¹, Xiao-Lei Cui⁴, Zi-Ting Hu¹, Yue Li¹, Xiao-Zheng Zhang³, Kang-Jing Wu¹, Wen-Zhen Wang³, Zui-Min Jiang², Feng Hong¹, Zhong-Quan Ma¹, Lei Zhao¹, Fei Xu^1、2、*, Run Xu^3、*, and Yi-Qiang Zhan^4、*

Author Affiliations

¹SHU-SolarE R&D Laboratory, Shanghai Key Laboratory of High Temperature Superconductors, Department of Physics, Shanghai University, Shanghai 200444, China

²State Key Laboratory of Surface Physics and Department of Physics, Key Laboratory of Micro and Nano Photonic Structure (Ministry of Education), Fudan University, Shanghai 200433, China

³Department of Electronic Information Materials, Shanghai University, Shanghai 200444, China

⁴School of Information Science and Technology, Fudan University, Shanghai 200433, China

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DOI: 10.7498/aps.68.20191238 Cite this Article

Beng Jiang, Si-Liang Chen, Xiao-Lei Cui, Zi-Ting Hu, Yue Li, Xiao-Zheng Zhang, Kang-Jing Wu, Wen-Zhen Wang, Zui-Min Jiang, Feng Hong, Zhong-Quan Ma, Lei Zhao, Fei Xu, Run Xu, Yi-Qiang Zhan. Temperature-dependent photoluminescence in hybrid iodine-based perovskites film[J]. Acta Physica Sinica, 2019, 68(24): 246801-1 Copy Citation Text

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$(a) The XRD of hybrid anion mixed perovskite MAPb(BrxI1–x)3; (b) the diffraction intensity and plane distance obtained at different molar ratios of Br– in lattice plane of (110) and (220); (c) the XPS spectra of Pb and I element inperovskite film for different Br–ratios.(a) 阴离子混合型钙钛矿MAPb(BrxI1–x)3的XRD谱; (b) (110)和(220)衍射峰强和晶面间距d随Br–比例x的变化; (c) 不同Br–比例的钙钛矿薄膜中Pb和I元素XPS谱$

Fig. 1. (a) The XRD of hybrid anion mixed perovskite MAPb(Br_xI_1–_x)₃; (b) the diffraction intensity and plane distance obtained at different molar ratios of Br^– in lattice plane of (110) and (220); (c) the XPS spectra of Pb and I element inperovskite film for different Br^–ratios. (a) 阴离子混合型钙钛矿MAPb(Br_xI_1–_x)₃的XRD谱; (b) (110)和(220)衍射峰强和晶面间距d随Br^–比例x的变化; (c) 不同Br^–比例的钙钛矿薄膜中Pb和I元素XPS谱

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Hybrid anion mixed perovskite in room temperature: (a) Absorption coefficient change with incident photon energy; (b) the optical bandgap obtained by Tauc equation; (c) the change of Eg using Eq. (1) fitting.室温下的阴离子混合型钙钛矿(a)吸收系数与入射光子能量的关系; (b) Tauc方差分析光学带隙; (c) 由(1)式拟合带隙Eg的变化

Fig. 2. Hybrid anion mixed perovskite in room temperature: (a) Absorption coefficient change with incident photon energy; (b) the optical bandgap obtained by Tauc equation; (c) the change of E_g using Eq. (1) fitting. 室温下的阴离子混合型钙钛矿　(a)吸收系数与入射光子能量的关系; (b) Tauc方差分析光学带隙; (c) 由(1)式拟合带隙E_g的变化

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Fig. 3. Photoluminescence of hybrid anion mixed perovskite MAPb(Br_xI_1–_x)₃ at room temperature: (a) The photoluminescence spectra; (b) the change of peak position and intensity. 室温下阴离子混合型钙钛矿MAPb(Br_xI_1–_x)₃ PL图谱　(a)归一化PL谱; (b)峰位和峰强与Br比例x的关系

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Fig. 4. Temperature-dependent photoluminescence of hybrid anion mixed perovskites MAPb(Br_xI_1–_x)₃ in visible region: (a) The photoluminescence spectra; (b) the projection mapping of photoluminescence; (c) the excitonic binding energy extract by Arrhenius equation fitting; (d) the intensity, peak position and full width at half maximum of photoluminescence. 阴离子混合型钙钛矿MAPb(Br_xI_1–_x)₃可见波段变温PL谱　(a) PL谱; (b) PL投影图; (c)通过Arrhenius拟合提取激子结合能; (d) PL的强度、峰位和半高宽

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Fig. 5. Photoluminescence dependent-temperature of mix cation (Cs_0.05(FA_0.85MA_0.15)_0.95)Pb(Br_0.15I_0.85)₃ measured at temperature range from 10 K to 350 K: (a) The photoluminescence spectra; (b) the projection mapping of normalize photoluminescence; (c) the peak position and intensity evolution with temperature. 混合阳离子(Cs_0.05(FA_0.85MA_0.15)_0.95)Pb(Br_0.15I_0.85)₃ 薄膜　(a) PL谱; (b)归一化变温PL投影图; (c) 可见波段发光峰位和强度随温度的变化

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Pb/I原子比	样品化学式	XPS测得成分
26.42/73.58	$ MA{\rm{Pb}}{\left( {{{\rm{I}}_{0.9833}}{\rm{B}}{{\rm{r}}_{0.0167}}} \right)_3}$	$ MA{\rm{Pb}}{\left( {{{\rm{I}}_{0.97}}{\rm{B}}{{\rm{r}}_{0.03}}} \right)_3}$
26.84/73.16	$ MA{\rm{Pb}}{\left( {{{\rm{I}}_{0.9667}}{\rm{B}}{{\rm{r}}_{0.0333}}} \right)_3}$	$ MA{\rm{Pb}}{\left( {{{\rm{I}}_{0.9467}}{\rm{B}}{{\rm{r}}_{0.0533}}} \right)_3}$
27/73	$ MA{\rm{Pb}}{\left( {{{\rm{I}}_{0.9333}}{\rm{B}}{{\rm{r}}_{0.0667}}} \right)_3}$	$ MA{\rm{Pb}}{\left( {{{\rm{I}}_{0.9367}}{\rm{B}}{{\rm{r}}_{0.0633}}} \right)_3}$
27.55/72.45	$ MA{\rm{Pb}}{\left( {{{\rm{I}}_{0.9}}{\rm{B}}{{\rm{r}}_{0.1}}} \right)_3}$	$ MA{\rm{Pb}}{\left( {{{\rm{I}}_{0.9133}}{\rm{B}}{{\rm{r}}_{0.0667}}} \right)_3}$

Table 1.

Chemical formula of sample compare with XPS.

样品化学式与XPS结果对比

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