Influence of mixed organic cations on the nonlinear optical properties of lead tri-iodide perovskites

Xuanyu Zhang; Shuyu Xiao; Ruxue Li; Tingchao He; Guichuan Xing; Rui Chen

doi:10.1364/PRJ.398975

Journals >Photonics Research >Volume 8 >Issue 9 >Page A25 > Article

Photonics Research
Vol. 8, Issue 9, A25 (2020)

Influence of mixed organic cations on the nonlinear optical properties of lead tri-iodide perovskites

Xuanyu Zhang¹, Shuyu Xiao², Ruxue Li¹, Tingchao He^2、5、*, Guichuan Xing^3、6、*, and Rui Chen^{1、4、7、*}

Author Affiliations

¹Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China

²College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

³Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China

⁴Key Laboratory of Energy Conversion and Storage Technologies (Southern University of Science and Technology), Ministry of Education, Shenzhen 518055, China

⁵e-mail: tche@szu.edu.cn

⁶e-mail: gcxing@um.edu.mo

⁷e-mail: chenr@sustech.edu.cn

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DOI: 10.1364/PRJ.398975 Cite this Article Set citation alerts

Xuanyu Zhang, Shuyu Xiao, Ruxue Li, Tingchao He, Guichuan Xing, Rui Chen. Influence of mixed organic cations on the nonlinear optical properties of lead tri-iodide perovskites[J]. Photonics Research, 2020, 8(9): A25 Copy Citation Text

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(a) XRD patterns and (b) normalized ultraviolet–visible absorption spectra of organic–inorganic perovskite MA1−xFAxPbI3 (x=0, 0.2, 0.4, 0.6, and 0.8); inset is the SEM image of MA0.2FA0.8PbI3.

Fig. 1. (a) XRD patterns and (b) normalized ultraviolet–visible absorption spectra of organic–inorganic perovskite MA1−xFAxPbI3 (x=0, 0.2, 0.4, 0.6, and 0.8); inset is the SEM image of MA0.2FA0.8PbI3.

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(a) OA Z-scan results for MA1−xFAxPbI3 (x=0, 0.2, 0.4, 0.6, and 0.8) at 1.0 GW/cm2; (b) OA Z-scan results for MA0.2FA0.8PbI3 at I0=1.0 GW/cm2 (squares); 1.5 GW/cm2 (circles); and 3.0 GW/cm2 (diamonds).

Fig. 2. (a) OA Z-scan results for MA1−xFAxPbI3 (x=0, 0.2, 0.4, 0.6, and 0.8) at 1.0 GW/cm2; (b) OA Z-scan results for MA0.2FA0.8PbI3 at I0=1.0 GW/cm2 (squares); 1.5 GW/cm2 (circles); and 3.0 GW/cm2 (diamonds).

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Fig. 3. (a) fs-TA spectra of MA0.2FA0.8PbI3 at different probe-delayed times following the 1300 nm laser excitation with an energy density of 2.0 GW/cm2. (b) Kinetic profiles of 775 nm bleaching recovery. Inset is a schematic of proposed band structure of MA0.2FA0.8PbI3, showing the dual VBs that give rise to the photoinduced bleaching at 486 and 775 nm.

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Fig. 4. (a) Doping concentration x-dependent nonlinear absorption coefficient β and saturation intensity Isat for MA1−xFAxPbI3 (x=0, 0.2, 0.4, 0.6, and 0.8); (b) excitation-intensity-dependent normalized transmittance for MA1−xFAxPbI3 (x=0, 0.2, 0.4, 0.6, and 0.8).

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Fig. 5. (a), (b) Structure of MA (methylammonium) and FA (formamidinium) cations. Unit cell structure of (c) MAPbI3 and (d) FAPbI3. Iodine (purple) at cell corners, carbon (black), nitrogen (brown), and hydrogen (light green). NH–I hydrogen bonds are shown as blue lines.

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Material	Excitation Wavelength (nm)	$β$ (cm/MW)	$I_{sat} (GW / {cm}^{2})$	Ref.
${CsPbBr}_{3}$ (QDs)	800 (fs)	$- 1.71 \times 10^{- 3}$	–	[7]
${MAPbBr}_{3}$ (QDs)	800 (fs)	$4.18 \times 10^{- 3}$	–	[7]
${MAPbX}_{3}$	532 (ns)	0.5	800	[11]
${MAPbI}_{3}$	514 (fs)	18.5	–	[12]
${MAPbI}_{3}$	1028 (fs)	110	–
Au (NP array)	800 (fs)	0.588	210	[15]
Alkoxy phthalocyanines	800 (fs)	1.5	–	[16]
GaAs	1680 (fs)	$2.5 \times 10^{- 3}$	–	[26]
Pt (NPs)	532 (ns)	$3.2 \times 10^{- 2}$	$1.1 \times 10^{- 3}$	[27]
${CsPbBr}_{3}$ (NCs)	800 (fs)	$9.7 \times 10^{- 5}$	–	[28]
${MAPbI}_{3}$ (SC)	800 (fs)	$8.6 \times 10^{- 3}$	–	[29]
${MAPbI}_{3}$	1064 (fs)	−2.03	12.61	[30]
$C_{6} H_{5} {CH}_{2} {NH}_{3} {PbBr}_{3}$ (microdisks)	800 (fs)	$1.4 \times 10^{- 6}$	84.3	[31]
${FAPbBr}_{3}$ (NCs)	800 (fs)	$4.2 \times 10^{- 6}$	–	[32]
${MA}_{1 - x} {FA}_{x} {PbI}_{3}$	800 (fs)	18.7–13.2	125.8–157.1	This work