Efficiency improvement of P3CT-Na based MAPbI3 solar cells with a simple wetting process

被引：6
作者：
Kassou, Said [1 ]
Wu, Jia-Ren [1 ]
Thakur, Diksha [1 ,2 ,3 ]
Chandel, Anjali [1 ,2 ,3 ]
Chiang, Shou-En [1 ]
Cheng, Kai-Jen [1 ,4 ]
Chen, Sheng-Hui [4 ]
Shen, Ji-Lin [1 ]
Chang, Sheng Hsiung [1 ,2 ,3 ]
机构：
[1] Chung Yuan Christian Univ, Dept Phys, Taoyuan 320314, Taiwan
[2] Chung Yuan Christian Univ, R&D Ctr Membrane Technol, Taoyuan 320314, Taiwan
[3] Chung Yuan Christian Univ, Ctr Nanotechnol, Taoyuan 320314, Taiwan
[4] Natl Cent Univ, Dept Opt & Photon, Taoyuan 320317, Taiwan
来源：
NANOTECHNOLOGY | 2021年 / 32卷 / 34期
关键词：
P3CT-Na thin film; wetting process; stable inverted-type MAPbI(3) solar cells; CH3NH3PBI3; THIN-FILMS; ABSORBER BASED PHOTOVOLTAICS; HIGH-PERFORMANCE; PEROVSKITE; PASSIVATION; INTERPLAY; GROWTH;
D O I：
10.1088/1361-6528/ac0380
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The averaged power conversion efficiency of polyelectrolytes (P3CT-Na) based MAPbI(3) solar cells can be increased from 14.94% to 17.46% with a wetting method before the spin-coating process of MAPbI(3) precursor solutions. The effects of the wetting process on the surface, structural, optical and excitonic properties of MAPbI(3) thin films are investigated by using the atomic-force microscopic images, x-ray diffraction patterns, transmittance spectra, photoluminescence spectra and Raman scattering spectra. The experimental results show that the wetting process of MAPbI(3) precursor solution on top of the P3CT-Na/ITO/glass substrate can be used to manipulate the molecular packing structure of the P3CT-Na thin film, which determines the formation of MAPbI(3) thin films.
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页数：8
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