Issue 70, 2016, Issue in Progress
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RSC Advances

An easy method to modify PEDOT:PSS/perovskite interfaces for solar cells with efficiency exceeding 15%†

S. Shahbazi,a   F. Tajabadi,*b   H.-S. Shiu,c   R. Sedighi,d   E. Jokar,c   S. Gholipour,e   N. Taghavinia,*de   S. Afshara  and  E. W.-G. Diauc  

* Corresponding authors

a Department of Chemistry, Iranian University of Science and Technology, Tehran 16846-13114, Iran
E-mail: sh_afshar@iust.ac.ir

b Department of Nanotechnology and Advanced Materials, Materials and Energy Research Center, Karaj 3177983634, Iran
E-mail: f.tajabadi@merc.ac.ir

c Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University, Hsinchu 30010, Taiwan
E-mail: diau@mail.nctu.edu.tw

d Faculty of Physics and Chemistry, Alzahra University, Tehran, Iran

e Institute for Nanoscience and Nanotechnology and Physics Department, Sharif University of Technology, Tehran 14588-89694, Iran
E-mail: taghavinia@sharif.edu

Abstract

Herein, we show that surface treatment of PEDOT:PSS films using propionic acid (PA) results in better device performance for the resulting CH3NH3PbI3 perovskite solar cells (PCE > 15%). N2 blow spreading of PA appears critical in enhanced performance. This weak acid treatment leads to no worse roughness, while providing larger perovskite grains.

Graphical abstract: An easy method to modify PEDOT:PSS/perovskite interfaces for solar cells with efficiency exceeding 15%

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Article information

DOI
https://doi.org/10.1039/C6RA11936K
Article type
Communication
Submitted
08 May 2016
Accepted
04 Jul 2016
First published
04 Jul 2016

RSC Adv., 2016,6, 65594-65599

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An easy method to modify PEDOT:PSS/perovskite interfaces for solar cells with efficiency exceeding 15%

S. Shahbazi, F. Tajabadi, H.-S. Shiu, R. Sedighi, E. Jokar, S. Gholipour, N. Taghavinia, S. Afshar and E. W.-G. Diau, RSC Adv., 2016, 6, 65594 DOI: 10.1039/C6RA11936K

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