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

Shahbazi, S ; Sharif University of Technology | 2016

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  1. Type of Document: Article
  2. DOI: 10.1039/c6ra11936k
  3. Publisher: Royal Society of Chemistry , 2016
  4. Abstract:
  5. 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
  6. Keywords:
  7. Conducting polymers ; Perovskite ; Perovskite solar cells ; Propionic acid ; Surface treatment ; Device performance ; PEDOT:PSS ; Perovskite grains ; Weak acids ; Solar cells
  8. Source: RSC Advances ; Volume 6, Issue 70 , 2016 , Pages 65594-65599 ; 20462069 (ISSN)
  9. URL: http://pubs.rsc.org/en/Content/ArticleLanding/2016/RA/C6RA11936K#!divAbstract