uu.seUppsala University Publications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
High-Efficient Solid-State Perovskite Solar Cell Without Lithium Salt in the Hole Transport Material
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.
2014 (English)In: NANO, ISSN 1793-2920, Vol. 9, no 5, 1440001- p.Article in journal (Refereed) Published
Abstract [en]

CH3NH3PbX (X Br, I, Cl) perovskites have recently been used as light absorbers in hybrid organic-inorganic solid-state solar cells, with efficiencies above 15%. To date, it is essential to add Lithium bis(Trifluoromethanesulfonyl) Imide (LiTFSI) to the hole transport materials (HTM) to get a higher conductivity. However, the detrimental er effect of high LiTFSI concentration on the charge transport, DOS in the conduction band of the TiO2 substrate and device stability results in an overall compromise for a satisfactory device. Using a higher mobility hole conductor to avoid lithium salt is an interesting alternative. Herein, we successfully made an efficient perovskite solar cell by applying a hole conductor PTAA (Poly[ bis(4-phenyl) (2,4,6-trimethylphenyl)amine]) in the absence of LiTFSI. Under AM 1.5 illumination of 100mW/cm(2), an efficiency of 10.9% was achieved, which is comparable to the efficiency of 12.3% with the addition of 1.3mM LiTFSI. An unsealed device without Li+ shows interestingly a promising stability.

Place, publisher, year, edition, pages
2014. Vol. 9, no 5, 1440001- p.
Keyword [en]
Perovskite CH3NH3PbI3, solar cell, lithium
National Category
Physical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-229738DOI: 10.1142/S1793292014400013ISI: 000339000700002OAI: oai:DiVA.org:uu-229738DiVA: diva2:738396
Available from: 2014-08-18 Created: 2014-08-12 Last updated: 2014-08-18Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text

Authority records BETA

Bi, DongqinBoschloo, GerritHagfeldt, Anders

Search in DiVA

By author/editor
Bi, DongqinBoschloo, GerritHagfeldt, Anders
By organisation
Physical Chemistry
Physical Chemistry

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 896 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf