Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • 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
Highly Efficient Solid-State Dye-Sensitized Solar Cells Based on Triphenylamine Dyes
KTH, School of Chemical Science and Engineering (CHE), Centres, Centre of Molecular Devices, CMD.
KTH, School of Chemical Science and Engineering (CHE), Centres, Centre of Molecular Devices, CMD. KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Centres, Centre of Molecular Devices, CMD. KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Centres, Centre of Molecular Devices, CMD.
Show others and affiliations
2011 (English)In: Advanced Functional Materials, ISSN 1616-301X, E-ISSN 1616-3028, Vol. 21, no 15, 2944-2952 p.Article in journal (Refereed) Published
Abstract [en]

Two triphenylamine-based metal-free organic sensitizers, D35 with a single anchor group and M14 with two anchor groups, have been applied in dye-sensitized solar cells (DSCs) with a solid hole transporting material or liquid iodide/triiodide based electrolyte. Using the molecular hole conductor 2,2',7,7'-tetrakis-(N,N-di-p-methoxyphenyl-amine)9,9'-spirobifluorene (spiro-OMeTAD), good overall conversion efficiencies of 4.5% for D35 and 4.4% for M14 were obtained under standard AM 1.5G illumination (100 mW cm(-2)). Although M14 has a higher molar extinction coefficient (by similar to 60%) and a slightly broader absorption spectrum compared to D35, the latter performs slightly better due to longer lifetime of electrons in the TiO(2), which can be attributed to differences in the molecular structure. In iodide/triiodide electrolyte-based DSCs, D35 outperforms M14 to a much greater extent, due to a very large increase in electron lifetime. This can be explained by both the greater blocking capability of the D35 monolayer and the smaller degree of interaction of triiodide (iodine) with D35 compared to M14. The present work gives some insight into how the molecular structure of sensitizer affects the performance in solid-state and iodide/triiodide-based DSCs.

Place, publisher, year, edition, pages
2011. Vol. 21, no 15, 2944-2952 p.
Keyword [en]
ORGANIC-DYE, CHARGE RECOMBINATION, SPIRO-MEOTAD, PERFORMANCE, ELECTRON, CONVERSION, TRANSPORT, QUANTIFICATION, COORDINATION, COADSORBENT
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-39518DOI: 10.1002/adfm.201002319ISI: 000294164900018Scopus ID: 2-s2.0-80051678195OAI: oai:DiVA.org:kth-39518DiVA: diva2:442091
Funder
Swedish Research CouncilKnut and Alice Wallenberg Foundation
Note

QC 20110920

Available from: 2011-09-20 Created: 2011-09-12 Last updated: 2017-12-08Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full textScopus

Authority records BETA

Karlsson, MartinSun, Licheng

Search in DiVA

By author/editor
Jiang, XiaoKarlsson, Karl MartinGabrielsson, ErikJohansson, Erik M. J.Quintana, MariaKarlsson, MartinSun, LichengBoschloo, GerritHagfeldt, Anders
By organisation
Centre of Molecular Devices, CMDOrganic Chemistry
In the same journal
Advanced Functional Materials
Chemical Sciences

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 77 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • 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