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Cited by 24Organic Electronics and PhotovoltaicsOrganic Light-Emitting Diodes ResearchTiO2 Photocatalysis and Solar Cells

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On the potential of porphyrin-spiked triarylamine stars for bulk heterojunction solar cells

Kengthanomma, Thanisa, Thamyongkit, Patchanita, Gasiorowski, Jacek, Ramil, Alberto Montaigne, Sariciftci, Niyazi Serdar·2013·Journal of Materials Chemistry A
DOI 10.1039/c3ta11095h
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Abstract

A novel porphyrin–triarylamine compound was synthesized to serve as a photosensitizer in bulk heterojunction solar cells (BHJ-OSCs). Based on cyclic voltammetric analysis, the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy levels of the target porphyrin trimer were determined to be at −5.4 and −3.5 eV versus vacuum, respectively, and compared with those of other materials used for the construction of the BHJ-OSCs. Absorption and emission spectra of the film of the target porphyrin trimer were in good agreement with those of its solution. The charge transfer in a blended film of the porphyrin–triarylamine compound with phenyl-C61-butyric acid methyl ester (PCBM) was proven possible by photoluminescence measurements. The energy conversion efficiency of the BHJ-OSCs based on the target compound depended strongly on the donor : acceptor weight ratio and the thickness of the organic layer. Surface nanomorphologies of the films with different donor : acceptor ratios and thickness were investigated by atomic force microscopy (AFM). The short circuit current density (JSC) up to 2.06 mA cm−2 was obtained from the BHJ-OSC fabricated herein.

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Metadata

Authors
Kengthanomma, T., Thamyongkit, P., Gasiorowski, J., Ramil, A. M., & Sariciftci, N. S.
Affiliations
  • Chulalongkorn University (TH)
  • Johannes Kepler University of Linz (AT)
Corresponding author
Thamyongkit, Patchanita
ORCID
Thamyongkit, Patchanita
Venue
Journal of Materials Chemistry A
Publisher
Royal Society of Chemistry (RSC)
Published
2013
Volume
1
Issue
35
Pages
10524
ISSN
  • 2050-7488 (ISSN-L)
  • 2050-7496
DOI
10.1039/c3ta11095h
OpenAlex
W2162060320
Cited by
24
References
1
Citations by year
2026: 2 · 2024: 2 · 2022: 1 · 2020: 1 · 2019: 1 · 2018: 2 · 2017: 1 · 2016: 6 · 2015: 4 · 2014: 3 · 2013: 1
FWCI
2.80
Type
journal article
Language
en
Open access
closed
Locations
Journal of Materials Chemistry A (publishedVersion)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Organic Electronics and Photovoltaics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Organic Light-Emitting Diodes Research
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › TiO2 Photocatalysis and Solar Cells
Keywords
porphyrins, triarylamine, star-shaped molecules, bulk heterojunction, organic solar cells, photosensitizers, HOMO-LUMO energy levels, PCBM, charge transfer, donor-acceptor ratio, film thickness, surface morphology, short-circuit current density

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