Issue 80, 2013
From the journal:

Chemical Communications

Photovoltage enhancement from cyanobiphenyl liquid crystals and 4-tert-butylpyridine in Co(ii/iii) mediated dye-sensitized solar cells†

Teck Ming Koh,ab   Hairong Li,b   Kazuteru Nonomura,a   Nripan Mathews,abc   Anders Hagfeldt,d   Michael Grätzel,e   Subodh G. Mhaisalkarab  and  Andrew C. Grimsdale*b  

* Corresponding authors

a Energy Research Institute @ NTU (ERI@N), Nanyang Technological University, 50 Nanyang Drive, Singapore 637553

b School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798
E-mail: ACGrimsdale@ntu.edu.sg

c Singapore-Berkeley Research Initiative for Sustainable Energy, 1 Create Way, Singapore 138602

d Department of Chemistry – Ångström Laboratory, Uppsala University, Box 523, 751 20 Uppsala, Sweden

e École Polytechnique Fédérale de Lausanne, Laboratory of Photonics and Interfaces, CH-1015 Lausanne, Switzerland

Abstract

Two cyanobiphenyl liquid crystals (LCs), 5CB (4-cyano-4′-pentylbiphenyl) and 8CB (4-cyano-4′-octylbiphenyl), are introduced as additives into Co(II/III) electrolytes for dye-sensitized solar cells (DSCs). An electrolyte containing a combination of these LCs and 4-tert-butylpyridine (TBP) exhibits higher photovoltage than one with only TBP, resulting in higher power conversion efficiency.

Graphical abstract: Photovoltage enhancement from cyanobiphenyl liquid crystals and 4-tert-butylpyridine in Co(ii/iii) mediated dye-sensitized solar cells

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Article information

DOI
https://doi.org/10.1039/C3CC43892A
Article type
Communication
Submitted
24 May 2013
Accepted
05 Aug 2013
First published
07 Aug 2013

Chem. Commun., 2013,49, 9101-9103

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Photovoltage enhancement from cyanobiphenyl liquid crystals and 4-tert-butylpyridine in Co(II/III) mediated dye-sensitized solar cells

T. M. Koh, H. Li, K. Nonomura, N. Mathews, A. Hagfeldt, M. Grätzel, S. G. Mhaisalkar and A. C. Grimsdale, Chem. Commun., 2013, 49, 9101 DOI: 10.1039/C3CC43892A

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