Communication

Molecular Engineering of Zinc Phthalocyanines with Phosphinic Acid Anchoring Groups†

  1. Dr. Ismael López-Duarte1,‡,
  2. Dr. Mingkui Wang2,3,‡,
  3. Dr. Robin Humphry-Baker2,
  4. Mine Ince1,
  5. Dr. M. Victoria Martínez-Díaz1,
  6. Prof. Mohammad K. Nazeeruddin2,*,
  7. Prof. Tomás Torres1,*,
  8. Prof. Michael Grätzel2,*

Article first published online: 9 NOV 2011

DOI: 10.1002/anie.201105950

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 51, Issue 8, pages 1895–1898, February 20, 2012

Additional Information

How to Cite

López-Duarte, I., Wang, M., Humphry-Baker, R., Ince, M., Martínez-Díaz, M. V., Nazeeruddin, M. K., Torres, T. and Grätzel, M. (2012), Molecular Engineering of Zinc Phthalocyanines with Phosphinic Acid Anchoring Groups. Angew. Chem. Int. Ed., 51: 1895–1898. doi: 10.1002/anie.201105950

Author Information

  1. 1

    Departamento de Química Orgánica, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid (Spain)

  2. 2

    Laboratory for Photonics and Interfaces, Swiss Federal Institute of Technology, 1015 Lausanne (Switzerland)

  3. 3

    Michael Grätzel Center for Mesoscopic Solar Cells, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology (China)

  1. ‡

    These authors contributed equally to this work.

*Laboratory for Photonics and Interfaces, Swiss Federal Institute of Technology, 1015 Lausanne (Switzerland)

  1. †

    Financial support from the MICINN and MEC (Spain) (CTQ2011-24187/BQU, PLE2009-0070, and Consolider-Ingenio Nanociencia Molecular CSD2007-00010), Comunidad de Madrid (MADRISOLAR-2, S2009/PPQ/1533), and the EU (Project ROBUST DSC FP7-Energy-2007-1-RTD, No. 212792) is gratefully acknowledged. M.K.N. thanks the World Class University program, Photovoltaic Materials, Department of Material Chemistry, Korea University, Chungnam, 339-700, Korea, funded by the Ministry of Education, Science and Technology through the National Research Foundation of Korea (No. R31-2008-000-10035-0).

Publication History

  1. Issue published online: 14 FEB 2012
  2. Article first published online: 9 NOV 2011
  3. Manuscript Revised: 9 OCT 2011
  4. Manuscript Received: 18 AUG 2011

Funded by

  • MICINN
  • MEC (Spain). Grant Numbers: CTQ2011-24187/BQU, PLE2009-0070, CSD2007-00010
  • Comunidad de Madrid. Grant Numbers: MADRISOLAR-2, S2009/PPQ/1533
  • EU. Grant Number: 212792
  • National Research Foundation of Korea. Grant Number: R31-2008-000-10035-0

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Keywords:

  • dyes/pigments;
  • light harvesting;
  • phthalocyanines;
  • sensitizers;
  • solar cells
Thumbnail image of graphical abstract

Anchors away! Two zinc phthalocyanine photosensitizers with different phosphinic acid anchor groups were synthesized (see scheme). Solar cells sensitized with these compounds have a short-circuit photocurrent density of 7.6±0.2 mA cm−2, an open-circuit voltage of 559±30 mV, and a fill factor of 0.76±0.03, which corresponds to an overall conversion efficiency of 3.24 % under 1 sun.

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