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research article

Trends in patent applications for dye-sensitized solar cells

Pettersson, Henrik
•
Nonomura, Kazuteru  
•
Kloo, Lars
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2012
Energy & Environmental Science

Dye-sensitized solar cell (DSC) technol. has grown into a massive field of research and development with a fast increasing no. of scientific publications and patent applications. We have created a database for patents and patent applications that deal with dye-sensitized solar cell technol. In this paper the database has been used to analyze the no. of patent applications over time, as well as tech., organizational, and geog. trends in patent applications for dye-sensitized solar cells. Activity in relation to DSC patents seriously took off after the millennium, with the majority of DSC patent applications coming from Asia. Almost 90% of the documents in the database derive from Japan, China, and Korea. From a tech. perspective, approx. 75% of the DSC patent applications deal with DSC materials, mainly semiconductor materials, dyes, electrolytes, and device substrates. The DSC patent situation is complex and we recommend any potential manufacturer of DSC devices and/or DSC components to carefully analyze their freedom-to-operate.

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Type
research article
DOI
10.1039/c2ee03323b
Author(s)
Pettersson, Henrik
Nonomura, Kazuteru  
Kloo, Lars
Hagfeldt, Anders  
Date Issued

2012

Published in
Energy & Environmental Science
Volume

5

Start page

7376

End page

7380

Subjects

dye sensitized solar cell patent application

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
LSPM  
Available on Infoscience
July 6, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/115859
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