Hole transport material

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United States of America Patent

PATENT NO 9997714
SERIAL NO

15026776

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Abstract

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The invention relates to 2,2′,7,7′-tetrakis-(N,N′-di-4-methoxy-3-methylphenylamine)-9,9′-spirofluorene, to a process for its preparation, and to its use as hole transport material for electronic or optoelectronic devices, especially for solid-state dye-sensitized solar cells.

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Patent Owner(s)

Patent OwnerAddress
MERCK PATENT GMBH64293 DARMSTADT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Becker, Heinrich Ober-Ramstadt, DE 73 1366
Montenegro, Elvira Weinheim, DE 126 877
Sawada, Atsushi Kanagawa Pref., JP 23 234
Shinohara, Hiromi Kanagawa Pref., JP 6 34

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