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US 8,008,116 B2Granted
Branched phenylene-terminated thiophene oligomers
AssigneeAlcatel Lucent
InventorsAshok J. Maliakal, Ming L. Tang
Life of this patent
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Abstract
A composition comprising a plurality of molecules. Each of the molecules has a core comprising at least one aromatic ring and at least three pendant arms chemically bonded to the core. The pendant arms comprise a phenylene-terminated thiophene oligomer.
Claims5
A method of manufacture, comprising,
- forming a layer on a substrate, said layer comprising a plurality of branched organic molecules, each of said molecules having a core and three pendant arms covalently bonded to said core, wherein
- said core is an aromatic ring or a fused aromatic ring system,
- said pendant arms comprise a phenylene-terminated thiophene oligomer,
- a pi-pi conjugation portion of said branched organic molecules includes said terminal phenylene groups of said three pendant arms and said core, and
- said branched organic molecule has a molecular weight of less than about 2000 gm/mol.
2 more elements
Dependencies are inferred from the claim text.