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N-type thiophene semiconductors

  • US 6,585,914 B2
  • Filed: 07/24/2001
  • Issued: 07/01/2003
  • Est. Priority Date: 07/24/2000
  • Status: Expired due to Term
First Claim
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1. An n-type polythiophene composition having the structural formula embedded imagewherein R1, R2 and R3 are selected from the substituent group consisting of fluoroalkyl moieties, CnH2n+1 and where n is about 1-12, H, F and (CH2)aX and where a is about 1-12 and X is selected from the group consisting of amino, hydroxy and carboxylic acid functionalities;

  • and x, y and z are integers selected from the group of integers consisting of 1 and integers greater than 1.

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