Patent Number: 6,307,147

Title: Organic dyes for photovoltaic cells and for photoconductiveelectrophotography systems

Abstract: Photovoltaic cells disclosed comprising a structure according to formula Ias shown below:##STR1##wherein R.sub.1, R.sub.4, R.sub.8, R.sub.11, R.sub.15, R.sub.18, R.sub.22,and R.sub.25 are selected from the group consisting of hydrogen, fluorine,chlorine, methoxy, methyl, ethyl and cyano; wherein R.sub.31 and R.sub.29are both hydrogen or together are a metal ion having a double positivecharge or a metal ion plus non-metal atom or group bound to the metal ion,and having overall a double positive charge; and wherein R.sub.1, R.sub.4,R.sub.15, and R.sub.18 are the same and are a first substituent, andR.sub.8, R.sub.11, R.sub.22 and R.sub.25 are the same and are a secondsubstituent which is different from said first substituent.

Inventors: Bird; George R. (Princeton, NJ), Sauers; Ronald Raymond (Highland Park, NJ), Panayotatos; Paul (New Brunswick, NJ)


International Classification:

Expiration Date: 10/23/2013