A photovoltaic cell, photodetector, or organic field effect transistor comprising a composition of formula (i), (ii), (iii), or (iv)
- (i) a composition comprising:
- a C60 chemical derivative selected from the group consisting of methanofullerene derivatives, PCBM derivatives, ThCBM derivatives, Prato derivatives, Bingel derivatives, diazoline derivatives, azafulleroid derivatives, ketolactam derivatives, and Diels-Alder derivatives;
- a C70 chemical derivative selected from the group consisting of methanofullerene derivatives, PCBM derivatives, ThCBM derivatives, Prato derivatives, Bingel derivatives, diazoline derivatives, azafulleroid derivatives, ketolactam derivatives, and Diels-Alder derivatives;
- wherein the C60 chemical derivative and the C70 chemical derivative are both members of the same class of chemical derivatives;
- C60 and C70 in the cumulative range of about 0% to about 50%;
- one or more C60 bis-adduct chemical derivative, one or more C60 tris-adduct chemical derivative, one or more C70 bis-adduct chemical derivative, and one or more C70 tris-adduct chemical derivative in the cumulative range of about 0% to about 50%;
- one or more fullerene greater than C70 and one or more chemical derivative of fullerenes greater than C70 in the cumulative range of about 0% to about 3%;
- one or more oxide of C60, one or more oxide of C70, one or more oxide of C60 chemical derivatives, and one or more oxide of C70 chemical derivatives in the cumulative range of about 0.001% to about 5%;
- and
- one or more dimer of C60, one or more dimer of C70, one or more dimer of C60 chemical derivatives, and one or more dimer of C70 chemical derivatives in the cumulative range of about 0% to about 5%;
- (ii) a composition comprising:
- a C60 chemical derivative selected from the group consisting of bis-methanofullerene derivatives, bis-PCBM derivatives, bis-ThCBM derivatives, bis-Prato derivatives, bis-Bingel derivatives, bis-diazoline derivatives, bis-azafulleroid derivatives, bis-ketolactam derivatives, and bis-Diels Alder derivatives;
- a C70 chemical derivative selected from the group consisting of bis-methanofullerene derivatives, bis-PCBM derivatives, bis-ThCBM derivatives, bis-Prato derivatives, bis-Bingel derivatives, bis-diazoline derivatives, bis-azafulleroid derivatives, bis-ketolactam derivatives, and bis-Diels Alder derivatives;
- wherein the C60 chemical derivative and the C70 chemical derivative are both members of the same class of chemical derivatives;
- C60 and C70 in the cumulative the range of of about 0% to about 50%;
- one or more C60 mono-adduct chemical derivative, one or more C60 tris-adduct chemical derivative, one or more C70 mono-adduct chemical derivative, and one or more C70 tris-adduct chemical derivative in the cumulative range of about 0% to about 50%;
- one or more fullerene greater than C70 and one or more chemical derivative of fullerenes greater than C70 in the cumulative range of about 0% to about 3%;
- one or more oxide of C60, one or more oxide of C70, one or more oxide of C60 chemical derivatives, and one or more oxide of C70 chemical derivatives in the cumulative range of about 0.001% to about 5%;
- and
- one or more dimer of C60, one or more dimer of C70, one or more dimer of C60 chemical derivatives, and one or more dimer of C70 chemical derivatives in the cumulative range of about 0% to about 5%;
- (iii) a composition comprising:
- a compound represented by formula I;
- a compound represented by formula II;
- wherein
- y is 1;
- A is a C60 fullerene bonded to —C(X)(Y)— via a methano-bridge;
- A′ is a C70 fullerene bonded to —C(X)(Y)— via a methano-bridge;
- X is optionally substituted aryl or aralkyl;
- Y is an optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heteroalkyl, optionally substituted heterocycloalkyl, optionally substituted alkenyl, or optionally substituted aralkyl;
- C60 and C70 in the cumulative range of about 0% to about 50%;
- one or more C60 bis-adduct chemical derivative, one or more C60 tris-adduct chemical derivative, one or more C70 bis-adduct chemical derivative, and one or more C70 tris-adduct chemical derivative are in the cumulative range of about 0% to about 50%;
- one or more fullerene greater than C70 and one or more chemical derivative of fullerenes greater than C70 in the cumulative range of about 0% to about 3%;
- one or more oxide of C60, one or more oxide of C70, one or more oxide of C60 chemical derivatives, and one or more oxide of C70 chemical derivatives in the cumulative range of about 0.001% to about 5%;
- and
- one or more dimer of C60, one or more dimer of C70, one or more dimer of C60 chemical derivatives, and one or more dimer of C70 chemical derivatives in the cumulative range of about 0% to about 5%;
- and
- (iv) a composition, comprising:
- a compound represented by formula I;
- a compound represented by formula II;
- wherein
- y is 2;
- A is a C60 fullerene bonded to —C(X)(Y)— via a methano-bridge;
- A′ is a C70 fullerene bonded to —C(X)(Y)— via a methano-bridge;
- X is optionally substituted aryl or aralkyl;
- Y is an optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heteroalkyl, optionally substituted heterocycloalkyl, optionally substituted alkenyl, or optionally substituted aralkyl;
- C60 and C70 in the cumulative range of about 0% to about 50%;
- one or more C60 mono-adduct chemical derivative, one or more C60 tris-adduct chemical derivative, one or more C70 mono-adduct chemical derivative, and one or more C70 tris-adduct chemical derivative are in the cumulative range of about 0% to about 50%;
- one or more fullerene greater than C70 and one or more chemical derivative of fullerenes greater than C70 in the cumulative range of about 0% to about 3%;
- one or more oxide of C60, one or more oxide of C70, one or more oxide of C60 chemical derivatives, and one or more oxide of C70 chemical derivatives in the cumulative range of about 0.001% to about 5%;
- and
- one or more dimer of C60, one or more dimer of C70, one or more dimer of C60 chemical derivatives, and one or more dimer of C70 chemical derivatives in the cumulative range of about 0% to about 5%.