The present invention provides a photoelectric conversion device having at least a fullerene derivative as an electron acceptor and a compound as an electron donor between a pair of electrodes, wherein the fullerene derivative has 2 to 4 organic groups which each independently have 1 to 50 carbon atoms, and wherein when the fullerene derivative has two organic groups, these organic groups do not bind to each other to form a ring.

Claims

17 · 1 independent · depth 3

17 granted claims

›1.independentA photoelectric conversion device having at least a fullerene derivative as an electron acceptor represented by any one of the following formulae (1A)…+16

›2.↳ 1The photoelectric conversion device of claim 1, wherein the fullerene derivative is represented by the following formula (1A):d2

›3.↳ 1The photoelectric conversion device according to claim 1, wherein R3, R4 and R5 are each independently a hydrocarbon group having 1 to 20 carbon atoms…d2

›4.↳ 1The photoelectric conversion device according to claim 1, wherein: R3 and R4 are an alkyl group having 1 to 3 carbon atoms; and R5 is a hydrocarbon gr…d2

›5.↳ 1The photoelectric conversion device according to claim 1, wherein: n is an integer from 1 to 5; and W is Si.d2

›6.↳ 1The photoelectric conversion device according to claim 1, wherein in the formulae (1A) to (1G): R1 is a group represented by the following formula (31…d2

›7.↳ 1The photoelectric conversion device according to claim 1, wherein the compound as the electron donor is a polymer compound.d2

›8.↳ 1The photoelectric conversion device according to claim 1, wherein the compound as the electron donor is a heterocyclic polymer compound.d2

›9.↳ 1The photoelectric conversion device according to claim 1, wherein the compound as the electron donor is a porphyrin compound or phthalocyanine compoun…d2

›10.↳ 1The photoelectric conversion device according to claim 1, wherein the compound as the electron donor is polythiophene or a copper phthalocyanine compl…d2

›11.↳ 1The photoelectric conversion device according to claim 1, wherein the compound as the electron donor is tetrabenzoporphyrin.d2

›12.↳ 1The photoelectric conversion device according to claim 1, which has a mixture layer comprising at least the fullerene derivative as the electron accep…d2+4

›17.↳ 1A solar cell comprising the photoelectric conversion device according to claim 1.d2

Classifications

5 codes

IPC · International Patent Classification

Section H — Electricity

H01L31/04

USPC · US Patent Classification

136/263977/735977/734136/252

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Type	Document	Date
related publication	US 20110005597 A1	13 Jan 2011

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