A photovoltaic yarn, comprising - at least one texturized yarn, - at least one intermediate layer which covers the said texturized yarn and increase the adhesion strength of the yarn, - at least one cathode layer which comprises gallium-indium alloy is coated on the yarn by means of the intermediate layer, - at least one active layer which comprises an electron donor material selected from the group consisting of p-type poly(3-hexylthiophene) (P3HT), poly[N - 9'-hepta-decanyl-2,7-carbazolealt-5,5-(4',7'-di-2-thienyl-2',1',3'-benzothiadiazole)] (PCDTBT), Poly[2,6-(4,4-bis-(2-ethylhexyl)-4H-cyclopenta [2,1-b;3,4-b']dithiophene)-alt-4,7(2,1,3-benzothiadiazole)] (PCPDTBT), Poly({4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl}{3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl}) and an electron acceptor material selected from the group consisting of n-type carbon-60 derived [6,6]-phenyl-C 61 -butyric acid methyl ester (PCBM); (6,6)-phenyl C 71 -butyric acid methyl ester (PC 71 BM), 1',1",4',4"-Tetrahydrodi[1,4]methanonaphthaleno[1,2:2',3',56,60:2",3"][5,6]fullerene-C60, C60 derivative, indene-C60 bisadduct (ICBA), located on the cathode layer, comprises electron acceptor and electron donor materials, and has a photovoltaic structure, - at least one anode layer which is a mixture of polymers comprised of Poly(3,4-ethylenedioxythyophene) (PEDOT), polystyrenesulphonate, dimethyl sulfoxide (DMSO) and triton X-100, which enables the light coming from any light source to be transferred to other layers by means of its optic permeable structure, and perform electrical conduction by interacting with the cathode layer. - at least one texturized yarn, - at least one intermediate layer which covers the said texturized yarn and increase the adhesion strength of the yarn, - at least one cathode layer which comprises gallium-indium alloy is coated on the yarn by means of the intermediate layer, - at least one active layer which comprises an electron donor material selected from the group consisting of p-type poly(3-hexylthiophene) (P3HT), poly[N - 9'-hepta-decanyl-2,7-carbazolealt-5,5-(4',7'-di-2-thienyl-2',1',3'-benzothiadiazole)] (PCDTBT), Poly[2,6-(4,4-bis-(2-ethylhexyl)-4H-cyclopenta [2,1-b;3,4-b']dithiophene)-alt-4,7(2,1,3-benzothiadiazole)] (PCPDTBT), Poly({4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl}{3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl}) and an electron acceptor material selected from the group consisting of n-type carbon-60 derived [6,6]-phenyl-C 61 -butyric acid methyl ester (PCBM); (6,6)-phenyl C 71 -butyric acid methyl ester (PC 71 BM), 1',1",4',4"-Tetrahydrodi[1,4]methanonaphthaleno[1,2:2',3',56,60:2",3"][5,6]fullerene-C60, C60 derivative, indene-C60 bisadduct (ICBA), located on the cathode layer, comprises electron acceptor and electron donor materials, and has a photovoltaic structure, - at least one anode layer which is a mixture of polymers comprised of Poly(3,4-ethylenedioxythyophene) (PEDOT), polystyrenesulphonate, dimethyl sulfoxide (DMSO) and triton X-100, which enables the light coming from any light source to be transferred to other layers by means of its optic permeable structure, and perform electrical conduction by interacting with the cathode layer.