Patent ID: 8796543
Filing Date: 2014-08-05
Classification: B82Y,H01L,Y02E

Abstract:
1. An organic thin-film solar cell comprising: a transparent electrode; a hole taking out layer on the transparent layer, the hole taking-out layer comprising poly (3,4) ethylenedioxythiophene; a first layer on the hole taking out layer, wherein the first layer comprises polyakylthiophene (P3HT), polyphenylenevinylene (MDMO-PPV) and fullerene wherein the P3HT and MDMO-PPV are at ratio of 3:5; a second layer on the first layer, wherein the second layer comprises P3HT and fullerene; and a metal electrode on the second layer, wherein at least one of the hole taking out layer, the first layer, and the second layer having a weight-average molecular weight of 100,000 or more.