초록 |
To improve the performance of organic photovoltaics, an insertion of the interlayer using metal oxides or metal nanoparticles has been extensively investigated. For generating thin oxide layer, however, vacuum deposition that is incompatible with solution processing is necessarily required. In this study, we employed one-dimensional biotemplate of M13 viruses that has specific binding interactions with inorganic precursor or metal nanoparticles. In particular, a formation of highly integrated and aligned monolayer of viruses is decisive for creating thickness-controlled thin interlayers. For this, we controlled intermolecular interactions of viruses with graphene substrates. When M13 virus was engineered to form the WO3 nanoparticles, the resulting virus-tempalted WO3 monolayer acted as a hole transport layer. In addition, when virus was engineered to capture Au nanoparticles, densely assembled monolayer of Au nanoparticle interlayer was successfully created. |