Abstract: The present invention relates to a photoactive layer solution for an efficient organic solar cell including core/shell metal oxide nano-particles, to a method for manufacturing same, and to an organic solar cell including the photoactive layer solution and to a method for manufacturing same. Uniform coating of a substrate having a large area is difficult using the existing PEDOT:PSS. However, using the photoactive layer solution according to the present invention enables P-type metal oxide nano-particles to be directly dispersed on the photoactive layer, thereby having efficiency similar to the existing layer-by-layer (LbL)-type organic solar cell, and enabling a reduction in costs, since there is no need to deposit a separate p buffer layer such as PEDOT:PSS, and the organic solar cell to be manufactured by means of just a simple wet process. Also, application products can be selected through various types of coating methods.

Abstract: Disclosed is an Ni-plated layer of biaxial texture, which is formed by electroplating. In the Ni-plated layer,peaks measured on a &thgr;-rocking curve have a FWHM of 7° or less in terms of the misorientation on the c-axis; and peaks measured on &phgr;-scan have a FWHM of 21° or less in terms of the misorientation on the plane formed by the a-axis and the b-axis. Also, a process of electroplating a Ni layer are disclosed. The process comprises forming a Ni-plated layer of biaxial texture under a magnetic field by electroplating and subjecting the Ni-plated layer to thermal treatment to develop the biaxial texture. This electroplating process is expected to give a significant contribution to the development of the electroplating technology and to replace the vacuum deposition used for the preparation of thin film magnetic materials or thin film piezoelectric materials.