Several CuPc/PTCDI-C8 films with different structures (co-deposited, layered, and bilayer) were prepared and their structural properties were studied using X-ray diffraction. In order to study the effects of the active layers' structures on the performance of the device, organic solar cells based on these films were fabricated and their electrical characteristics have been explored. Absorbed prominent diffraction peaks for CuPc/PTCDI-C8 bilayer films indicate the formation of higher degree of crystallinity for this structure compared to the films with layered or co-deposited structures. This crystallinity results in higher device performance due to reduced recombination losses and microscopic shorts within the devices.

No abstract

No abstract

Chemical etching and deposition techniques have been used to fabricate longitudinal slots for a linear slotted waveguide array operating at 15 GHz. A comparison between computed and measured data for the antenna radiation pattern demonstrates the success of this low‐cost and accurate fabrication method. © 1994 John Wiley & Sons, Inc.