I understand you're looking for a good research paper related to SCAPS-1D (Solar Cell Capacitance Simulator in 1 Dimension), along with its download link.
Architecture: It is a 32-bit application but runs perfectly on 64-bit Windows systems. scaps 1d download link
Mac/Linux Users: You will need a virtual machine (like Parallels or VirtualBox) or Wine to run the executable. What Can You Do Once You Download It? I understand you're looking for a good research