Imagine a futuristic scene featuring post-silicon-based computers that utilize graphene and other two-dimensional materials. The setup showcases intricate graphene circuits with glowing, high-tech transistors, illustrating their superior electron movement and higher conductivity compared to silicon. Surrounding the computer are next-gen consumer devices, mobile devices, and IoT components, demonstrating the wide-ranging applications of these advanced materials in the future. The atmosphere is bathed in cool neon lighting, accentuating the cutting-edge technology and energy efficiency of the environment. The scene also incorporates elements that reflect the challenges of fabrication and large-scale manufacturing, such as partially constructed graphene transistors and advanced manufacturing equipment, all set within a high-tech lab environment.