PHOTO-GREEN envisages the fabrication of monolithic, stable and large-scale (10 cm x 10 cm) aesthetic semi-transparent perovskite solar cell configurations interconnected with graphene supercapacitors for the development of interior photo-storage devices for continuous power generation. This pleasant and exciting eye-catching photo-storage device concept will allow the designers to transform all IoT objects into continuous power generation panels, in a fashionable, economically accessible, and environmentally friendly manner.