NOVELTY - Photovoltaic device comprises: a photovoltaic element (1002) having an active face (1004) and an operating wavelength range; a polymer structure (1008) having a bottom surface disposed on the active face of the photovoltaic element and a top surface; and many granules (1020) disposed on the top surface of the polymer structure.    USE - The photovoltaic device is useful in: an array of photovoltaic devices; a photovoltaic roofing element; and a roof (all claimed).    ADVANTAGE - The photovoltaic device exhibits improved aesthetically desirable appearance, thus retaining high photovoltaic efficiency.    DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for:    (1) an array of photovoltaic devices;    (2) a photovoltaic roofing element (1030), comprising the photovoltaic device disposed on or within a roofing substrate;    (3) an array of photovoltaic roofing elements;    (4) a roof comprising at least one photovoltaic devices disposed on a roof deck;    (5) a photovoltaic roofing element comprising a roofing substrate having a top face and a bottom face, a photovoltaic element disposed on the top face of or within the roofing substrate, leaving an exposed area on the top face of the roofing substrate, where the photovoltaic element having an operating wavelength range and an active face, where the active face having an active area and an inactive area, a polymer structure having a bottom surface disposed on the exposed area on the top face of the roofing substrate, and a top surface, and many granules disposed on the top surface of the polymer structure;    (6) a roof comprising at least one photovoltaic roofing elements disposed on a roof deck;    (7) a granule coated polymer structure comprising a polymer structure having a bottom surface and a top surface, and many granules disposed on the top surface of the polymer structure, where the combination of the granules and the polymer structure has at least 40% energy transmissivity of solar radiation in the 400-750 nm, 650-1000 nm or 450-1150 nm wavelength range; and    (8) modifying a surface of a photovoltaic device, comprising disposing on the surface of the photovoltaic device a polymer structure, where the polymer structure have a bottom surface and a top surface, the bottom surface is disposed on the surface of the photovoltaic device, and the top surface have granules disposed on it.    DESCRIPTION OF DRAWING(S) - The figure shows a cross-sectional view of a photovoltaic roofing element having a second polymer structure.    Photovoltaic element (1002)    Active face (1004)    Polymer structure (1008)    Many granules (1020)    Photovoltaic roofing element (1030)