NOVELTY - Material having metal containing compound (I), is claimed.    USE - The material is useful: as a semiconductor and a thin film; in optoelectronic device; in thin film material, which is useful in photovoltaic absorber and photovoltaic device (all claimed); and in transparent conductive material, devices and systems for energy conversion including solar cells. The material is useful for preparing semiconductor material including (copper, silver)(indium, aluminum)(selenium,sulfur) (Cu, Ag)(In,Ga, Al)(S,Se) or CAIGAS materials.    ADVANTAGE - The material is more stable; allows to control the stoichiometry of the atoms in the semiconductors, preferably metal atoms; provides semiconductor layers with enhanced uniformity and greater property and with enhanced processability for solar cell production; makes solar cells and other products at relatively low temperatures; enhanced solubility in organic solvents; and makes photovoltaic layers, semiconductors, and devices regardless of the morphology, architecture, or manner of fabrication of the semiconductors or devices.    DETAILED DESCRIPTION - Material having metal containing compound of formula ((Cu1-xAgx)u(In1y-tGayAlt)v,(S1-zSez)w) (I), is claimed.    x = 0-1, preferably 1;    y, z = 0-1;    t = 0.001-1, preferably 0.001-0.3, where the sum of y+t is 0.001-1;    u = 0.5-1.5, preferably 0.7-1.1;    v = 0.5-1.5, preferably 0.9-1.1; and    w = 1-3, preferably 1.8-2.4.    INDEPENDENT CLAIMS are included for:    (1) an optoelectronic device comprising the material;    (2) a thin film material made by a process comprising (a) providing one or more copper-silver(indium-gallium-silver)sulfur (CA(I,G,A)S), CAIGAS, A(I,G,A)S, AIGAS, C(I,G,A)S or CIGAS polymeric precursor compounds or inks; (b) providing a substrate (10); (c) depositing the compounds or inks onto the substrate; and (d) heating the substrate at a temperature of 20-650 degrees C, in an inert atmosphere, for producing a thin film material;    (3) a photovoltaic absorber made with the thin film material; and    (4) a photovoltaic device comprising the thin film material made by the process.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic representation of a solar cell.    Substrate (10)    Electrode layer (20)    Absorber layer (30)    Window layer (40)    Transparent conductive layer. (50)