TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preferred array: In the array, the CIS-based photovoltaic devices are monolithically integrated onto the substrate.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The CIS-based solar absorber layer further comprises a metal selected from gallium, aluminum, boron, tellurium, and/or sulfur. The silicone composition is a free radical-curable silicone composition; or a hydrosilylation-curable silicone composition comprising a silicone resin having silicone-bonded alkenyl groups or silicon-bonded hydrogen; an organosilicon compound having an average of at least two silicon-bonded hydrogen atoms or silicon-bonded alkenyl groups per molecule, and present to cure the silicone resin; and a hydrosilylation catalyst. The silicone composition further includes inorganic filler in particulate form. The inorganic filler is further comprises a silica nanoparticles having at least one physical dimension less than 200 nm. The silicone resin is of formula (R1(R2)2SiO1/2)w((R2)2SiO2/2)x(R2SiO3/2)y(SiO4/2)z (I); or of formula (R1(R6)2SiO1/2)w'((R6)2SiO2/2)x'(R6SiO3/2)y'(SiO4/2)z' (II). The silicone resin is a rubber-modified silicone resin comprising the reaction product of the silicone resin (I); and at least one silicone rubber (D1) selected from rubbers having the formula R5(R1)2SiO(R1R5SiO)cSi(R1)2R5, or R1(R2)2SiO((R2)2SiO)dSi(R2)2R1, in the presence of the hydrosilylation catalyst and, optionally, in the presence of an organic solvent (provided that when silicone resin (I) silicon-bonded alkenyl groups (D1) has silicon-bonded hydrogen atoms, and when silicone resin (I) silicon-bonded hydrogen atoms, (D1) has silicon-bonded alkenyl groups). The silicone composition is a condensation-curable silicone composition comprising a silicone resin (A2) having at least two of a silicon-bonded hydroxy group or a hydrolysable group; optionally, a cross-linking agent (B1) having silicon-bonded hydrolysable groups, and optionally a condensation catalyst (C1). The silicone composition is a condensation-curable silicone composition comprising a rubber-modified silicone resin (A3) prepared by reacting an organosilicon compound selected from a silicone resin having the formula (II) or its hydrolysable precursors, or a silicone rubber having the formula (R8)3SiO(R1R8SiO)mSi(R8)3 in the presence of water, a condensation catalyst, and an organic solvent; optionally cross-linking (B1) agent having silicon-bonded hydrolysable groups, and optionally condensation catalyst (C1). The free radical-curable silicone composition comprises a silicone resin of formula (R1(R9)2SiO1/2)a'((R9)2SiO2/2)b'(R9SiO3/2)c'(SiO4/2)d' (III). The silicon composition comprises cyclic dihydrogenpolysiloxanes containing H2SiO2/2 units and having a weight-average molecular weight of 1500-1000000, which are liquid at room temperature; or comprises hydrogenpolysiloxanes having a siloxane unit of formula (H2Si2/2)p(His3/2)q(SiO4/2)r.R1=1-10C hydrocarbyl or 1-10C halogen-substituted hydrocarbyl (both free of aliphatic unsaturation);R9=R1, alkenyl, or alkynyl;a'=0-0.99;b'=0-0.99;c'=0-0.99;d'=0-0.85;a'+b'+c'+d'=1;p=0.12-1.0;q=0-0.88;r=0-0.30;p+q+f=1;R2=R1, an alkenyl group, or H;w and x=0-0.9;y and z'=0-0.99;z=0-0.85;w+x+y+z and w'+x'+y'+z'=1;(y+z)/(w+x+y+z)=0.1-0.99;(w+x)/(w+x+y+z)=0.01-0.9;c and d=4-1000;R6=R1, H, OH, or a hydrolysable group;w'=0-0.8;x'=0-0.95;y'=0-1;R8=R1 or a hydrolysable group;m=2-1000.Provided that the silicone resin (I) has an average of at least two silicon-bonded alkenyl groups per molecule; the silicone resin (A2) has an average of at least two silicon-bonded hydrogen atoms, hydroxy groups, or hydrolysable groups per molecule, with the proviso that the sum of the units R1SiO3/2 and SiO4/2 is greater than 0; and p, q, and r are not simultaneously 0.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The substrate further comprises fiber reinforcement (preferably nano filler).