TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preparation: No preparation method is given. Preferred Process: The ratio of M1a to zinc or M1b to zinc in the ink is 0.01-10. The heating step (a3) or (b3) is carried out at 50-500 degrees C. The depositing step (a2) or (b2) is carried out with an ink by printing, inkjet printing, aerosol jet printing, gravure printing, reverse gravure printing, reverse offset gravure printing, stamp printing, transfer printing, pad printing, spray pattern printing, flexographic printing, contact printing, reverse printing, thermal printing, lithography, electrophotographic printing, screen printing, spraying, spray coating, spray deposition, spray pyrolysis, coating, dip coating, wet coating, spin coating, knife coating, roller coating, rod coating, slot die coating, meyerbar coating, lip direct coating, capillary coating, liquid deposition, solution deposition, layer-by-layer deposition, spin casting, and solution casting. The heating step (b3) is performed in air having controlled humidity. Preferred Components: The ink further comprises at least one dopant element comprising halides, magnesium, yttrium, titanium, zirconium, niobium, chromium, ruthenium, bismuth, antimony or lanthanum. The substrate is a glass, a ceramic or a polymer. EXAMPLE - To a magnetically stirring mixture of 0.1188 g tris(2-isopropoxy-ethoxy) indium, 0.7670 g tris(2-isopropoxy-ethoxy) zinc and 40 ml toluene at 23 degrees C (room temperature) was added 16 ml 2-isopropoxy-ethanol over 1 minute via syringe. The reaction mixture was heated at 50 degrees C (oil bath) for 18 hours, resulting in formation of a colorless solution. The reaction mixture was cooled to 23 degrees C (room temperature) and filtered through a glass fiber pad attached to a stainless steel cannula. The volatile components were removed from the filtrate under reduced pressure and the residue was subsequently heated at 50 degrees C under reduced pressure for 2 hours to obtain 0.71 g indium zinc (2-isopropoxy-ethoxy) (In0.1Zn(OCH2CH2OCH(CH3)2)2.3) (yield 80%).