Inorganic dopants, inks and related nanotechnology

An ink composition comprising:

• nanopowders with domain size less than 100 nanometers;
• a solvent in which the nanopowders have been dispersed;
• wherein the nanopowders comprise of at least one metal;
• and
• wherein the nanofillers exhibit transparency to a visible wavelength of light that differs by more than 20% as compared with transparency to the visible wavelength of light exhibited by fillers of similar composition with fillers having a domain size of at least one micron.

An ink composition comprising

• oxide nanopowders with domain size less than 100 nanometers;
• a solvent in which the oxide nanopowders have been dispersed;
• wherein the oxide nanopowders comprise of at least one element selected from the group consisting of actinium, aluminum, antimony, arsenic, barium, bismuth, cadmium, calcium, cerium, cesium, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, antimony, boron, germanium, indium, nitrogen, phosphorus, selenium, sulfur, tellurium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, tin, titanium, tungsten, vanadium, ytterbium, yttrium, zinc, and zirconium, and
• wherein the nanofillers exhibit transparency to a visible wavelength of light that differs by more than 20% as compared with transparency to the visible wavelength of light exhibited by fillers of similar composition with fillers having a domain size of at least one micron.