Patent ID: 8308973

Claim:
A selenium ink, comprising: a chemical compound having a formula RZ—Se x —Z′R′; wherein Z and Z′ are each independently selected from the group consisting of sulfur, selenium and tellurium; wherein x is 2 to 20; wherein R is selected from the group consisting of H, C 1-20 alkyl group, a C 6-20 aryl group, a C 1-20 alkylhydroxy group, an arylether group and an alkylether group; wherein R′ is selected from the group consisting of a C 1-20 alkyl group, a C 6-20 aryl group, a C 1-20 alkylhydroxy group, an arylether group and an alkylether group; and a liquid carrier, wherein the liquid carrier is a nitrogen containing solvent; wherein the selenium ink comprises ≧1 wt % selenium; wherein the selenium ink is stable and wherein the selenium ink is hydrazine and hydrazinium free.