Patent ID: 8343267

Claim:
A gallium formulated ink, comprising: (a) a Group 1b/gallium/(optional indium)/Group 6a system which comprises a combination of as initial components: a gallium component, comprising, as initial components: gallium, a stabilizing component, an additive and a gallium carrier; a selenium component; an organic chalcogenide component: comprising at least one organic chalcogenide having a formula selected from the group consisting of RZ—Z′R′ and R 2 —SH; wherein Z and Z′ are independently selected from the group consisting of sulfur, selenium and tellurium; 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 hydroxyalkyl group, a C 1-20 mercaptoalkyl group and an ether group; wherein R′ and R 2 are selected from a C 1-20 alkyl group, a C 6-20 aryl group, a C 1-20 hydroxyalkyl group, a C 1-20 mercaptoalkyl group and an ether group; a Group 1b component comprising, as an initial component, at least one of CuCl 2 and Cu 2 O; optionally, a bidentate thiol component; optionally, an indium component; and, (b) a liquid carrier component; wherein the stabilizing component is selected from the group consisting of 1,3-propanedithiol, beta-mercaptoethanol, analogs thereof and mixtures thereof; wherein the additive is selected from the group consisting of pyrazine; 2-methylpyrazine; 3-methylpyrazole; methyl 2-pyrazinecarboxylate; pyrazole; praxadine; pyrazine carboxamide; pyrazine carbonitrile; 2,5-dimethylpyrazine; 2,3,5,6-tetramethylpyrazine; 2-aminopyrazine; 2-ethylpyrazine; quinoxaline; quinoxaline substituted with a C 1-5 alkyl group; 2-pyrazine carboxylic acid; 2-methylquinoxaline; 2,3-pyrazinedicarboxamide; 2,3-pyrazinedicarbonitrile; pyrrolidino-1-cyclohexene; pyrrolidino-1-cyclopentene; phenazine; phenazine substituted with a C 1-5 alkyl group; isoquinoline; isoquinoline substituted with a C 1-5 alkyl group; indoles; indoles substituted with a C 1-5 alkyl group; imidazole; imidazole substituted with a C 1-5 alkyl group; tetrazole; tetrazole substituted with a C 1-5 alkyl group; 1,5-diazabicyclo[4.3.0]non-5-ene; and 1,8-diazabicyclo[5.4.0]undec-7-ene; wherein the gallium carrier is selected from the group consisting of ethylene diamine; diethylenetriamine; tris(2-aminoethyl)amine; triethylenetetramine; n-butylamine; n-hexylamine; octylamine; 2-ethyl-1-hexylamine; 3-amino-1-propanol; 1-amino-2-propanol; 1,3-diaminopropane; 1,2-diaminopropane; 1,2-diaminocyclohexane; pyridine; pyrrolidine; 1-methylimidazole; tetramethylguanidine; 2-methyl pyrazine and mixtures thereof; and, wherein the Group 1b/gallium/(optional indium)/Group 6a system is stable in the liquid carrier component.