Abstract: Provided herein are ink compositions with improved conductivity. The improved conductivity is attributable to the addition of organohalogen compounds to the composition.

Abstract: Provided herein are ink compositions with improved conductivity. The improved conductivity is attributable to the addition of organohalogen compounds to the composition.

Abstract: The invention relates to an electro-conductive paste comprising Ag nano-particles and spherical Ag micro-particles in the preparation of electrodes, particularly in electrical devices, particularly in temperature sensitive electrical devices or solar cells, particularly in HIT (Heterojunction with Intrinsic Thin-layer) solar cells. In particular, the invention relates to a paste, a process for preparing a paste, a precursor, a process for preparing an electrical device and a module comprising electrical devices. The invention relates to a paste comprising the following paste constituents: a. Ag particles, b. a polymer system; wherein the Ag particles have a multi-modal distribution of particle diameter with at least a first maximum in the range from about 1 nm to about less than 1 ?m and at least a further maximum in the range from about 1 ?m to about less than 1 mm; wherein the difference between the first and the further maximum is at least about 0.3 ?m; wherein at least 50 wt.

Abstract: Paste compositions, methods of making a paste composition, solar cells, and methods of making a solar cell contact are disclosed. The paste composition can include a conductive metal component, a glass component, and a vehicle. The glass component can include SiO2 at about 3 mole % or more and about 65 mole % or less of the glass component and one or more transition metal oxides at about 0.1 mole % or more and about 25 mole % or less of the glass component. The metal of the transition metal oxide is selected from the group consisting of Mn, Fe, Co, Ni, Cu, Ti, V, Cr, W, Nb, Ta, Hf, Mo, Zr, Rh, Ru, Pd, and Pt.

Abstract: Formulations and methods of making solar cells are disclosed. In general, the invention provides a solar cell comprising a contact made from a mixture wherein, prior to firing, the mixture comprises at least one aluminum source, at least one boron source, and about 0.1 to about 10 wt % of a glass component. Within the mixture, the overall content of aluminum is about 50 wt % to about 85 wt % of the mixture, and the overall content of boron is about 0.05 to about 20 wt % of the mixture.

Abstract: Formulations and methods of making solar cells are disclosed. In general, the invention presents a solar cell contact made from a mixture wherein the mixture comprises a solids portion and an organics portion, wherein the solids portion comprises from about 85 to about 99 wt % of a metal component, and from about 1 to about 15 wt % of a lead-free glass component. Both front contacts and back contacts are disclosed.

Abstract: Formulations and methods of making solar cells are disclosed. In general, the invention presents a solar cell contact made from a mixture wherein the mixture comprises a solids portion and an organics portion, wherein the solids portion comprises from about 85 to about 99 wt % of silver, and from about 1 to about 15 wt % of a glass component wherein the glass component comprises from about 15 to about 75 mol % PbO, and from about 5 to about 50 mol % SiO2, and preferably with no B2O3.