| abstract |
In general, the invention relates to electro-conductive pastes with characteristic weight loss and their use in the preparation of photovoltaic solar cells. More specifically, the invention relates to electro-conductive pastes, solar cell precursors, processes for preparation of solar cells, solar cells and solar modules. n1. The invention relates to paste comprising the following paste constituents: na. Metal particles; nb. A polymer system; nwherein the first weight loss 30 , determined according to the test method provided herein, is in the range from about 0.02 to about 0.5. |