Patent application number | Description | Published |
20110033548 | DEGRADABLE CROSSLINKED AMINATED DEXTRAN MICROSPHERES AND METHODS OF USE - Degradable, crosslinked aminated dextran microspheres are described. The microspheres contain aminated dextran crosslinked with a crosslinking agent having two or more functional groups that are capable of reacting with the primary amine groups of the aminated dextran to form covalent bonds. The degradable, crosslinked aminated dextran microspheres may be useful for temporary therapeutic embolization and drug delivery. | 02-10-2011 |
20110287573 | ATYPICAL KESTERITE COMPOSITIONS - This invention relates to processes for making kesterite compositions with atypical Cu:Zn:Sn:S ratios and/or kesterite compositions with unusually small coherent domain sizes. This invention also relates to these kesterite compositions and their use in preparing CZTS films. | 11-24-2011 |
20120055554 | COPPER ZINC TIN CHALCOGENIDE NANOPARTICLES - This invention relates to nanoparticles of kesterite (copper zinc tin sulfide) and copper zinc tin selenide nanoparticles, inks and devices thereof, and processes to prepare same. The nano-particles are useful to for the absorber layer as a p-type semiconductor in a thin film solar cell application. | 03-08-2012 |
20120060928 | PROCESSES FOR PREPARING COPPER TIN SULFIDE AND COPPER ZINC TIN SULFIDE FILMS - This invention relates to processes for preparing films of CTS and CZTS and their selenium analogues on a substrate. Such films are useful in the preparation of photovoltaic devices. This invention also relates to processes for preparing coated substrates and for making photovoltaic devices. | 03-15-2012 |
20120061628 | COPPER TIN SULFIDE AND COPPER ZINC TIN SULFIDE INK COMPOSITIONS - This invention relates to ink compositions useful for preparing films of CTS and CZTS and their selenium analogues on a substrate. Such films are useful in the preparation of photovoltaic devices. | 03-15-2012 |
20120288987 | AQUEOUS PROCESS FOR PRODUCING CRYSTALLINE COPPER CHALCOGENIDE NANOPARTICLES, THE NANOPARTICLES SO-PRODUCED, AND INKS AND COATED SUBSTRATES INCORPORATING THE NANOPARTICLES - The present invention relates to aqueous processes to make metal chalcogenide nanoparticles that are useful precursors to copper zinc tin sulfide/selenide and copper tin sulfide/selenide. In addition, this invention provides processes for preparing crystalline particles from the metal chalcogenide nanoparticles, as well as processes for preparing inks from both the metal chalcogenide nanoparticles and the crystalline particles. | 11-15-2012 |
20130095602 | ATYPICAL KESTERITE COMPOSITIONS - This invention relates to processes for making kesterite compositions with atypical Cu:Zn:Sn:S ratios and/or kesterite compositions with unusually small coherent domain sizes. This invention also relates to these kesterite compositions and their use in preparing CZTS films. | 04-18-2013 |
20130125988 | CZTS/Se PRECURSOR INKS AND METHODS FOR PREPARING CZTS/Se THIN FILMS AND CZTS/Se-BASED PHOTOVOLTAIC CELLS - The present invention relates to coated binary and ternary chalcogenide nanoparticle compositions that can be used as copper zinc tin chalcogenide precursor inks. In addition, this invention relates to coated substrates comprising binary and ternary chalcogenide nanoparticle compositions and provides processes for manufacturing these coated substrates. This invention also relates to compositions of copper zinc tin chalcogenide thin films and photovoltaic cells comprising such films. In addition, this invention provides processes for manufacturing copper zinc tin chalcogenide thin films, as well as processes for manufacturing photovoltaic cells incorporating such films. | 05-23-2013 |