Organic photovoltaic (OPV) cells and methods of forming the same are provided. An OPV cell can include an organic photoactive layer comprising bis-(8-quinolinolato-N,O)platinum (II) (PtQ.sub.2) having a general structure disclosed herein as Structure I. A method of forming an OPV cell can include fo.....
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An apparatus is used with a drilling assembly for drilling a borehole. The drilling assembly has an impact device linked to a drill head. The impact device is powered by a first fluid under a first pressure to impart a percussive force to the drill head. The percussive force is a function of the fir.....
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A method for isolating cimiracemate A from a Cimicifuga species is disclosed, comprising the steps of a) providing a sufficient quantity of raw materials from the Cimicifuga species, b) mixing the raw materials from the Cimicifuga species with an aqueous polar solvent at a temperature of about 20 DE.....
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