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Er3+,Yb3+ co‐doped LaF3‐TiO2 nanocomposites (UC‐TiO2) are inserted as a middle layer in a novel tri‐layer photoanode design (see Figure) of a dye‐sensitized solar cell (DSSC). The Er3+,Yb3+ co‐doped LaF3 part of the nanocomposite helps capture near‐infrared (NIR) light by converting it into visible light absorbable by the dye hence opening the road for the development of DSSCs with higher conversion...
Pseudomonas delafieldii was immobilized in magnetic polyvinyl alcohol (PVA) beads using a hydrophilic magnetic fluid, which was prepared by a co-precipitation method. The beads had distinct super-paramagnetic properties and were compared with immobilized cells in non-magnetic PVA beads. Their desulfurizing activity was increased slightly from 8.7 to 9 mmol sulfur kg−1 (dry cell) h−1. The main advantages...
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