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title = {{Gallium Nitride Nanowire Based Nanogenerators and Light-Emitting Diodes}},  journal = {{ACS} Nano},  }  @article{Dasgupta_2013,  doi = {10.1007/s11467-013-0305-0},  url = {http://dx.doi.org/10.1007/s11467-013-0305-0},  year = {2013},  month = {apr},  publisher = {Springer Science $\mathplus$ Business Media},  volume = {9},  number = {3},  pages = {289--302},  author = {Neil P. Dasgupta and Peidong Yang},  title = {{Semiconductor nanowires for photovoltaic and photoelectrochemical energy conversion}},  journal = {Front. Phys.},  }