Structural, optical, and electrical properties of phase- controlled cesium lead iodide nanowires

1 Department of Chemistry, University of California, Berkeley, California 94720, USA 2 Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA 3 Kavli Energy Nanosciences Institute, Berkeley, California 94720, USA 4 Molecular Biophysics and Integrative Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA 5 Department of Physics, University of California, Berkeley, California 94720, USA 6 Department of Materials Science and Engineering, University of California, Berkeley, California 94720, USA