GaAs wurtzite nanowires for hybrid piezoelectric solar cells

Long exciton lifetimes in stacking-fault-free wurtzite GaAs nanowires

Direct detection of spontaneous polarization in wurtzite GaAs nanowires

Phase Transformation in Radially Merged Wurtzite GaAs Nanowires

III-V Nanowires (NWs) grown with metal-organic chemical vapor deposition commonly show a polytypic crystal structure, allowing growth of structures not found in the bulk counterpart. In this paper we studied the radial overgrowth of pure wurtzite (WZ) GaAs nanowires and characterized the samples with high resolution X-ray diffraction (XRD) to reveal the crystal structure of the grown material. ...

Semiconductor Nanowires for Solar Cells

This chapter discusses studies of semiconducting nanowire arrays for solar cells. The concept of 3D nanowire architectures for photovoltaic light harvesting to effectively decouple light absorption and carrier separation is presented. The available literature on semiconductor nanowire solar cell studies is summarized. Optical and electronic aspects specific to nanowires are discussed to illustr...

HRTEM assessment of Wurtzite and Zinc-Blende phases in GaAs nanowires for optoelectronic devices

1 Semiconductor nanowires have recently attracted a lot of interest as potential building blocks for future electronic and optoelectronic nanodevices. In this work structural and optical properties of semiconductor nanowires are studied by means of high resolution transmission electron microscopy (HRTEM) and photoluminescence (PL) analysis respectively. Several samples of GaAs nanowires grown u...