King Abdul Aziz City for Science and Technology (KACST) hosted a workshop here today on "New trends in Nanotechnology and Optoelectronics" in cooperation with the University of California, Los Angeles, in the presence of a number of experts and researchers from inside and outside the Kingdom. During the workshop, researchers studied the thermal properties of nanomaterials, ultra-high-speed electronic devices, flexible photovoltaic devices, detectors, solar cells, lasers and photovoltaics.