Recent advances in solar energy conversion technologies based on organic semiconductors as light-harvesting layer, such as dye-sensitized solar cells and organic solar cells, employ MOS nanostructures for efficient charge extraction and transportation between the electrodes and organic molecules.
The schematic diagram involving different solar energy conversion technologies is shown in Fig. 2.
Recent advances in visible-light-responsive photocatalysts allow for the creation of novel and efficient solar energy conversion technologies.
In response to political and environmental motivations to develop alternative energy resources, researchers have taken a variety of approaches to develop solar energy conversion technologies.
The infrared light, accounting for almost half of the sun light, has not been utilized effectively by traditional semiconductor-based solar energy conversion technology that is mainly active in the region from ultraviolet to visible light.
The fundamentals of electron emission from electrodes and electron transport in vacuum gap are presented, as well as the state of the art of solar thermionic energy conversion technologies, including heat-induced thermionics and photon-enhanced thermionics.
Table 3 Annually available useful solar energy potential with different conversion technologies Gross solar energy GJ/m2 Useful energy per technologies in GJ/m2 PV CSC 7.9 1.2 2.4.
Based on Li et al. ([2010]), the existing capacities of the coal-fired, gas-fired, hydropower, wind power, solar power and nuclear power conversion technologies are set as 10, 2.2, 2.8, 0, 0, 0 (GW), respectively.
A design and optimization of photo-thermal energy conversion components using textile fiber is very important in solar thermal energy conversion technology.
The solar parabolic dish collector is one of the most efficient energy conversion technologies among the concentrating solar power (CSP) systems.
