Related by context. Frequent words. (Click for all words.) 63 thermoelectrics 62 thermoelectric materials 58 SOFCs 58 CIGS solar cells 58 solar photovoltaic cells 57 Thermoelectric 56 thermoelectric 56 cathode materials 56 spintronic 56 SOFC 54 #KW [001] 54 InGaN 54 microwatts 54 electrolyzer 54 electrochemical 54 superconducting materials 54 polycrystalline 53 supercapacitors 53 photonic devices 53 metal hydride 53 copper indium gallium selenide 53 microelectronic devices 53 poly silicon 53 Lithium Ion batteries 53 conductive polymer 53 copper indium gallium diselenide 53 battery chemistries 53 purity silicon 52 super capacitors 52 interferometric 52 photodetectors 52 Piezoelectric 52 pulsed laser 52 ultrapure water 52 PEM fuel 52 solar concentrator 51 nanogenerator 51 microfluidic devices 51 polyamides 51 cadmium telluride 51 artificial photosynthesis 51 VCSELs 51 LED backlights 51 solar cells 51 fiber lasers 51 photodetector 51 1kW 51 Photovoltaic PV 51 reciprocating engines 51 CCFLs 51 thermo electric 51 InGaAs 51 silicon carbide 51 millivolts 51 silicon substrates 51 tokamak 51 organic photovoltaics 51 conductive inks 51 photovoltaics PV 50 MEMs 50 electron beams 50 combustor 50 ultrasonics 50 silicon transistors 50 thermo chemical 50 amorphous silicon 50 phosphors 50 5kW 50 levelized cost 50 laser diodes 50 electrochemically 50 electrospinning 50 oxy fuel 50 micromachining 50 Li ion batteries 50 Inverters 50 NiMH batteries 50 lm W 50 nanofibres 50 cold cathode fluorescent 50 PZT 50 parabolic trough 50 SiC 50 Lithium ion 50 excitons 50 porous silicon 50 spark ignition 50 cryogenic temperatures 50 carbon nanotubes CNTs 50 diode lasers 49 interferometers 49 GaN HEMT 49 TFTs 49 photonic crystals 49 Schottky diodes 49 electrically heated 49 lithium ion rechargeable batteries 49 mm wafers 49 Spectrolab 49 hybrid powertrains 49 ionisation