Our GaAs solar cells has 40% conversion efficiency.It is produced under European standard ECSS.We are wholesale sales and factory direct sales.
Highly efficiency of our GaAs solar cells , there is few factories can reach 40% efficiency. A GaAs solar cell with an efficiency of 40.34% at 1000 suns,41.15% at 500 suns.
In summary, demonstrated solution-deposited inverted tandem PSCs and inverted triple-junction PSCs. The tandem PSCs employ wide and medium bandgap polymers with minimal overlap in their absorption spectra.
Moreover, fabricated the inverted triple-junction PSCs by adding a further low bandgap copolymer PMDPP3T blended PC70BM because the bottom subcell that absorbs photons up to 960 nm. The optical simulation allows us to surpass the complexity of current balancing issues between the subcells, and thus to subsequently simplify the optimization process of the thickness for all the subcells. The agreement between the experimental data and therefore the simulated results clearly demonstrate the feasibility and accuracy of using optical modelling within the design of multi-junction polymer solar cells; especially in optimizing the thicknesses of the subcell. Solution-processed and low-temperature multi-junction solar cells basically allow us to fabricate polymer solar cells with a vast number of subcells. Thus, the triple-junction polymer photovoltaic cell still has considerable room for improvement, both in terms of photogenerated current density, circuit voltage, also as efficiency.