Environmental Engineering Reference
In-Depth Information
Figure 9.4a
An idealised design of the multi-layer graded bandgap solar
cell structure.
Figure 9.4b
The closest sketch of the energy band diagram expected for
the AlGaAs/GaAs solar cell after growth using the metalorganic chemical
vapour deposition (MOVPE)methodand studied in this work.
bandgap solar cell structures [4]. The closest sketch of the energy
band diagram of this device structure after fabrication is given in
Fig.9.4(b),andthetotalthicknessofthesolarcellstructureisabout
3
μ
m[5,6].Thelab-scaledeviceswereprocessedasdescribedinthe
2006publication[5]andinchapters6and7.Thedeviceareasofthe
