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See detailTime-resolved photoluminescence on double graded Cu(In,Ga)Se2 – Impact of front surface recombination and its temperature dependence
Weiss, Thomas UL; Carron, Romain; Wolter, Max UL et al

in Science and Technology of Advanced Materials (2019), 20

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See detailPost-deposition treatment of Cu2ZnSnSe4 with alkalis
Rey, Germain UL; Babbe, Finn UL; Weiss, Thomas UL et al

in Thin Solid Films (2016), 633

Low temperature post-deposition treatment of Cu2ZnSnSe4 with NaF and KF significantly improved the solar cell efficiency (from 6.4% to 7.8% and 7.7% on average, respectively) due to enhanced fill factor ... [more ▼]

Low temperature post-deposition treatment of Cu2ZnSnSe4 with NaF and KF significantly improved the solar cell efficiency (from 6.4% to 7.8% and 7.7% on average, respectively) due to enhanced fill factor (from 0.58 to 0.61 and 0.62), open-circuit voltage (Voc) (from 314 mV to 337 mV and 325 mV) and short-circuit current density (from 35.3 mA⋅cm −2 to 38.3 mA⋅cm −2 and 38.6 mA⋅cm −2). Voc improvement was higher for solar cells with NaF treatment due to an increase in radiative efficiency at room temperature and shallower defect activation energy as determined by photoluminescence (PL) and temperature dependent admittance spectroscopy, respectively. In the case of KF treatment, red-shift of the PL, higher band tail density of state and donor activation energy deeper in the band gap were limiting further improvement of the Voc compared to NaF treatment. [less ▲]

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See detailImpact of annealing on electrical properties of Cu2ZnSnSe4 absorber layers
Weiss, Thomas UL; Redinger, Alex UL; Rey, Germain UL et al

in Journal of Applied Physics (2016), 120

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See detailOrdering kesterite improves solar cells:A low temperature post-deposition annealing study
Rey, Germain UL; Weiss, Thomas UL; Sendler, Jan UL et al

in Solar Energy Materials & Solar Cells (2016), 151

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See detailWhat is the band gap of kesterite?
Siebentritt, Susanne UL; Rey, Germain UL; Finger, Ashley UL et al

in Solar Energy Materials & Solar Cells (2015)

Detailed reference viewed: 173 (6 UL)