2014 IEEE 40th Photovoltaic Specialist Conference (PVSC) 2014
DOI: 10.1109/pvsc.2014.6925685
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Electric field effect on carrier escape from InAs/GaAs quantum dots solar cells

Abstract: The effects of electric field on carrier escape in InAs/GaAs quantum dots embedded in p-i-n solar cell structures have been studied by quantum efficiency. Via band structure simulation, effective barrier height of carriers inside QDs is reduced with increasing local electric field, so tunneling and thermal escape are enhanced. At 300K, when electric field intensity is below 40kV/cm, thermal escape is dominant in all confined state in QDs; when electric field intensity is above 40kV/cm, tunneling is dominant in… Show more

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Cited by 3 publications
(2 citation statements)
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“…Considering Eq. (11) and the investigation of the n and k coefficients in AlGaInP semiconductor from reference [28], it can be concluded that by inserting an AlGaInP semiconductor as EBL and HBL, the photogeneration rate will increase. Fig.…”
Section: Photogeneration Ratementioning
confidence: 99%
See 1 more Smart Citation
“…Considering Eq. (11) and the investigation of the n and k coefficients in AlGaInP semiconductor from reference [28], it can be concluded that by inserting an AlGaInP semiconductor as EBL and HBL, the photogeneration rate will increase. Fig.…”
Section: Photogeneration Ratementioning
confidence: 99%
“…In 2013, Xiaoguang et al achieved 17% efficiency by investigating the effects of Si-doping on InAs/GaAs quantum dots [10]. The effect of electric field on different layers of InAs/GaAs quantum dots was investigated by Yushuai et al in 2014 [11]. In 2015, Inigo et al designed the InAs/InGaP Quantum-Dot cell [12].…”
Section: Introductionmentioning
confidence: 99%