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Solar energy converters based on multi-junction photoemission solar cells. / Tereshchenko, O. E.; Golyashov, V. A.; Rodionov, A. A. et al.

In: Scientific Reports, Vol. 7, No. 1, 16154, 23.11.2017.

Research output: Contribution to journalArticlepeer-review

Harvard

Tereshchenko, OE, Golyashov, VA, Rodionov, AA, Chistokhin, IB, Kislykh, NV, Mironov, AV & Aksenov, VV 2017, 'Solar energy converters based on multi-junction photoemission solar cells', Scientific Reports, vol. 7, no. 1, 16154. https://doi.org/10.1038/s41598-017-16455-6

APA

Tereshchenko, O. E., Golyashov, V. A., Rodionov, A. A., Chistokhin, I. B., Kislykh, N. V., Mironov, A. V., & Aksenov, V. V. (2017). Solar energy converters based on multi-junction photoemission solar cells. Scientific Reports, 7(1), [16154]. https://doi.org/10.1038/s41598-017-16455-6

Vancouver

Tereshchenko OE, Golyashov VA, Rodionov AA, Chistokhin IB, Kislykh NV, Mironov AV et al. Solar energy converters based on multi-junction photoemission solar cells. Scientific Reports. 2017 Nov 23;7(1):16154. doi: 10.1038/s41598-017-16455-6

Author

Tereshchenko, O. E. ; Golyashov, V. A. ; Rodionov, A. A. et al. / Solar energy converters based on multi-junction photoemission solar cells. In: Scientific Reports. 2017 ; Vol. 7, No. 1.

BibTeX

@article{ad2699be063d4afeac380957e863c9b0,
title = "Solar energy converters based on multi-junction photoemission solar cells",
abstract = "Multi-junction solar cells with multiple p-n junctions made of different semiconductor materials have multiple bandgaps that allow reducing the relaxation energy loss and substantially increase the power-conversion efficiency. The choice of materials for each sub-cell is very limited due to the difficulties in extracting the current between the layers caused by the requirements for lattice- and current-matching. We propose a new vacuum multi-junction solar cell with multiple p-n junctions separated by vacuum gaps that allow using different semiconductor materials as cathode and anode, both activated to the state of effective negative electron affinity (NEA). In this work, the compact proximity focused vacuum tube with the GaAs(Cs,O) photocathode and AlGaAs/GaAs-(Cs,O) anode with GaAs quantum wells (QWs) is used as a prototype of a vacuum single-junction solar cell. The photodiode with the p-AlGaAs/GaAs anode showed the spectral power-conversion efficiency of about 1% at V bias = 0 in transmission and reflection modes, while, at V bias = 0.5 V, the efficiency increased up to 10%. In terms of energy conservation, we found the condition at which the energy cathode-to-anode transition was close to 1. Considering only the energy conservation part, the NEA-cell power-conversion efficiency can rich a quantum yield value which is measured up to more than 50%.",
keywords = "EFFICIENCY, ENHANCED THERMIONIC EMISSION, GAAS(100) SURFACES",
author = "Tereshchenko, {O. E.} and Golyashov, {V. A.} and Rodionov, {A. A.} and Chistokhin, {I. B.} and Kislykh, {N. V.} and Mironov, {A. V.} and Aksenov, {V. V.}",
year = "2017",
month = nov,
day = "23",
doi = "10.1038/s41598-017-16455-6",
language = "English",
volume = "7",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Publishing Group",
number = "1",

}

RIS

TY - JOUR

T1 - Solar energy converters based on multi-junction photoemission solar cells

AU - Tereshchenko, O. E.

AU - Golyashov, V. A.

AU - Rodionov, A. A.

AU - Chistokhin, I. B.

AU - Kislykh, N. V.

AU - Mironov, A. V.

AU - Aksenov, V. V.

PY - 2017/11/23

Y1 - 2017/11/23

N2 - Multi-junction solar cells with multiple p-n junctions made of different semiconductor materials have multiple bandgaps that allow reducing the relaxation energy loss and substantially increase the power-conversion efficiency. The choice of materials for each sub-cell is very limited due to the difficulties in extracting the current between the layers caused by the requirements for lattice- and current-matching. We propose a new vacuum multi-junction solar cell with multiple p-n junctions separated by vacuum gaps that allow using different semiconductor materials as cathode and anode, both activated to the state of effective negative electron affinity (NEA). In this work, the compact proximity focused vacuum tube with the GaAs(Cs,O) photocathode and AlGaAs/GaAs-(Cs,O) anode with GaAs quantum wells (QWs) is used as a prototype of a vacuum single-junction solar cell. The photodiode with the p-AlGaAs/GaAs anode showed the spectral power-conversion efficiency of about 1% at V bias = 0 in transmission and reflection modes, while, at V bias = 0.5 V, the efficiency increased up to 10%. In terms of energy conservation, we found the condition at which the energy cathode-to-anode transition was close to 1. Considering only the energy conservation part, the NEA-cell power-conversion efficiency can rich a quantum yield value which is measured up to more than 50%.

AB - Multi-junction solar cells with multiple p-n junctions made of different semiconductor materials have multiple bandgaps that allow reducing the relaxation energy loss and substantially increase the power-conversion efficiency. The choice of materials for each sub-cell is very limited due to the difficulties in extracting the current between the layers caused by the requirements for lattice- and current-matching. We propose a new vacuum multi-junction solar cell with multiple p-n junctions separated by vacuum gaps that allow using different semiconductor materials as cathode and anode, both activated to the state of effective negative electron affinity (NEA). In this work, the compact proximity focused vacuum tube with the GaAs(Cs,O) photocathode and AlGaAs/GaAs-(Cs,O) anode with GaAs quantum wells (QWs) is used as a prototype of a vacuum single-junction solar cell. The photodiode with the p-AlGaAs/GaAs anode showed the spectral power-conversion efficiency of about 1% at V bias = 0 in transmission and reflection modes, while, at V bias = 0.5 V, the efficiency increased up to 10%. In terms of energy conservation, we found the condition at which the energy cathode-to-anode transition was close to 1. Considering only the energy conservation part, the NEA-cell power-conversion efficiency can rich a quantum yield value which is measured up to more than 50%.

KW - EFFICIENCY

KW - ENHANCED THERMIONIC EMISSION

KW - GAAS(100) SURFACES

UR - http://www.scopus.com/inward/record.url?scp=85034826069&partnerID=8YFLogxK

U2 - 10.1038/s41598-017-16455-6

DO - 10.1038/s41598-017-16455-6

M3 - Article

C2 - 29170438

AN - SCOPUS:85034826069

VL - 7

JO - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

IS - 1

M1 - 16154

ER -

ID: 9409205