Observation of reduced radiative recombination in low-well-number strain-balanced quantum well solar cells

A. Bessiere; J. P. Connolly; K. W. J. Barnham; M. F. Fuehrer; M. Lynch; I. M. Ballard; M. Mazzer; D. C. Johnson; G. Hill; J. S. Roberts

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Observation of reduced radiative recombination in low-well-number strain-balanced quantum well solar cells

机译：低阱数应变平衡量子阱太阳能电池辐射复合降低的观察

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Absolute electroluminescence and photoluminescence measurements were carried out on strain-balanced quantum well solar cells. Over a range of bias, a reduced radiative recombination in the wells was observed compared to a model assuming a constant quasi-Fermi level separation (QFLS) over the device thickness. This was interpreted as a QFLS suppression in the wells relative to the bulk of 18 and 5 meV, respectively, for the single and five well strain-balanced quantum well solar cells, consistent with previous results on strained single quantum well and double quantum well devices. The photoluminescence spectra at open-circuit voltage under illumination in the well agreed with the electroluminescence spectra in the light in contrast to some theoretical predictions. Generation of hot carriers in the wells could be the thermodynamically compensating phenomenon for the QFLS reduction.

机译：在应变平衡量子阱太阳能电池上进行了绝对电致发光和光致发光测量。在一定范围的偏压下，与假设器件厚度上恒定的准费米能级分离（QFLS）的模型相比，观察到的孔内辐射复合减少。对于单阱和五阱应变平衡量子阱太阳能电池，这被解释为相对于18和5 meV的体积，在阱中的QFLS抑制，与先前在应变单量子阱和双量子阱器件上的结果一致。与一些理论预测相反，在井中照明下开路电压下的光致发光光谱与光中的电致发光光谱一致。井中热载流子的产生可能是QFLS降低的热力学补偿现象。

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来源
《Journal of Applied Physics》 |2010年第4期|044502.1-044502.4|共4页
作者
A. Bessiere; J. P. Connolly; K. W. J. Barnham; M. F. Fuehrer; M. Lynch; I. M. Ballard; M. Mazzer; D. C. Johnson; G. Hill; J. S. Roberts;
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作者单位

Laboratoire de Chimie de la Matiere Condensee de Paris, Chimie ParisTech, UMR-CNRS 7574,11 rue Pierre et Marie Curie, 75231 Paris Cedex 05, France;

Nanophotonics Technology Center, Universidad Politecnica de Valencia, 46022 Valencia, Spain;

Imperial College London, Blacken Laboratory, Prince Consort Road, London SW7 2BW, United Kingdom;

Imperial College London, Blacken Laboratory, Prince Consort Road, London SW7 2BW, United Kingdom;

Imperial College London, Blacken Laboratory, Prince Consort Road, London SW7 2BW, United Kingdom;

Imperial College London, Blacken Laboratory, Prince Consort Road, London SW7 2BW, United Kingdom;

Imperial College London, Blacken Laboratory, Prince Consort Road, London SW7 2BW, United Kingdom;

Imperial College London, Blacken Laboratory, Prince Consort Road, London SW7 2BW, United Kingdom;

Department of Electrical Engineering, University of Sheffield, Mappin Street, Sheffield S1 3JD,United Kingdom;

Department of Electrical Engineering, University of Sheffield, Mappin Street, Sheffield S1 3JD,United Kingdom;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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1. Observation of reduced radiative recombination in low-well-number strain-balanced quantum well solar cells [J] . Journal of Applied Physics . 2010,第4期

机译：低阱数应变平衡量子阱太阳能电池辐射复合降低的观察
2. Effect of number of stack on the thermal escape and non-radiative and radiative recombinations of photoexcited carriers in strain-balanced InGaAs/GaAsP multiple quantum-well-inserted solar cells [J] . Taketo Aihara, Atsuhiko Fukuyama, Hidetoshi Suzuki, Journal of Applied Physics . 2015,第8期

机译：堆叠数量对应变平衡InGaAs / GaAsP多量子阱插入太阳能电池中光激发载流子的热逃逸以及非辐射和辐射复合的影响
3. Effect of internal electric field on non- radiative carrier recombination in the strain-balanced InGaAs/GaAsP multiple quantum well solar cells [J] . Atsuhiko Fukuyama, Taketo Aihara, Yuki Yokoyama, Physica status solidi . 2014,第2期

机译：内部电场对应变平衡InGaAs / GaAsP多量子阱太阳能电池中非辐射载流子复合的影响
4. RADIATIVE RECOMBINATION IN STRAIN-BALANCED QUANTUM WELL SOLAR CELLS [C] . A. Bessiere, J. P. Connolly, K. W. J. Barnham, IEEE Photovoltaic Specialists Conference . 2005

机译：应变平衡量子井太阳能电池中的辐射重组
5. (Indium,gallium)arsenide quantum dot materials for solar cell applications: Effect of strain-reducing and strain-compensated barriers on quantum dot structural and optical properties [D] . Pancholi, Anup 2008

机译：用于太阳能电池的（铟，镓）砷化物量子点材料：应变降低和应变补偿势垒对量子点结构和光学性质的影响
6. Reduced Carrier Recombination in PbS - CuInS2 Quantum Dot Solar Cells [O] . Zhenhua Sun, Gary Sitbon, Thomas Pons, -1

机译：减少PbS-CuInS2量子点太阳能电池中的载流子复合
7. A new approach to determine radiative recombination lifetime in quantum well solar cells [O] . Zahedi, Ahmad, Rault, Francis 2004

机译：确定量子阱太阳能电池辐射复合寿命的新方法
8. Back surface cell structures for reducing recombination in CZ silicon solar cells [R] . King, R. R., Mitchell, K. W., Gee, J. M. 1994

机译：背表面单元结构用于减少CZ硅太阳能电池中的复合

Observation of reduced radiative recombination in low-well-number strain-balanced quantum well solar cells

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