Application of CdSe/ZnSe/ZnS Quantum Dots in Monocrystalline Silicon Solar Cells

YAN Xing-mao; WANG Qing-kang

doi:10.3788/fgxb20133410.1358

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Application of CdSe/ZnSe/ZnS Quantum Dots in Monocrystalline Silicon Solar Cells

更新时间：2020-08-12

- Application of CdSe/ZnSe/ZnS Quantum Dots in Monocrystalline Silicon Solar Cells
- Chinese Journal of Luminescence Vol. 34, Issue 10, Pages: 1358-1361(2013)
- 作者机构：
  
  上海交通大学薄膜与微细技术教育部重点实验室微纳科学技术研究院上海,200240
- 作者简介：
- 基金信息：
  
  863"
- DOI：10.3788/fgxb20133410.1358
  CLC： O482.31
- Received：04 June 2013，
  
  Revised：24 June 2013，
  
  Published：10 October 2013
- 稿件说明：
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严兴茂, 王庆康. CdSe/ZnSe/ZnS量子点在单晶太阳能电池中的应用[J]. 发光学报, 2013,34(10): 1358-1361

YAN Xing-mao, WANG Qing-kang. Application of CdSe/ZnSe/ZnS Quantum Dots in Monocrystalline Silicon Solar Cells[J]. Chinese Journal of Luminescence, 2013,34(10): 1358-1361
严兴茂, 王庆康. CdSe/ZnSe/ZnS量子点在单晶太阳能电池中的应用[J]. 发光学报, 2013,34(10): 1358-1361 DOI： 10.3788/fgxb20133410.1358.

YAN Xing-mao, WANG Qing-kang. Application of CdSe/ZnSe/ZnS Quantum Dots in Monocrystalline Silicon Solar Cells[J]. Chinese Journal of Luminescence, 2013,34(10): 1358-1361 DOI： 10.3788/fgxb20133410.1358.

摘要

将CdSe/ZnSe/ZnS量子点掺入到聚甲基丙烯酸甲酯(PMMA)中

研究了量子点的发光下转移特性。将420 nm长波滤光片盖在单晶电池上

使电池对300~420 nm波段光谱响应几乎为零

同时排除下转移层抗反射效应的影响

再在滤光片表面制备下转移层

观察到了外量子效率(EQE)值的提升

说明所用量子点可以应用于对300~420 nm波段光谱响应几乎为零的电池上实现频率的下转移

提高EQE。对量子点在太阳能电池中应用的可能性进行了分析

并根据本实验中测得电池的EQE数据

计算了该电池获得提升所需量子点最低的整体荧光量子效率值为87.8%。

Abstract

The luminescent down-shifting characteristics of CdSe/ZnSe/ZnS core/shell/shell quantum dots (QDs) were studied by incorporating the QDs as the down-shifting luminescent material into polymethyl-methacrylate (PMMA). Firstly

the optical high-pass filter with threshold 420 nm was used to cover the solar cell

so as to make the spectral response of the cell almost zero in the waveband range of 300~420 nm. Then the luminescent down-shifting (LD) layer of QDs was prepared on the external surface of the optical filters

we found the external quantum efficiency (EQE) of solar cell improved. This indicates that LD layer can realize the down-shifting of frequency spectra at 300~420 nm

which is out of the spectral response region of the normal cell. Finally

in order to analyze the possibility of applying quantum dots to solar cells

the minimum fluorescence quantum efficiency (FQE) of the quantum dots was calculated to be 87.8% according to the measured EQE of solar cell.

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references

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