Cu-doped CdS QDs for sensitisation in solar cell

被引：7
|
作者：
Ganguly, Abhigyan [1 ]
Nath, Siddhartha S. [2 ]
Choudhury, Madhuchhanda [1 ]
机构：
[1] Natl Inst Technol, Dept ECE, Silchar 788010, Assam, India
[2] Assam Univ, Cent Instrument Lab, Silchar 788011, Assam, India
来源：
MICRO & NANO LETTERS | 2018年 / 13卷 / 08期
关键词：
current density; cadmium compounds; semiconductor doping; transmission electron microscopy; II-VI semiconductors; X-ray diffraction; scanning electron microscopy; wide band gap semiconductors; nanofabrication; semiconductor thin films; copper; solar cells; semiconductor quantum dots; zinc compounds; ultraviolet spectroscopy; visible spectroscopy; Cu-doped CdS QDs; transmission electron microscopy images; doped QD; copper-doped cadmium sulphide quantum dots; sensitised zinc oxide photoelectrodes; poly-vinyl alcohol capping agent; X-ray diffraction analysis; optical absorption; current density-voltage characteristics; photoconversion efficiency; ultraviolet-visible absorption spectroscopy; CdS:Cu; ZnO; QUANTUM-DOTS;
D O I：
10.1049/mnl.2017.0816
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Copper (Cu)-doped cadmium sulphide (CdS) quantum dots (QDs) sensitised zinc oxide photoelectrodes have been fabricated for a solar cell (SC). For the synthesis of QDs, simple chemical methods have been adapted and the QDs were prepared on poly-vinyl alcohol capping agent. The influences of doping on structural properties of QDs have been studied using X-ray diffraction analysis and transmission electron microscopy images. Ultraviolet-visible absorption spectroscopy reveals an enhanced optical absorption in doped QDs. The photovoltaic performance of the Cu-doped CdS QDs was studied by measuring the current density-voltage (J-V) characteristics of the fabricated SC. An enhanced photo-conversion efficiency was observed in doped CdS QDs compared with the undoped QDs sensitised SC.
引用
收藏
页码：1188 / 1191
页数：4
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