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Chin. Phys. B, 2022, Vol. 31(12): 128802    DOI: 10.1088/1674-1056/ac89e8

Nano Ag-enhanced photoelectric conversion efficiency in all-inorganic, hole-transporting-layer-free CsPbIBr2 perovskite solar cells

Youming Huang(黄友铭)1, Yizhi Wu(吴以治)1,†, Xiaoliang Xu(许小亮)2, Feifei Qin(秦飞飞)3, Shihan Zhang(张诗涵)1, Jiakai An(安嘉凯)1, Huijie Wang(王会杰)4, and Ling Liu(刘玲)1
1 Tiangong University, Tianjin 300387, China;
2 University of Science and Technology of China, Hefei 230026, China;
3 Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
4 Shanxi Normal University, Shanxi 041004, China
Abstract  All-inorganic, hole-transporting-layer-free CsPbIBr2 perovskite solar cells have great potential for development, but their device performance needs to be further improved. Recently, metal nanostructures have been successfully applied in the field of solar cells to improve their performance. Nano Ag-enhanced power conversion efficiency (PCE) in one CsPbIBr2 perovskite solar cell utilizing localized surface plasmons of Ag nanoparticles (NPs) on the surface has been researched experimentally and by simulation in this paper. The localized surface plasmon resonance of Ag NPs has a near-field enhancement effect, which is expected to improve the light absorption of CsPbIBr2 perovskite photovoltaic devices. In addition, Ag NPs have a forward-scattering effect on the incident light, which can also improve the performance of CsPbIBr2-based perovskite photovoltaic devices. By directly assembling Ag NPs (with a size of about 150 nm) on the surface of fluorine-doped tin oxide it is found when the particle surface coverage is 10%, the CsPbIBr2 perovskite photovoltaic device achieves a best PCE of 2.7%, which is 9.76% higher than that of the control group. Without changing any existing structure in the ready-made solar cell, this facile and efficient method has huge applications. To the best of our knowledge, this paper is the first report on nano Ag-enhanced photoelectric conversion efficiency in this kind of CsPbIBr2 perovskite solar cell.
Keywords:  Ag nanoparticles      local surface plasmons      perovskite solar cells based on CsPbIBr2  
Received:  22 May 2022      Revised:  05 August 2022      Accepted manuscript online:  16 August 2022
PACS:  88.40.H- (Solar cells (photovoltaics))  
  42.70.Nq (Other nonlinear optical materials; photorefractive and semiconductor materials)  
  73.20.Mf (Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))  
  78.56.-a (Photoconduction and photovoltaic effects)  
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11504264, 21802092, 51501128, 52072005, and 51872279) and the Scientific Research Plan Project of Tianjin Municipal Education Commission (Grant No. 2017KJ097).
Corresponding Authors:  Yizhi Wu     E-mail:

Cite this article: 

Youming Huang(黄友铭), Yizhi Wu(吴以治), Xiaoliang Xu(许小亮), Feifei Qin(秦飞飞), Shihan Zhang(张诗涵), Jiakai An(安嘉凯), Huijie Wang(王会杰), and Ling Liu(刘玲) Nano Ag-enhanced photoelectric conversion efficiency in all-inorganic, hole-transporting-layer-free CsPbIBr2 perovskite solar cells 2022 Chin. Phys. B 31 128802

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