Surface Matrix Curing of Inorganic CsPbI3 Perovskite Quantum Dots for Solar Cells with Efficiency over 16%

Author(s):  
Donglin Jia ◽  
Jingxuan Chen ◽  
Xinyi Mei ◽  
Wentao Fan ◽  
Shuo Luo ◽  
...  

Inorganic CsPbI3 perovskite quantum dot (PQD) shows a high potential for photovoltaic applications. However, the surface matrix of the PQDs significantly suffers from deterioration during the purification process with antisolvent,...

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Long Hu ◽  
Qian Zhao ◽  
Shujuan Huang ◽  
Jianghui Zheng ◽  
Xinwei Guan ◽  
...  

AbstractAll-inorganic CsPbI3 perovskite quantum dots have received substantial research interest for photovoltaic applications because of higher efficiency compared to solar cells using other quantum dots materials and the various exciting properties that perovskites have to offer. These quantum dot devices also exhibit good mechanical stability amongst various thin-film photovoltaic technologies. We demonstrate higher mechanical endurance of quantum dot films compared to bulk thin film and highlight the importance of further research on high-performance and flexible optoelectronic devices using nanoscale grains as an advantage. Specifically, we develop a hybrid interfacial architecture consisting of CsPbI3 quantum dot/PCBM heterojunction, enabling an energy cascade for efficient charge transfer and mechanical adhesion. The champion CsPbI3 quantum dot solar cell has an efficiency of 15.1% (stabilized power output of 14.61%), which is among the highest report to date. Building on this strategy, we further demonstrate a highest efficiency of 12.3% in flexible quantum dot photovoltaics.


2019 ◽  
Vol 10 (41) ◽  
pp. 9530-9541 ◽  
Author(s):  
Dibyendu Ghosh ◽  
Dhirendra K. Chaudhary ◽  
Md. Yusuf Ali ◽  
Kamlesh Kumar Chauhan ◽  
Sayan Prodhan ◽  
...  

Grain boundaries in bulk perovskite films are considered as giant trapping sites for photo-generated carriers. Surface engineering via inorganic perovskite quantum dots has been employed for creating monolithically grained, pin-hole free perovskite films.


ChemSusChem ◽  
2019 ◽  
Vol 12 (21) ◽  
pp. 4724-4753 ◽  
Author(s):  
Jasmin S. Shaikh ◽  
Navajsharif S. Shaikh ◽  
Sawanta S. Mali ◽  
Jyoti V. Patil ◽  
Sonali A. Beknalkar ◽  
...  

2015 ◽  
Vol 3 (37) ◽  
pp. 19050-19060 ◽  
Author(s):  
Dmitry Aldakov ◽  
Muhammad T. Sajjad ◽  
Valentina Ivanova ◽  
Ashu K. Bansal ◽  
Jinhyung Park ◽  
...  

New mercaptophosphonic linkers are presented for the attachment of ternary quantum dots to ZnO and TiO2 for photovoltaic applications.


2013 ◽  
Vol 873 ◽  
pp. 556-561
Author(s):  
Jian Jun Tian

CdS/CdSe quantum dots co-sensitized solar cells (QDSCs) were prepared by combining the successive ion layer absorption and reaction (SILAR) method and chemical bath deposition (CBD) method for the fabrication of CdS and CdSe quantum dots, respectively. In this work, we designed anisotropic nanostructure ZnO photoelectrodes, such as nanorods/nanosheets and nanorods array, for CdS/CdSe quantum dots co-sensitized solar cells. Our study revealed that the performance of QDSCs could be improved by modifying surface of ZnO to increase the loading of quantum dots and reduce the charge recombination.


2019 ◽  
Vol 125 (8) ◽  
Author(s):  
Ha Thanh Tung ◽  
Doan Van Thuan ◽  
Jun Hieng Kiat ◽  
Dang Huu Phuc

2017 ◽  
Vol 9 (27) ◽  
pp. 22549-22559 ◽  
Author(s):  
Wenran Wang ◽  
Guocan Jiang ◽  
Juan Yu ◽  
Wei Wang ◽  
Zhenxiao Pan ◽  
...  

2012 ◽  
pp. 297-316
Author(s):  
Kimberly A. Sablon ◽  
V. Mitin ◽  
J. W. Little ◽  
A. Sergeev ◽  
N. Vagidov

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