Red‐Carbon‐Quantum‐Dot‐Doped SnO 2 Composite with Enhanced Electron Mobility for Efficient and Stable Perovskite Solar Cells

2019 ◽  
Vol 32 (4) ◽  
pp. 1906374 ◽  
Author(s):  
Wei Hui ◽  
Yingguo Yang ◽  
Quan Xu ◽  
Hao Gu ◽  
Shanglei Feng ◽  
...  
Research ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Qiang Sun ◽  
Cai Shen ◽  
Deyu Wang ◽  
Tao Zhang ◽  
Huaxia Ban ◽  
...  

This work reports on a compositionally graded heterojunction for photovoltaic application by cooperating fluorine-doped carbon quantum dots (FCQDs in short) into the CsPbI2.5Br0.5 inorganic perovskite layer. Using this CsPbI2.5Br0.5/FCQDs graded heterojunction in conjunction with low-temperature-processed carbon electrode, a power conversion efficiency of 13.53% for 1 cm2 all-inorganic perovskite solar cell can be achieved at AM 1.5G solar irradiation. To the best of our knowledge, this is one of the highest efficiency reported for carbon electrode based all-inorganic perovskite solar cells so far, and the first report of 1 cm2 carbon counter electrode based inorganic perovskite solar cell with PCE exceeding 13%. Moreover, the inorganic perovskite/carbon quantum dot graded heterojunction photovoltaics maintained over 90% of their initial efficiency after thermal aging at 85° for 1056 hours. This conception of constructing inorganic perovskite/FCQDs graded heterojunction offers a feasible pathway to develop efficient and stable photovoltaics for scale-up and practical applications.


2020 ◽  
pp. 157784
Author(s):  
Tingting Xu ◽  
Zhi Wan ◽  
Hebing Tang ◽  
Chenhui Zhao ◽  
Shaoshen Lv ◽  
...  

Nanoscale ◽  
2019 ◽  
Vol 11 (1) ◽  
pp. 115-124 ◽  
Author(s):  
Qiang Guo ◽  
Fanglong Yuan ◽  
Bing Zhang ◽  
Shijie Zhou ◽  
Jin Zhang ◽  
...  

Passivation of the grain boundaries of CH3NH3PbI3 by bonding with a carbon quantum dot additive for efficient perovskite solar cells with excellent environmental stability.


2020 ◽  
Vol 818 ◽  
pp. 152887 ◽  
Author(s):  
Jung Kyu Kim ◽  
Duong Nguyen Nguyen ◽  
Jae-Hoon Lee ◽  
Seunghun Kang ◽  
Yunseok Kim ◽  
...  

2018 ◽  
Vol 6 (19) ◽  
pp. 8886-8894 ◽  
Author(s):  
Nianqing Fu ◽  
Chun Huang ◽  
Peng Lin ◽  
Mingshan Zhu ◽  
Tao Li ◽  
...  

Dual-functional black phosphorus quantum dot electron selective layer was designed for plastic perovskite solar cells. The efficient electron extraction and improved perovskite film quality contributed to the reasonably high efficiency.


2018 ◽  
Vol 30 (14) ◽  
pp. 1706023 ◽  
Author(s):  
Guang Yang ◽  
Cong Chen ◽  
Fang Yao ◽  
Zhiliang Chen ◽  
Qi Zhang ◽  
...  

RSC Advances ◽  
2018 ◽  
Vol 8 (55) ◽  
pp. 31502-31509 ◽  
Author(s):  
Zahra Hosseini ◽  
Teymoor Ghanbari

Optical modeling of a GQD-filled LDS layer on top of a perovskite solar cell (PSC) confirms GQDs as a suitable candidate as a luminescent material for application of the LDS strategy in PSCs.


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