Passivation of the grain boundaries of CH3NH3PbI3 using carbon quantum dots for highly efficient perovskite solar cells with excellent environmental stability

Nanoscale ◽  
2019 ◽  
Vol 11 (1) ◽  
pp. 115-124 ◽  
Author(s):  
Qiang Guo ◽  
Fanglong Yuan ◽  
Bing Zhang ◽  
Shijie Zhou ◽  
Jin Zhang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Solar Cells ◽  
Quantum Dot ◽  
Grain Boundaries ◽  
Perovskite Solar Cells ◽  
Carbon Quantum Dots ◽  
Environmental Stability ◽  
Carbon Quantum Dot ◽  
Highly Efficient

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

scholarly journals All-inorganic quantum dot assisted enhanced charge extraction across the interfaces of bulk organo-halide perovskites for efficient and stable pin-hole free perovskite solar cells

2019 ◽  
Vol 10 (41) ◽  
pp. 9530-9541 ◽  
Author(s):  
Dibyendu Ghosh ◽  
Dhirendra K. Chaudhary ◽  
Md. Yusuf Ali ◽  
Kamlesh Kumar Chauhan ◽  
Sayan Prodhan ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Solar Cells ◽  
Quantum Dot ◽  
Grain Boundaries ◽  
Surface Engineering ◽  
Perovskite Solar Cells ◽  
Inorganic Perovskite ◽  
Perovskite Quantum Dots ◽  
Halide Perovskites ◽  
Trapping Sites

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.

Carbon quantum dot-sensitized hollow TiO2 spheres for high-performance visible light photocatalysis

2021 ◽  
Author(s):  
Xianfeng Zhang ◽  
Zongqun Li ◽  
Shaowen Xu ◽  
Yaowen Ruan
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Visible Light ◽  
Photocatalytic Degradation ◽  
High Performance ◽  
Carbon Quantum Dots ◽  
Visible Light Photocatalysis ◽  
Carbon Quantum Dot ◽  
Visible Light Photocatalytic

TiO2/CQD composites were synthesized through carbon quantum dots covalently attached to the surface of hollow TiO2 spheres for visible light photocatalytic degradation of organics.

Defect passivation grain boundaries using 3-aminopropyltrimethoxysilane for highly efficient and stable perovskite solar cells

Solar Energy ◽  
2021 ◽  
Vol 224 ◽  
pp. 472-479
Author(s):  
Ronghong Zheng ◽  
Shuangshuang Zhao ◽  
Hua Zhang ◽  
Haoyue Li ◽  
Jia Zhuang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Grain Boundaries ◽  
Perovskite Solar Cells ◽  
Highly Efficient ◽  
Defect Passivation

Black phosphorus quantum dots as dual-functional electron-selective materials for efficient plastic perovskite solar cells

2018 ◽  
Vol 6 (19) ◽  
pp. 8886-8894 ◽  
Author(s):  
Nianqing Fu ◽  
Chun Huang ◽  
Peng Lin ◽  
Mingshan Zhu ◽  
Tao Li ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Solar Cells ◽  
Quantum Dot ◽  
High Efficiency ◽  
Perovskite Solar Cells ◽  
Black Phosphorus ◽  
Selective Layer ◽  
Dual Functional ◽  
Black Phosphorus Quantum Dots ◽  
Electron Extraction

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.

scholarly journals PMMA Thin Film with Embedded Carbon Quantum Dots for Post-Fabrication Improvement of Light Harvesting in Perovskite Solar Cells

Nanomaterials ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 291 ◽  
Author(s):  
Askar A. Maxim ◽  
Shynggys N. Sadyk ◽  
Damir Aidarkhanov ◽  
Charles Surya ◽  
Annie Ng ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Solar Cells ◽  
Fill Factor ◽  
Light Harvesting ◽  
Incident Light ◽  
Perovskite Solar Cells ◽  
Carbon Quantum Dots ◽  
Active Layers ◽  
Before And After ◽  
Down Conversion

Perovskite solar cells (PSCs) with a standard sandwich structure suffer from optical transmission losses due to the substrate and its active layers. Developing strategies for compensating for the losses in light harvesting is of significant importance to achieving a further enhancement in device efficiencies. In this work, the down-conversion effect of carbon quantum dots (CQDs) was employed to convert the UV fraction of the incident light into visible light. For this, thin films of poly(methyl methacrylate) with embedded carbon quantum dots (CQD@PMMA) were deposited on the illumination side of PSCs. Analysis of the device performances before and after application of CQD@PMMA photoactive functional film on PSCs revealed that the devices with the coating showed an improved photocurrent and fill factor, resulting in higher device efficiency.

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 ◽  
...  
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Electron Mobility ◽  
Perovskite Solar Cells ◽  
Carbon Quantum Dot

Fabrication of a highly sensitive electrochemiluminescence chlorpromazine sensor using a Ru(bpy)32+ incorporated carbon quantum dot–gelatin composite film

2017 ◽  
Vol 9 (6) ◽  
pp. 1011-1017 ◽  
Author(s):  
Zhimin Liu ◽  
Fang Zhang ◽  
Lin Cui ◽  
Kang Wang ◽  
Haijun Zhan
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Composite Film ◽  
Carbon Quantum Dots ◽  
Sensitive Detection ◽  
Carbon Quantum Dot ◽  
Sensing Platform ◽  
Highly Sensitive

A novel electrochemiluminescence sensing platform for the sensitive detection of chlorpromazine (CPZ) was fabricated based on a Ru(bpy)32+/carbon quantum dots/gelatin composite film.

Efficient and stable planar perovskite solar cells with carbon quantum dots-doped PCBM electron transport layer

2019 ◽  
Vol 43 (18) ◽  
pp. 7130-7135 ◽  
Author(s):  
Xiaomeng Zhu ◽  
Jing Sun ◽  
Shuai Yuan ◽  
Ning Li ◽  
Zhiwen Qiu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Solar Cells ◽  
Solar Cell ◽  
Electron Transport ◽  
Perovskite Solar Cells ◽  
Carbon Quantum Dots ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Electron Transporting Layer

The solar cell with carbon QDs-doped PCBM as its electron transporting layer shows the highest PCE of 18.1%.

The fabrication of a biomass carbon quantum dot-Bi2WO6 hybrid photocatalyst with high performance for antibiotic degradation

2019 ◽  
Vol 43 (47) ◽  
pp. 18860-18867 ◽  
Author(s):  
Xu Tang ◽  
Yang Yu ◽  
Changchang Ma ◽  
Guosheng Zhou ◽  
Xinlin Liu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Photocatalytic Degradation ◽  
Hydrothermal Method ◽  
High Performance ◽  
Carbon Quantum Dots ◽  
Biomass Carbon ◽  
Carbon Quantum Dot ◽  
Antibiotic Degradation ◽  
Hybrid Photocatalyst

A novel biomass carbon quantum dots@Bi2WO6 photocatalyst was prepared by a dialysis-assisted hydrothermal method for the photocatalytic degradation of antibiotics.

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