Asymmetric Isomer Effects in Benzo[ c  ][1,2,5]thiadiazole‐Fused Nonacyclic Acceptors: Dielectric Constant and Molecular Crystallinity Control for Significantly Photovoltaic Performance Enhancement

2021 ◽  
pp. 2104369
Author(s):  
Wei Gao ◽  
Baobing Fan ◽  
Feng Qi ◽  
Francis Lin ◽  
Rui Sun ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Performance Enhancement ◽  
Photovoltaic Performance

Charge generation performance enhancement by size-dependent Cu2GeSe3quantum dot-sensitized solar cells

2019 ◽  
Vol 12 (01) ◽  
pp. 1850090
Author(s):  
Zhou Liu ◽  
Zhuoyin Peng ◽  
Jianlin Chen ◽  
Wei Li ◽  
Jian Chen ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Solar Cells ◽  
Quantum Dot ◽  
Conversion Efficiency ◽  
Performance Enhancement ◽  
Photovoltaic Performance ◽  
Charge Generation ◽  
Transfer Property ◽  
Photon Conversion ◽  
Sensitized Solar Cells

Cu2GeSe3 quantum dot is introduced to instead of non-toxic CuInSe2 as a sensitizer for solar cells, which is employed to enhance the photovoltaic performance. Cu2GeSe3 quantum dots with various sizes are prepared by thermolysis process, which are employed for the fabrication of quantum dot-sensitized solar cells (QDSSC) according to assembly linking process. The optical absorption properties of the Cu2GeSe3 quantum dot-sensitized photo-electrodes have been obviously enhanced by the size optimization of quantum dots, which are better than that of CuInSe2-based photo-electrodes. Due to the balance on the deposition quantity and charge transfer property of the quantum dots, 3.9[Formula: see text]nm-sized Cu2GeSe3 QDSSC exhibits the highest current density value and incident photon conversion efficiency response, which result in a higher photovoltaic conversion efficiency than that of CuInSe2 QDSSC. The modulation of Cu2GeSe3 QDs will further improve the performance of photovoltaic devices.

A stoichiometric CdS interlayer for the photovoltaic performance enhancement of quantum-dot sensitized solar cells

2019 ◽  
Vol 21 (7) ◽  
pp. 3970-3975 ◽  
Author(s):  
Shixin Chen ◽  
Yinglin Wang ◽  
Shuang Lu ◽  
Yichun Liu ◽  
Xintong Zhang
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Performance Enhancement ◽  
Sol Gel ◽  
Photovoltaic Performance ◽  
Stoichiometric Ratio ◽  
Gel Method ◽  
Sol Gel Method ◽  
Sensitized Solar Cells

We employed a sol–gel method to prepare a CdS interlayer (CdS-SG) with a stoichiometric ratio and then fabricated QDSCs.

scholarly journals Photovoltaic Performance Enhancement of Silicon Solar Cells Based on Combined Ratios of Three Species of Europium-Doped Phosphors

Materials ◽  
2018 ◽  
Vol 11 (5) ◽  
pp. 845 ◽  
Author(s):  
Wen-Jeng Ho ◽  
Bang-Jin You ◽  
Jheng-Jie Liu ◽  
Wen-Bin Bai ◽  
Hong-Jhang Syu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Performance Enhancement ◽  
Photovoltaic Performance ◽  
Silicon Solar Cells

Photovoltaic performance enhancement using fluorene-based copolymers containing pyrene units

2013 ◽  
Vol 51 (7) ◽  
pp. 1512-1519 ◽  
Author(s):  
Chang Eun Song ◽  
In-Nam Kang ◽  
Ji-Hoon Kim ◽  
Do-Hoon Hwang ◽  
Jong-Cheol Lee ◽  
...  
Keyword(s):  
Performance Enhancement ◽  
Photovoltaic Performance

Unveiling Photovoltaic Performance Enhancement Mechanism of Polymer Solar Cells via Synergistic Effect of Binary Solvent Additives

Solar RRL ◽  
2020 ◽  
Vol 4 (10) ◽  
pp. 2000239
Author(s):  
Pandeng Li ◽  
Yuliang Zhang ◽  
Ting Yu ◽  
Qingzhe Zhang ◽  
Jean-Philippe Masse ◽  
...  
Keyword(s):  
Solar Cells ◽  
Synergistic Effect ◽  
Performance Enhancement ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Binary Solvent ◽  
Enhancement Mechanism

Quasi-Solid State DSSC Performance Enhancement by Bilayer Mesoporous TiO2 Structure Modification

2013 ◽  
Vol 789 ◽  
pp. 93-96 ◽  
Author(s):  
Ruri A. Wahyuono ◽  
D.D. Risanti
Keyword(s):  
Solid State ◽  
Surface Area ◽  
Pore Volume ◽  
High Efficiency ◽  
Performance Enhancement ◽  
Photovoltaic Performance ◽  
Dye Sensitized Solar Cells ◽  
Rutile Structure ◽  
Conversion Efficiencies ◽  
Sensitized Solar Cells

Quasi-solid state dye-sensitized solar cells (DSSC) having bilayer structure were made by using nanocrystalline anatase-rutile TiO2to enhance the photovoltaic performance. The bilayer structures were coated to FTO glass using doctor blade technique with total active area of 0.4 cm2. Cyanidin dye extracted from mangosteen pericarp was used as photosensitizer. Bilayer anatase-anatase was formed with surface area of 99.9 m2/g and pore volume of 0.23 cc/g while anatase-rutile structure has surface area of 103.5 m2/g and pore volume of 0.21 cc/g. Overall energy conversion efficiencies under illumination of 10 mW/cm2of 0.461% and 0.1365% were achieved for DSSC employing anatase-anatase and anatase-rutile TiO2structure, respectively. Both efficiencies were higher than that of monolayer anatase and rutile TiO2structure whose efficiencies in the range of 0.02% to 0.037%. The photocurrent action spectra of bilayer structures performed high efficiency spectrum in the wavelength range of 420 480 nm owing to cyanidin effect of dye.

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