The Effect of Cesium Carbonate Modified Layer on the Performance of Organic Solar Cells

2013 ◽  
Vol 827 ◽  
pp. 250-254
Author(s):  
Jin Min Hu ◽  
Shuang Wei Xie ◽  
Jian Wen ◽  
Xiao Min Liang
Keyword(s):  
Solar Cells ◽  
Organic Solvent ◽  
Organic Solar Cells ◽  
Polymer Solar Cells ◽  
Cesium Carbonate ◽  
Micro Structure ◽  
Higher Temperature ◽  
Modified Layer ◽  
Different Thickness ◽  
Processing Solution

Experiments found that the thickness of the cesium carbonate modified layer of the processing solution will affect the performance of the polymer solar cells. We dissolved cesium carbonate in an organic solvent 2-ethoxyethanol, and prepared cesium carbonate modified layer of different thickness at different rotational speed. When the rotationing speed was at 2000 r/min, the efficiency of the device was preferably 2.28%, which indicated that the thickness prepared at this speed was most advantageous to the enhancement of the performance of the device. In addition, by annealing cesium carbonate modified layer at 130°C and 150°C, we found that the performance degradation of the annealing device at higher temperature was due to the fact that too much of the energy destroyed the micro-structure of the formed active layer.

scholarly journals Fullerene-free polymer solar cells processed from non-halogenated solvents in air with PCE of 4.8%

2017 ◽  
Vol 53 (6) ◽  
pp. 1164-1167 ◽  
Author(s):  
Sergey V. Dayneko ◽  
Arthur D. Hendsbee ◽  
Gregory C. Welch
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Large Scale ◽  
Polymer Solar Cells ◽  
Scale Production ◽  
Large Scale Production ◽  
Halogenated Solvents

Progress towards practical organic solar cells amenable to large scale production is reported.

Characterization of precursor-based ZnO transport layers in inverted polymer solar cells

2014 ◽  
Vol 2 (41) ◽  
pp. 8761-8767 ◽  
Author(s):  
Nadia Grossiord ◽  
Paul de Bruyn ◽  
Date J. D. Moet ◽  
Ronn Andriessen ◽  
Paul W. M. Blom
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Polymer Solar Cells ◽  
Inverted Polymer Solar Cells

Partly crystalline ZnO-based transport layers made from precursor solutions are characterized and used to produce well-performing inverted organic solar cells.

scholarly journals Conducting Polymers for Optoelectronic Devices and Organic Solar Cells: A Review

Polymers ◽  
2020 ◽  
Vol 12 (11) ◽  
pp. 2627 ◽  
Author(s):  
Ary R. Murad ◽  
Ahmed Iraqi ◽  
Shujahadeen B. Aziz ◽  
Sozan N. Abdullah ◽  
Mohamad A. Brza
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Conjugated Polymers ◽  
Molecular Orbital ◽  
Organic Solar Cells ◽  
Field Effect Transistors ◽  
Bulk Heterojunction ◽  
Polymer Solar Cells ◽  
Single Layer ◽  
Organic Polymer

In this review paper, we present a comprehensive summary of the different organic solar cell (OSC) families. Pure and doped conjugated polymers are described. The band structure, electronic properties, and charge separation process in conjugated polymers are briefly described. Various techniques for the preparation of conjugated polymers are presented in detail. The applications of conductive polymers for organic light emitting diodes (OLEDs), organic field effect transistors (OFETs), and organic photovoltaics (OPVs) are explained thoroughly. The architecture of organic polymer solar cells including single layer, bilayer planar heterojunction, and bulk heterojunction (BHJ) are described. Moreover, designing conjugated polymers for photovoltaic applications and optimizations of highest occupied molecular orbital (HOMO)–lowest unoccupied molecular orbital (LUMO) energy levels are discussed. Principles of bulk heterojunction polymer solar cells are addressed. Finally, strategies for band gap tuning and characteristics of solar cell are presented. In this article, several processing parameters such as the choice of solvent(s) for spin casting film, thermal and solvent annealing, solvent additive, and blend composition that affect the nano-morphology of the photoactive layer are reviewed.

A bromine and chlorine concurrently functionalized end group for benzo[1,2-b:4,5-b′]diselenophene-based non-fluorinated acceptors: a new hybrid strategy to balance the crystallinity and miscibility of blend films for enabling highly efficient polymer solar cells

2020 ◽  
Vol 8 (9) ◽  
pp. 4856-4867 ◽  
Author(s):  
Shi-Sheng Wan ◽  
Xiaopeng Xu ◽  
Zhao Jiang ◽  
Jian Yuan ◽  
Asif Mahmood ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Polymer Solar Cells ◽  
Hybrid Strategy ◽  
Blend Films ◽  
Highly Efficient ◽  
End Group

The hybrid IC functionalized BDSe-2(BrCl):PM7-based PSCs exhibit the impressive PCE of 14.54%, which is the highest value in hybrid IC-functionalized acceptor-based binary organic solar cells.

A 9,9′-spirobi[9H-fluorene]-cored perylenediimide derivative and its application in organic solar cells as a non-fullerene acceptor

2016 ◽  
Vol 52 (8) ◽  
pp. 1649-1652 ◽  
Author(s):  
Jinduo Yi ◽  
Yiling Wang ◽  
Qun Luo ◽  
Yi Lin ◽  
Hongwei Tan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Organic Solar Cells ◽  
Light Absorption ◽  
Polymer Solar Cells ◽  
Lumo Energy ◽  
Lumo Energy Level

A structurally orthogonal molecule (SBF-PDI4) with a 9,9′-spirobi[9H-fluorene] (SBF) core and four perylenediimide (PDI) at periphery was developed for use in polymer solar cells. Proper LUMO energy level (−4.1 eV) and good light absorption ability over 450–550 nm make it an excellent non-fullerene acceptor.

Thermal Annealing Effect on Active Layer Structure in All-Polymer Organic Solar Cells

2015 ◽  
Vol 792 ◽  
pp. 640-644 ◽  
Author(s):  
Denis V. Anokhin ◽  
Kirill L. Gerasimov ◽  
Anton Kiriy ◽  
Dimitri A. Ivanov
Keyword(s):  
Solar Cells ◽  
Thermal Annealing ◽  
Organic Solar Cells ◽  
Layer Structure ◽  
Polymer Solar Cells ◽  
Structural Evolution ◽  
X Ray Diffraction ◽  
Lamellar Phases ◽  
Structure Improvement ◽  
Oriented Parallel

The structural evolution of the components for the active layers of all-polymer solar cells was studied by DSC, X-ray diffraction and optical microscopy. It was found that polymer donor (PTQ1) and polymer acceptor (PNDIT2) form lamellar structures with layers oriented parallel and perpendicular to the substrate, respectively. All films reveal π-π stacking in the direction normal to the film. During thermal annealing the structure improvement occurs only for the donor component. In a PTQ1/ PNDIT2 blend, two components form individual lamellar phases with the texture similar to that of the pure polymers. Upon annealing, the structure of PNDIT2 was found to be disturbed whereas the structure of PTQ1 phase improves. The micro-phase separation occurring during annealing of the PTQ1/ PNDIT2 blend is accompanied by the formation of large spherulitic objects.

Low-temperature solution-processed molybdenum oxide thin film as ITO modified layer for polymer solar cells

Solar Energy ◽  
2018 ◽  
Vol 170 ◽  
pp. 151-157 ◽  
Author(s):  
Shengli Niu ◽  
Simin Xing ◽  
Xiangning Zhan ◽  
Zhiyong Liu ◽  
Ning Wang ◽  
...  
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Low Temperature ◽  
Molybdenum Oxide ◽  
Polymer Solar Cells ◽  
Oxide Thin Film ◽  
Solution Processed ◽  
Temperature Solution ◽  
Modified Layer

scholarly journals Microwave-Assisted Classic Ullmann C–C Coupling Polymerization for Acceptor-Acceptor Homopolymers

Polymers ◽  
2019 ◽  
Vol 11 (11) ◽  
pp. 1741
Author(s):  
Zijie Li ◽  
Yusheng Chen ◽  
Pan Ye ◽  
Xiangli Jia ◽  
Xiaoxi Wu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Density Functional ◽  
Polymer Solar Cells ◽  
Gel Permeation Chromatography ◽  
Gravimetric Analysis ◽  
Flight Mass Spectrometry ◽  
Vis Spectroscopy ◽  
Microwave Assistance ◽  
Coupling Polymerization

Developing cheap, clean and atomic-efficient synthetic methodologies for conjugated polymers are always critical for the field of organic electronics. Herein, classic Ullmann coupling polymerization is developed to synthesize a series of Acceptor-Acceptor (A-A) type homopolymers with microwave-assistance, which are supported by nuclear magnetic resonance (NMR), matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF), elemental analysis (EA) and gel permeation chromatography (GPC). The physicochemical properties of these polymers are studied by UV-vis spectroscopy, cyclic voltammetry (CV), thermal gravimetric analysis (TGA), and density functional theory (DFT) calculation. Furthermore, these A-A homopolymers are used as acceptors for all-polymer solar cells (All-PSCs), affording a promising efficiency of 3.08%, which is the highest value for A-A-homopolymer-based organic solar cells.

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