Flexible-Spacer Incorporated Polymer Donors Enable Superior Blend Miscibility for High-Performance and Mechanically-Robust Polymer Solar Cells

2021 ◽  
Author(s):  
Jin-Woo Lee ◽  
Dahyun Jeong ◽  
Dong Jun Kim ◽  
Tan Ngoc-Lan Phan ◽  
Jin Su Park ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Operational Reliability ◽  
Wearable Devices ◽  
Flexible Spacer

Developing polymer solar cells (PSCs) with high photovoltaic performance and mechanical robustness is one of the most urgent tasks to ensure their operational reliability and applicability in wearable devices. However,...

Insertion of double bond π-bridges of A–D–A acceptors for high performance near-infrared polymer solar cells

2017 ◽  
Vol 5 (43) ◽  
pp. 22588-22597 ◽  
Author(s):  
Xiaojun Li ◽  
Tinghai Yan ◽  
Haijun Bin ◽  
Guangchao Han ◽  
Lingwei Xue ◽  
...  
Keyword(s):  
Solar Cells ◽  
Double Bond ◽  
High Performance ◽  
Near Infrared ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Broad Absorption ◽  
Low Bandgap ◽  
Donor And Acceptor

A low bandgap n-OS molecule SJ-IC was synthesized by inserting double bond π-bridges between the donor and acceptor units of IDT-IC, and SJ-IC as an acceptor shows broad absorption and improved photovoltaic performance when using a broad bandgap polymer J61 as a donor.

Theoretical Study on Electronic Structures and Spectroscopic Properties of Indene-C60 Monoadduct (ICMA)

2012 ◽  
Vol 535-537 ◽  
pp. 1287-1290
Author(s):  
Zhan Chun Xu ◽  
Hong Sen Zhang ◽  
Zhe Li ◽  
Xue Shun Yang ◽  
Gang Zhang
Keyword(s):  
Solar Cells ◽  
Electronic Structures ◽  
High Performance ◽  
Density Functional ◽  
Polymer Solar Cells ◽  
Carbon Number ◽  
Photovoltaic Performance ◽  
Acid Methyl Ester ◽  
Spectroscopic Properties ◽  
Frontier Molecular Orbital

ICMA and its derivatives, high performance acceptor of polymer solar cells, have received most attention in experimental and theoretical studies. In this work, we calculated electronic structures and spectroscopic properties of the ICMA by density functional theory (DFT) using B3LYP method. The geometrical structure data show that indene has little influence on C60. In comparison with [6,6]-phenyl C61-butyric acid methyl ester (PCBM), It was proved theoretically that ICMA possesses a better photovoltaic performance and higher LUMO energy level. ICMA and its derivatives could be a promising new acceptor which further improve the power conversion efficiency of the high performance polymer solar cells. The research indicates that the frontier molecular orbital are mainly localized on the C60 sphere, which shows carbon number of cage is an important factor leading to the change of optical and electrical properties. The present study provides theoretical supporting for further application of the ICMA and its derivatives in molecular design and structure-activity relationships research.

Indacenodithiophene: a promising building block for high performance polymer solar cells

2017 ◽  
Vol 5 (22) ◽  
pp. 10798-10814 ◽  
Author(s):  
Yongxi Li ◽  
Minchao Gu ◽  
Zhe Pan ◽  
Bin Zhang ◽  
Xutong Yang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Building Block ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Energy Levels ◽  
Photovoltaic Performance ◽  
Conjugated Materials ◽  
Factors Affecting ◽  
High Performance Polymer ◽  
Photovoltaic Applications

This review surveys recent research advances in the area of IDT-based conjugated materials for photovoltaic applications. The factors affecting the bandgaps, molecular energy levels, film morphologies, as well as the photovoltaic performance of these materials have also been discussed.

scholarly journals Ultrasonically Processed WSe2 Nanosheets Blended Bulk Heterojunction Active Layer for High-Performance Polymer Solar Cells and X-ray Detectors

Materials ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3206
Author(s):  
Hailiang Liu ◽  
Sajjad Hussain ◽  
Jehoon Lee ◽  
Dhanasekaran Vikraman ◽  
Jungwon Kang
Keyword(s):  
Solar Cells ◽  
Active Layer ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Acid Methyl Ester ◽  
High Mobility ◽  
Transition Metal Dichalcogenide ◽  
X Ray ◽  
Photoelectric Properties

Two-dimensional (2D) tungsten diselenide (WSe2) has attracted considerable attention in the field of photovoltaic devices owing to its excellent structure and photoelectric properties, such as ordered 2D network structure, high electrical conductivity, and high mobility. For this test, we firstly prepared different sizes (NS1–NS3) of WSe2 nanosheets (NSs) through the ultrasonication method and characterized their structures using the field emission scanning electron microscope (FE-SEM), Raman spectroscopy, and X-ray powder diffraction. Moreover, we investigated the photovoltaic performance of polymer solar cells based on 5,7-Bis(2-ethylhexyl)benzo[1,2-c:4,5-c′]dithiophene-4,8-dione(PBDB-T):(6,6)-phenyl-C71 butyric acid methyl ester (PCBM) with different WSe2 NSs as the active layer. The fabricated PBDB-T:PCBM active layer with the addition of NS2 WSe2 NSs (1.5 wt%) exhibited an improved power conversion efficiency (PCE) of 9.2%, which is higher than the pure and NS1 and NS3 WSe2 blended active layer-encompassing devices. The improved PCE is attributed to the synergic enhancement of exciton dissociation and an improvement in the charge mobility through the modified active layer for polymer solar cells. Furthermore, the highest sensitivity of 2.97 mA/Gy·cm2 was achieved for the NS2 WSe2 NSs blended active layer detected by X-ray exposure over the pure polymer, and with the NS1 and NS2 WSe2 blended active layer. These results led to the use of transition metal dichalcogenide materials in polymer solar cells and X-ray detectors.

Regulation of the Miscibility of the Active Layer by Random Terpolymer Acceptors to Realize High-Performance All-Polymer Solar Cells

2021 ◽  
Vol 3 (4) ◽  
pp. 1923-1931
Author(s):  
Dong Chen ◽  
Siqi Liu ◽  
Jinliang Liu ◽  
Jihui Han ◽  
Lie Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Active Layer ◽  
High Performance ◽  
Polymer Solar Cells

Ester-Functionalized, Wide-Bandgap Derivatives of PM7 for Simultaneous Enhancement of Photovoltaic Performance and Mechanical Robustness of All-Polymer Solar Cells

2021 ◽  
Author(s):  
Hoseon You ◽  
Austin Jones ◽  
Boo Soo Ma ◽  
Geon-U Kim ◽  
Seungjin Lee ◽  
...  
Keyword(s):  
Solar Cells ◽  
Structural Modification ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Wide Bandgap ◽  
Derivatives Of

In this study, two wide-bandgap PM7 polymer derivatives are developed via simple structural modification of the fused-accepting unit by incorporating ester groups on terthiophene at different positions (i.e., two ester...

scholarly journals Improving ternary blend morphology by adding a conjugated molecule into non-fullerene polymer solar cells

RSC Advances ◽  
2020 ◽  
Vol 10 (71) ◽  
pp. 43508-43513
Author(s):  
Di Zhao ◽  
Pengcheng Jia ◽  
Ling Li ◽  
Yang Tang ◽  
Qiuhong Cui ◽  
...  
Keyword(s):  
Solar Cells ◽  
Fill Factor ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Ternary Blend ◽  
Promising Strategy ◽  
Blend Morphology ◽  
Ternary Polymer ◽  
Conjugated Molecule

The use of ternary polymer solar cells (PSCs) is a promising strategy to enhance photovoltaic performance while improving the fill factor (FF) of a device, but is still a challenge due to the complicated morphology.

Side-chain engineering of diindenocarbazole-based large bandgap copolymers toward high performance polymer solar cells

2016 ◽  
Vol 4 (25) ◽  
pp. 6160-6168 ◽  
Author(s):  
Qisheng Tu ◽  
Dongdong Cai ◽  
Lixin Wang ◽  
Jiajun Wei ◽  
Qi Shang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Short Wavelength ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Side Chain ◽  
High Performance Polymer ◽  
Absorbing Materials

Diindenocarbazole-based large bandgap polymers were designed and synthesized as short wavelength absorbing materials for PSCs exhibiting an efficiency up to 7.34% and a Voc as large as 0.95 V.

Quaternisation-polymerized N-type polyelectrolytes: synthesis, characterisation and application in high-performance polymer solar cells

2017 ◽  
Vol 4 (1) ◽  
pp. 88-97 ◽  
Author(s):  
Zhicheng Hu ◽  
Rongguo Xu ◽  
Sheng Dong ◽  
Kai Lin ◽  
Jinju Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Polymer Solar Cells ◽  
High Mobility ◽  
High Performance Polymer

We design and synthesize a series of high-mobility n-type polyelectrolytes with different anions via quaternisation polymerisation, which can be utilized as thickness-insensitive electron-transporting materials for polymer solar cells.

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