Semi-transparent low-donor content organic solar cells employing cyclopentadithiophene-based conjugated molecules

2018 ◽  
Vol 6 (39) ◽  
pp. 10532-10537 ◽  
Author(s):  
Jungho Lee ◽  
Jeff L. Hernandez ◽  
Ian Pelse ◽  
John R. Reynolds ◽  
Changduk Yang
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Building Block ◽  
Facile Synthesis ◽  
Conjugated Molecules ◽  
Branching Points ◽  
Donor Acceptor

Considering the facile synthesis of the cyclopentadithiophene (CPDT) building block, this study aims to synthesize and characterize two donor–acceptor type conjugated molecules, 2EH-CPDT(FBTTh2)2 and 5EN-CPDT(FBTTh2)2, with different branching points from the backbone.

Thienoquinolinone as a new building block for wide bandgap semiconducting polymer donors for organic solar cells

2020 ◽  
Vol 8 (35) ◽  
pp. 12265-12271
Author(s):  
Jong-Woon Ha ◽  
Hee Su Kim ◽  
Chang Eun Song ◽  
Hea Jung Park ◽  
Do-Hoon Hwang
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Building Block ◽  
Wide Bandgap ◽  
Semiconducting Polymer ◽  
Aromatic Structure ◽  
Donor Acceptor

A new heterocyclic aromatic structure, thieno[3,2-c]quinolin-4(5H)-one (TQO), was designed and synthesized as an electron-accepting building block for donor–acceptor-type copolymers.

scholarly journals New 3,3′-(ethane-1,2-diylidene)bis(indolin-2-one) (EBI)-based small molecule semiconductors for organic solar cells

2017 ◽  
Vol 5 (21) ◽  
pp. 5143-5153 ◽  
Author(s):  
Mylène Le Borgne ◽  
Jesse Quinn ◽  
Jaime Martin ◽  
Natalie Stingelin ◽  
Yuning Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Semiconductors ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Building Block ◽  
Donor Acceptor ◽  
End Capping

A series of donor–acceptor–donor (D–A–D) organic semiconductors, with 3,3′-(ethane-1,2-diylidene)bis(indolin-2-one) (EBI) as building block coupled with various end-capping moieties were synthesized and characterized for use in solar cells.

Triphenylamine based donor-acceptor-donor type small molecules for organic solar cells

2021 ◽  
Vol 1198 ◽  
pp. 113176
Author(s):  
Sadaf Bibi ◽  
Rasheed Ahmad Khera ◽  
Afifa Farhat ◽  
Javed Iqbal
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Organic Solar Cells ◽  
Donor Type ◽  
Donor Acceptor

scholarly journals Facile synthesis and photovoltaic applications of a new alkylated bismethano fullerene as electron acceptor for high open circuit voltage solar cells

RSC Advances ◽  
2015 ◽  
Vol 5 (79) ◽  
pp. 64724-64730 ◽  
Author(s):  
Derya Baran ◽  
Sule Erten-Ela ◽  
Andreas Kratzer ◽  
Tayebeh Ameri ◽  
Christoph J. Brabec ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Acceptor ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Facile Synthesis ◽  
Photovoltaic Applications ◽  
Lumo Level

In this work, a bis-adduct C60 derivative was facilely synthesized using an alkyl solubilizing group. This semiconductor offers a higher LUMO level compared to PCBM, which resulted in a significantly enhanced Voc of 0.73 V in organic solar cells.

Fabrication and characterization of CuPc and PCBM based organic solar cell with metal interlayer

2015 ◽  
Vol 12 (5) ◽  
pp. 413-420
Author(s):  
Muhammad Ahsan Naveed ◽  
A. Hussain ◽  
K. Islam ◽  
P. Akhter
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Impedance Spectroscopy ◽  
Organic Solar Cells ◽  
Organic Solar Cell ◽  
Silver Layer ◽  
Absorbance Spectrum ◽  
Heterojunction Solar Cells ◽  
Processing Cost ◽  
Donor Acceptor

Organic solar cells have potential as an alternative to conventional inorganic solar cell due to low processing cost, flexibility and easy fabrication technique. The goal of this paper is to study the characteristics of the CuPc and PCBM based organic solar cell by introducing a thin layer of Ag at the interface of donor (CuPc) and Acceptor (PCBM), their photovoltaic and optical properties were investigated. The heterojunction solar cells with and without silver inter layer were fabricated through thermal deposition in HR vacuum. The OPV solar cells were characterized using current-voltage graphs, absorbance spectrum and Impedance spectroscopy. Impedance spectroscopy was taken to identify the traps using series resistance, parallel resistance, and Impedance spectrums under different frequencies. Optical behaviors of these devices have been investigated with absorbance spectrum. Introducing Ag to interfacing point produced traps and these traps causes to decreased Voc, Isc, FF, and efficiency. The effect of silver layer at donor acceptor interface was studied.

An expanded isoindigo unit as a new building block for a conjugated polymer leading to high-performance solar cells

2014 ◽  
Vol 2 (15) ◽  
pp. 5427-5433 ◽  
Author(s):  
Shugang Li ◽  
Zhongcheng Yuan ◽  
Jianyu Yuan ◽  
Ping Deng ◽  
Qing Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Building Block ◽  
Conjugated Polymer ◽  
High Performance ◽  
Fill Factor ◽  
Solar Cell Device ◽  
Donor Acceptor ◽  
First Time

An expanded isoindigo unit (IBTI) has been incorporated into a donor–acceptor conjugated polymer for the first time. The PCE of the solar cell device based on the new polymer reached 6.41% with a fill factor of 0.71.

Uphill and downhill charge generation from charge transfer to charge separated states in organic solar cells

2021 ◽  
Author(s):  
Shahidul Alam ◽  
Vojtech Nádaždy ◽  
Tomáš Váry ◽  
Christian Friebe ◽  
Rico Meitzner ◽  
...  
Keyword(s):  
Cyclic Voltammetry ◽  
Solar Cells ◽  
Charge Transfer ◽  
Energy Level ◽  
Density Of States ◽  
Organic Solar Cells ◽  
Joint Density ◽  
Charge Generation ◽  
Donor Acceptor

Energy level alignments at the organic donor–acceptor interface cannot be predicted from cyclic voltammetry. Onsets for joint density of states and charge generation, reveal cases of energy uphill and – newly observed – downhill charge generation.

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