scholarly journals Phthalimide-based π-conjugated small molecules with tailored electronic energy levels for use as acceptors in organic solar cells

2015 ◽  
Vol 3 (34) ◽  
pp. 8904-8915 ◽  
Author(s):  
Arthur D. Hendsbee ◽  
Seth M. McAfee ◽  
Jon-Paul Sun ◽  
Theresa M. McCormick ◽  
Ian G. Hill ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Organic Solar Cells ◽  
Energy Levels ◽  
Electronic Energy ◽  
Synthesis And Characterization ◽  
Design Synthesis ◽  
Electronic Energy Levels

The design, synthesis, and characterization of seven phthalimide-based organic π-conjugated small molecules are reported.

Synthesis and Characterization of Fluorinated Benzothiadiazole-Based Small Molecules for Organic Solar Cells

2014 ◽  
Vol 6 (11) ◽  
pp. 2411-2415 ◽  
Author(s):  
Ara Cho ◽  
Yujeong Kim ◽  
Chang Eun Song ◽  
Sang-Jin Moon ◽  
Eunhee Lim
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Organic Solar Cells ◽  
Synthesis And Characterization

Application of small molecules based on a dithienogermole core in bulk heterojunction organic solar cells and perovskite solar cells

2020 ◽  
Vol 4 (7) ◽  
pp. 2168-2175
Author(s):  
B. Yadagiri ◽  
K. Narayanaswamy ◽  
Towhid H. Chowdhury ◽  
Ashraful Islam ◽  
Vinay Gupta ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Bulk Heterojunction ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Synthesis And Characterization ◽  
Donor Material

We report the synthesis and characterization of a dithienogermole (DTGe) based small molecule, named Ge-PO-2CN, as a donor material for bulk heterojunction (BHJ) organic solar cells (OSCs) and as a hole transport material (HTM) for dopant-free perovskite solar cells (PSCs).

scholarly journals Synthesis and Theoretical Investigation Using DFT of 2,3-Diphenylquinoxaline Derivatives for Electronic and Photovoltaic Effects

2021 ◽  
Author(s):  
Dorota Zając ◽  
Dariusz Przybylski ◽  
Jadwiga Sołoducho
Keyword(s):  
Solar Cells ◽  
Acrylic Acid ◽  
Organic Semiconductors ◽  
Organic Solar Cells ◽  
Molecular Design ◽  
Low Cost ◽  
Design Synthesis ◽  
Semiconducting Properties ◽  
Homo Lumo

AbstractDeveloping effective and low‐cost organic semiconductors is an opportunity for the development of organic solar cells (OPV). Herein, we report the molecular design, synthesis and characterization of two molecules with D–A–D–A configuration: 2-cyano-3-(5-(8-(3,4-ethylenodioxythiophen-5-yl)-2,3-diphenylquinoxalin-5-yl)thiophen-2-yl)acrylic acid (6) and 2-cyano-3-(5-(2,3-diphenyl-8-(thiophen-2-yl)quinoxalin-5-yl)thiophen-2-yl)acrylic acid (7). Moreover, we investigated the structural, theoretical and optical properties. The distribution of HOMO/LUMO orbitals and the values of the ionization potential indicate good semiconducting properties of the compounds and that they can be a bipolar material. Also, the optical study show good absorption in visible light (λabs 380–550 nm). We investigate the theoretical optoelectronic properties of obtained compounds as potential materials for solar cells.

Synthesis and Characterization of a Methanofullerene-4-Fluoro-α-Cyanostilbene Dyad as a Potential Acceptor for Organic Solar Cells

2015 ◽  
Vol 1784 ◽  
Author(s):  
Venkata Neti
Keyword(s):  
Mass Spectrometry ◽  
Cyclic Voltammetry ◽  
Solar Cells ◽  
Organic Solar Cells ◽  
Synthesis And Characterization ◽  
Lumo Energy ◽  
Homo Lumo ◽  
Aryl Ester

ABSTRACTA series of fluorine appended highly conjugated fullerenes were prepared containing fluoro-α-cyanostilbene and aryl ester units. These modified PCBM dyads are fully characterized by NMR, Mass spectrometry, UV-vis, and cyclic voltammetry (Figures 1-4). It was found that the presence of fluoro-α-cyanostilbenes and esters affects the cyclic voltammetry and absorption in the UV-Vis region. The PCBA modified fullerenes significantly influences the HOMO-LUMO energy and wide absorption compared to PCBM.

The design, synthesis, and characterization of D-π-A-π-A type organic dyes as sensitizers for dye-sensitized solar cells (DSSCs)

2014 ◽  
Vol 55 (21) ◽  
pp. 3244-3248 ◽  
Author(s):  
Tanika Khanasa ◽  
Narid Prachumrak ◽  
Palita Kochapradist ◽  
Supawadee Namuangruk ◽  
Tinnagon Keawin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Dyes ◽  
Dye Sensitized Solar Cells ◽  
Synthesis And Characterization ◽  
Design Synthesis ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

Benzotriazacycle Cored Perylene Diimide Non-fullerene Acceptors for High-performance Organic Solar Cells

2021 ◽  
Vol 01 ◽  
Author(s):  
Min Deng ◽  
Zhenkai Ji ◽  
Xiaopeng Xu ◽  
Liyang Yu ◽  
Qiang Peng
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
High Performance ◽  
Energy Levels ◽  
Three Dimensional ◽  
Molecular Structures ◽  
Perylene Diimide ◽  
Photon Absorption ◽  
Optoelectronic Property ◽  
Design Synthesis

Background: Perylene diimide (PDI) is among the most investigated non-fullerene electron acceptor for organic solar cells (OSCs). Constructing PDI derivatives into three-dimensional propeller-like molecular structures is not only one of the viable routes to suppress the over aggregation tendency of the PDI chromophores, but also raises possibilities to tune and optimize the optoelectronic property of the molecules. Objective: In this work, we reported the design, synthesis, and characterization of three electron-accepting materials, namely BOZ-PDI, BTZ-PDI, and BIZ-PDI, each with three PDI arms linked to benzotrioxazole, benzotrithiazole, and benzotriimidazole based center cores, respectively. Method: The introduction of electron-withdrawing center cores with heteroatoms does not significantly complicate the synthesis of the acceptor molecules but drastically influences the energy levels of the propeller-like PDI derivatives. Result: The highest power conversion efficiency was obtained with benzoxazole-based BOZ-PDI reaching 7.70% for its higher photon absorption and charge transport ability. Conclusion: This work explores the utilization of electron-withdrawing cores with heteroatoms in the propeller-like PDI derivatives, which provides a handy tool to construct high-performance non-fullerene acceptor materials.

scholarly journals Polymerized small molecular acceptor based all-polymer solar cells with an efficiency of 16.16% via tuning polymer blend morphology by molecular design

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Jiaqi Du ◽  
Ke Hu ◽  
Jinyuan Zhang ◽  
Lei Meng ◽  
Jiling Yue ◽  
...  
Keyword(s):  
Solar Cells ◽  
Molecular Design ◽  
Polymer Solar Cells ◽  
Energy Levels ◽  
Photovoltaic Performance ◽  
Electronic Energy ◽  
Force Microscopy ◽  
Transmission Electron ◽  
Electronic Energy Levels ◽  
20 Nm

AbstractAll-polymer solar cells (all-PSCs) based on polymerized small molecular acceptors (PSMAs) have made significant progress recently. Here, we synthesize two A-DA’D-A small molecule acceptor based PSMAs of PS-Se with benzo[c][1,2,5]thiadiazole A’-core and PN-Se with benzotriazole A’-core, for the studies of the effect of molecular structure on the photovoltaic performance of the PSMAs. The two PSMAs possess broad absorption with PN-Se showing more red-shifted absorption than PS-Se and suitable electronic energy levels for the application as polymer acceptors in the all-PSCs with PBDB-T as polymer donor. Cryogenic transmission electron microscopy visualizes the aggregation behavior of the PBDB-T donor and the PSMA in their solutions. In addition, a bicontinuous-interpenetrating network in the PBDB-T:PN-Se blend film with aggregation size of 10~20 nm is clearly observed by the photoinduced force microscopy. The desirable morphology of the PBDB-T:PN-Se active layer leads its all-PSC showing higher power conversion efficiency of 16.16%.

Synthesis and characterization of a novel fullerene derivative containing carbazole group for use in organic solar cells

2011 ◽  
Vol 161 (13-14) ◽  
pp. 1330-1335 ◽  
Author(s):  
Dongbo Mi ◽  
Ji-Hoon Kim ◽  
Sung Cheol Yoon ◽  
Changjin Lee ◽  
Jin-Kyun Lee ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Fullerene Derivative ◽  
Synthesis And Characterization ◽  
Carbazole Group
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