51
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Lutz JP, Hannigan MD, McNeil AJ. Polymers synthesized via catalyst-transfer polymerization and their applications. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.07.015] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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52
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Jiang X, Wang J, Yang Y, Zhan X, Chen X. Fluorinated Thieno[2',3':4,5]benzo[1,2- d][1,2,3]triazole: New Acceptor Unit To Construct Polymer Donors. ACS OMEGA 2018; 3:13894-13901. [PMID: 31458085 PMCID: PMC6645298 DOI: 10.1021/acsomega.8b02053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 10/09/2018] [Indexed: 06/10/2023]
Abstract
A new acceptor unit, fluorinated thieno[2',3':4,5]benzo[1,2-d][1,2,3]triazole (fBTAZT), has been designed and synthesized to build two donor-acceptor (D-A) copolymers with the none/fluorinated benzodithiophene (BDT) unit, which have been applied as the electron-donating material with ITIC as an electron-accepting material to fabricate the nonfullerene polymer solar cells (PSCs). It is found that fluorination at the BTAZT unit and BDT unit exerts a significant influence on photophysical properties and photovoltaic performances of the PSCs. As a result, when the fluorine atom is introduced both into the BTAZT unit and the side-chain thiophene ring of the BDT unit, the corresponding polymer PfBTAZT-fBDT exhibits deeper highest occupied molecular orbital-lowest unoccupied molecular orbital energy level and shows stronger interchain interaction with a little broad and red-shift absorption and high charge mobilities as well as good phase-separated morphologies, thus leading to higher power conversion efficiency of 6.59% in nonfullerene PSCs compared with another polymer PfBTAZT-BDT without F atom at the BDT unit, indicating that fBTAZT can be acted as a medium strong organic acceptor to build D-A polymer donor for high efficient PSCs.
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Affiliation(s)
- Xiu Jiang
- Hubei
Key Laboratory on Organic and Polymeric Opto-Electronic Materials,
College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Jiacheng Wang
- Hubei
Key Laboratory on Organic and Polymeric Opto-Electronic Materials,
College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Yang Yang
- Hubei
Key Laboratory on Organic and Polymeric Opto-Electronic Materials,
College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Xiaowei Zhan
- Department
of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Xingguo Chen
- Hubei
Key Laboratory on Organic and Polymeric Opto-Electronic Materials,
College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
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53
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Huang L, Zhang G, Zhang K, Peng Q, Wong MS. Benzodithiophene-Dithienylbenzothiadiazole Copolymers for Efficient Polymer Solar Cells: Side-Chain Effect on Photovoltaic Performance. ACS APPLIED MATERIALS & INTERFACES 2018; 10:34355-34362. [PMID: 30209951 DOI: 10.1021/acsami.8b13274] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A new series of low band gap D-A alternating polymers based on 4,5-bis((2-ethylhexyl)oxy)benzo[2,1- b:3,4- b']dithiophene (BDT) and 5-fluoro-4,7-bis(4-alkylthien-2-yl)benzo[ c][1,2,5]thiadiazole bearing different size of lateral alkyl substituents, namely, PfBB- n, n = 8, 10, 12, 14, and 16, was designed and synthesized for high-performance bulk heterojunction (BHJ) polymer solar cells (PSCs). PfBB- n-bearing linear alkyl side chains exhibited strong and controllable aggregation in both solution and solid states, which gives rise to a significant bathochromic shift of the absorption cut-off down to ∼780 nm in thin film. In addition, the strong and wide absorption (350-800 nm) of PfBB- n polymers can compensate for the relatively weak absorption of PC71BM, particularly in the 300-400 range nm to enhance light harvesting of such an active blend. BHJ solar cells based on PfBB- n:PC71BM blends as an active layer showed power conversion efficiency (PCE) in the range 7.8-9.7%. Because of the strong stacking interchain interactions, PfBB-12-based PSC exhibited aggregation-induced spectral broadening, superior structural order, higher exciton dissociation, higher and more balanced charge carrier mobilities, as well as reduced recombination losses. As a result, PfBB-12-based device afforded the best PCE of 9.7%, with the highest short-circuit current density ( Jsc) of 16.6 mA cm-2 and open-circuit voltage ( Voc) of 0.92 V among devices fabricated. These results demonstrate that the alkyl side chain of the polymer significantly affects the absorption, morphology, and electronic properties of the active blend of PfBB- n/PC71BM, which would provide an alternative useful tool to fine-tune the device performance. Our results also highlight that the electron-rich benzo[2,1- b:3,4- b']dithiophene building block, BDT, is highly useful for the construction of low band gap D-A polymer for highly efficient PSCs.
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Affiliation(s)
- Lanqi Huang
- Institute of Molecular Functional Materials, Department of Chemistry and Institute of Advanced Materials , Hong Kong Baptist University , Kowloon Tong , Hong Kong SAR , China
| | - Guangjun Zhang
- College of Chemistry , Sichuan University , Wangjiang Road 29 , Chengdu , 610064 Sichuan , China
| | - Kai Zhang
- Institute of Molecular Functional Materials, Department of Chemistry and Institute of Advanced Materials , Hong Kong Baptist University , Kowloon Tong , Hong Kong SAR , China
- College of Preclinical Medicine , Southwest Medical University , Luzhou 646000 , Sichuan , P.R. China
| | - Qiang Peng
- College of Chemistry , Sichuan University , Wangjiang Road 29 , Chengdu , 610064 Sichuan , China
| | - Man Shing Wong
- Institute of Molecular Functional Materials, Department of Chemistry and Institute of Advanced Materials , Hong Kong Baptist University , Kowloon Tong , Hong Kong SAR , China
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54
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Tong J, An L, Li J, Lv J, Guo P, Li L, Zhang P, Yang C, Xia Y, Wang C. Effects of alkyl side chain length of low bandgap naphtho[1,2-c:5,6-c′]bis[1,2,5]thiadiazole-based copolymers on the optoelectronic properties of polymer solar cells. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/pola.29166] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Junfeng Tong
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education; Lanzhou Jiaotong University; Lanzhou 730070 People's Republic of China
| | - Lili An
- School of Chemical Engineering; Northwest Minzu University; Lanzhou 730030 People's Republic of China
| | - Jianfeng Li
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education; Lanzhou Jiaotong University; Lanzhou 730070 People's Republic of China
| | - Jie Lv
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education; Lanzhou Jiaotong University; Lanzhou 730070 People's Republic of China
| | - Pengzhi Guo
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education; Lanzhou Jiaotong University; Lanzhou 730070 People's Republic of China
| | - Liujun Li
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education; Lanzhou Jiaotong University; Lanzhou 730070 People's Republic of China
| | - Peng Zhang
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education; Lanzhou Jiaotong University; Lanzhou 730070 People's Republic of China
| | - Chunyan Yang
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education; Lanzhou Jiaotong University; Lanzhou 730070 People's Republic of China
| | - Yangjun Xia
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education; Lanzhou Jiaotong University; Lanzhou 730070 People's Republic of China
| | - Chenglong Wang
- National Green Coating Technology and Equipment Research Center, Lanzhou Jiaotong University; Lanzhou 730070 People's Republic of China
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55
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Cao H, Bauer N, Bi S, Li D, You W, Rupar PA. Post-polymerization modification of phosphorus containing conjugated copolymers. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.05.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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56
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Synthesis and studies of carbazole-based donor polymer for organic solar cell applications. Colloid Polym Sci 2018. [DOI: 10.1007/s00396-018-4337-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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57
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Zhong Y, Biniek L, Leclerc N, Ferry S, Brinkmann M. Segregated versus Disordered Stacking in Two Low Bandgap Alternated Copolymers for Photovoltaic Applications: Impact of Polymorphism on Optical Properties. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00378] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Yuhan Zhong
- Institut Charles Sadron, CNRS-Université de Strasbourg, 23 rue du Loess, Strasbourg 67034, France
| | - Laure Biniek
- Institut Charles Sadron, CNRS-Université de Strasbourg, 23 rue du Loess, Strasbourg 67034, France
| | - Nicolas Leclerc
- Institut de Chimie et Procédés pour l’Energie, l’Environnement et la Santé, UMR 7515, ECPM, 25 rue Becquerel, Cedex 2 67087 Strasbourg, France
| | - Stéphanie Ferry
- Institut de Chimie et Procédés pour l’Energie, l’Environnement et la Santé, UMR 7515, ECPM, 25 rue Becquerel, Cedex 2 67087 Strasbourg, France
| | - Martin Brinkmann
- Institut Charles Sadron, CNRS-Université de Strasbourg, 23 rue du Loess, Strasbourg 67034, France
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58
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Movement of new direction from conjugated polymer to semiconductor composite polymer nanofiber. REV CHEM ENG 2018. [DOI: 10.1515/revce-2017-0024] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Abstract
In the past few years, there was a tremendous growth in conjugated polymer nanofibers via design of novel conjugated polymers with inorganic materials. Synthetic routes to these conjugated polymers involve new, mild polymerization techniques, which enable the formation of well-defined polymer architectures. This review provides interest in the development of novel (semi) conducting polymers, which combine both organic and inorganic blocks in one framework. Due to their ability to act as chemosensors or to detect various chemical species in environmental and biological systems, fluorescent conjugated polymers have gained great interest. Nanofibers of metal oxides and sulfides are particularly interesting in both their way of applications and fundamental research. These conjugated nanofibers operated for many applications in organic electronics, optoelectronics, and sensors. Synthesis of electrospun fibers by electrospinning technique discussed in this review is a simple method that forms conjugated polymer nanofibers. This review provides the basics of the technique and its recent advances in the formation of highly conducting and high-mobility polymer fibers towards their adoption in electronic application.
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59
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Higashino T, Kurumisawa Y, Nimura S, Iiyama H, Imahori H. Enhanced Donor-π-Acceptor Character of a Porphyrin Dye Incorporating Naphthobisthiadiazole for Efficient Near-Infrared Light Absorption. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701736] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tomohiro Higashino
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku 615-8510 Kyoto Japan
| | - Yuma Kurumisawa
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku 615-8510 Kyoto Japan
| | - Shimpei Nimura
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku 615-8510 Kyoto Japan
| | - Hitomi Iiyama
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku 615-8510 Kyoto Japan
| | - Hiroshi Imahori
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku 615-8510 Kyoto Japan
- Institute for Integrated Cell-Material Sciences; Kyoto University; Sakyo-ku 606-8501 Kyoto Japan
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60
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Yoon GB, Kwon HY, Jung SH, Lee JK, Lee J. Effect of Donor Building Blocks on the Charge-Transfer Characteristics of Diketopyrrolopyrrole-Based Donor-Acceptor-Type Semiconducting Copolymers. ACS APPLIED MATERIALS & INTERFACES 2017; 9:39502-39510. [PMID: 29057646 DOI: 10.1021/acsami.7b11897] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We investigate the effect of donor (D) building blocks on the charge transportation characteristics of donor (D)-acceptor (A)-type semiconducting copolymers with alternating electron-donating and electron-accepting units to provide a basis for the rational design of high-performance semiconducting polymers. For this purpose, we studied three different diketopyrrolopyrrole (DPP)-based semiconducting copolymers comprising a common dithienyl-DPP [3,6-dithienyl-2,5-diketopyrrolo(3,4-c)pyrrole] and variable donor moieties: phenylene (P)-PDPPTPT, thiophene (T)-PDPP3T, and thienothiophene (TT)-PDPP2T-TT. Structural analysis using grazing incidence X-ray diffraction indicates that all three DPP-based copolymer films have edge-on phases but poor crystallinity of the films, except the PDPP2T-TT copolymer with branched alkyl side chains that are relatively long. The electrical measurements show that the DPP-based copolymer with a TT donor unit has the highest field-effect mobility value of 0.30 cm2/V s. To understand the role of the donor units in DPP-based D-A copolymers, further insight into the charge transportation behavior is realized by analyzing the temperature-dependent transfer curves of the DPP semiconducting copolymer-based field-effect transistors using the Gaussian disorder model. Compared to the DPP-based D-A-type semiconducting copolymer with a P-moiety and shorter-branched alkyl side chains that exhibit a broad distribution in the density of localized states (DOS) and a higher thermal-activated energy for charge hopping, the DPP copolymers with a TT-moiety and longer branched side chains have the narrowest DOS, the lowest activation energy, and thus the highest hole mobility. These results suggest that the higher mobilities obtained from PDPP2T-TT with a TT donor unit can be attributed to the suppressed DOS distribution near the transport level, which mainly originates from the narrowest energy band gap tuned with the orbital couplings of the DPP acceptor and TT donor units.
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Affiliation(s)
- Gyu Bok Yoon
- Department of Graphic Arts Information Engineering, Pukyong National University , Sinseon-ro 365, Nam-gu, Busan 608-739, Republic of Korea
| | - Ho-Young Kwon
- Department of Polymer Science Engineering, Inha University , Inha-ro 100, Nam-gu, Incheon 402-751, Republic of Korea
| | - Seok-Heon Jung
- Department of Polymer Science Engineering, Inha University , Inha-ro 100, Nam-gu, Incheon 402-751, Republic of Korea
| | - Jin-Kyun Lee
- Department of Polymer Science Engineering, Inha University , Inha-ro 100, Nam-gu, Incheon 402-751, Republic of Korea
| | - Jiyoul Lee
- Department of Graphic Arts Information Engineering, Pukyong National University , Sinseon-ro 365, Nam-gu, Busan 608-739, Republic of Korea
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61
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Peltier JD, Heinrich B, Donnio B, Jeannin O, Rault-Berthelot J, Poriel C. Modulating the Physical and Electronic Properties over Positional Isomerism: The Dispirofluorene-Dihydroindacenodithiophene (DSF-IDT) Family. Chemistry 2017; 23:17290-17303. [DOI: 10.1002/chem.201703320] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Indexed: 01/09/2023]
Affiliation(s)
| | - Benoît Heinrich
- Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504; CNRS-Université de Strasbourg; 23 rue du Loess, BP 43 67034 Strasbourg Cédex 2 France
| | - Bertrand Donnio
- Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504; CNRS-Université de Strasbourg; 23 rue du Loess, BP 43 67034 Strasbourg Cédex 2 France
| | - Olivier Jeannin
- UMR CNRS 6226-ISCR; Université de Rennes 1; 35042 Rennes cedex France
| | | | - Cyril Poriel
- UMR CNRS 6226-ISCR; Université de Rennes 1; 35042 Rennes cedex France
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62
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Chen CH, Tsai WY, Luo ZH. Highly Fluorescent Conjugated Copolymers Constructed by Alternating Heterocyclic Diazoles and Alkoxy Benzene. J CHIN CHEM SOC-TAIP 2017. [DOI: 10.1002/jccs.201700184] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chih-Hsien Chen
- Department of Chemical Engineering; Feng Chia University; Taichung Taiwan 407
| | - Wu-Yen Tsai
- Department of Chemical Engineering; Feng Chia University; Taichung Taiwan 407
| | - Zi-Huan Luo
- Department of Chemical Engineering; Feng Chia University; Taichung Taiwan 407
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63
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Bianchi G, Po R, Sassi M, Beverina L, Chiaberge S, Spera S, Cominetti A. Synthesis of Dithienocyclohexanones (DTCHs) as a Family of Building Blocks for π-Conjugated Compounds in Organic Electronics. ACS OMEGA 2017; 2:4347-4355. [PMID: 31457727 PMCID: PMC6641726 DOI: 10.1021/acsomega.7b00987] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 07/26/2017] [Indexed: 06/10/2023]
Abstract
The development and widespread application of organic electronic devices require the availability of simple and cost-effective suitable materials. In this study, the preparation of a new class of conjugated compounds on the basis of a dithienocyclohexanone (DTCH) core is reported. Several synthetic strategies for the preparation of dialkyl DTCH derivatives are explored, with special emphasis on the establishment of a sustainable synthetic access. Two successful synthetic pathways, both consisting of five steps, are identified: the first one featuring readily available 3-thiophenecarboxaldeyde and the second one 3-ethynylthiophene as the starting materials. Both procedures are characterized by reasonably high overall yields (over 30%) and remarkably low E factors (<400). Preliminary evidences of the use of such building blocks in the micellar Suzuki-Miyaura cross-coupling reactions leading to promising molecular semiconductors are also given. Moreover, on a small molecule containing DTCH moiety, solar cell performance was investigated.
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Affiliation(s)
- Gabriele Bianchi
- Renewable
Energies & Environmental R&D Center - Istituto Guido Donegani, Eni S.p.A., Via Giacomo Fauser 4, 28100 Novara, Italy
| | - Riccardo Po
- Renewable
Energies & Environmental R&D Center - Istituto Guido Donegani, Eni S.p.A., Via Giacomo Fauser 4, 28100 Novara, Italy
| | - Mauro Sassi
- Department
of Materials Science, University of Milano-Bicocca, Via Roberto Cozzi 55, 20125 Milano, Italy
| | - Luca Beverina
- Department
of Materials Science, University of Milano-Bicocca, Via Roberto Cozzi 55, 20125 Milano, Italy
| | - Stefano Chiaberge
- Renewable
Energies & Environmental R&D Center - Istituto Guido Donegani, Eni S.p.A., Via Giacomo Fauser 4, 28100 Novara, Italy
| | - Silvia Spera
- Renewable
Energies & Environmental R&D Center - Istituto Guido Donegani, Eni S.p.A., Via Giacomo Fauser 4, 28100 Novara, Italy
| | - Alessandra Cominetti
- Renewable
Energies & Environmental R&D Center - Istituto Guido Donegani, Eni S.p.A., Via Giacomo Fauser 4, 28100 Novara, Italy
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64
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Huo Z, Zhang P, Li J, Tong J, Yang C, Dou W, Xia Y. Wide bandgap conjugated polymers based on bithiophene and benzotriazole for bulk heterojunction solar cells: Thiophene versus thieno[3,2- b]thiophene as π-conjugated spacers. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2017. [DOI: 10.1080/10601325.2017.1309250] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Zejuan Huo
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, P.R. China
| | - Peng Zhang
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, P.R. China
| | - Jianfeng Li
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, P.R. China
| | - Junfeng Tong
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, P.R. China
| | - Chunyan Yang
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, P.R. China
| | - Wei Dou
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, P.R. China
| | - Yangjun Xia
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, P.R. China
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65
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Tong J, Li J, Zhang P, Ma X, Wang M, An L, Sun J, Guo P, Yang C, Xia Y. Naphtho[1,2- c :5,6- c ′]bis[1,2,5]thiadiazole-based conjugated polymers consisting of oligothiophenes for efficient polymer solar cells. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.06.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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66
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Liu X, He B, Anderson CL, Kang J, Chen T, Chen J, Feng S, Zhang L, Kolaczkowski MA, Teat SJ, Brady MA, Zhu C, Wang LW, Chen J, Liu Y. para-Azaquinodimethane: A Compact Quinodimethane Variant as an Ambient Stable Building Block for High-Performance Low Band Gap Polymers. J Am Chem Soc 2017; 139:8355-8363. [DOI: 10.1021/jacs.7b04031] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xuncheng Liu
- Institute of Polymer Optoelectronic Materials & Devices, State Key Laboratory of Luminescent Materials & Devices, South China University of Technology, Guangzhou 510640, P.R. China
| | | | - Christopher L. Anderson
- Department
of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | | | | | - Jinxiang Chen
- Institute of Polymer Optoelectronic Materials & Devices, State Key Laboratory of Luminescent Materials & Devices, South China University of Technology, Guangzhou 510640, P.R. China
| | - Shizhen Feng
- Institute of Polymer Optoelectronic Materials & Devices, State Key Laboratory of Luminescent Materials & Devices, South China University of Technology, Guangzhou 510640, P.R. China
| | - Lianjie Zhang
- Institute of Polymer Optoelectronic Materials & Devices, State Key Laboratory of Luminescent Materials & Devices, South China University of Technology, Guangzhou 510640, P.R. China
| | - Matthew A. Kolaczkowski
- Department
of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | | | | | | | | | - Junwu Chen
- Institute of Polymer Optoelectronic Materials & Devices, State Key Laboratory of Luminescent Materials & Devices, South China University of Technology, Guangzhou 510640, P.R. China
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67
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Yu T, Xu X, Li Y, Li Z, Peng Q. Side-Chain Influence of Wide-Bandgap Copolymers Based on Naphtho[1,2-b:5,6-b]bispyrazine and Benzo[1,2-b:4,5-b']dithiophene for Efficient Photovoltaic Applications. ACS APPLIED MATERIALS & INTERFACES 2017; 9:18142-18150. [PMID: 28488430 DOI: 10.1021/acsami.7b04496] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In this work, we reported new types of wide-bandgap copolymers, PBDTA-NPz, PBDTT-NPz, PBDTF-NPz, and PBDTP-NPz, on the basis of the naphtho[1,2-b:5,6-b]bispyrazine (NPz) acceptor building block for efficient photovoltaic applications. The influencing factors of the introduced side chains, including alkoxyl, alkylthienyl, alkylfuryl, and alkoxylphenyl, were investigated in detail. These copolymers possessed wide bandgaps ranging from 1.79 to 1.88 eV with different nonconjugated or conjugated side chains. They also possessed deep highest-occupied molecular orbital levels of less than -5.25 eV, which allowed the achievement of high Voc's from their polymer solar cells (PSCs). The X-ray diffraction results indicated their excellent crystallinity and molecular stacking features, especially for PBDTF-NPz containing alkylfuryl side chains. Their photovoltaic performances were measured using bulk-heterojunction single-junction PSCs with a configuration of ITO/PEDOT:PSS/copolymer:PC71BM/Ca/Al under the same processing conditions. Different side chains of NPz-based copolymers induced largely different device performances. Without the additive, 1,8-diiodooctane (DIO), the primary PBDTA-NPz, PBDTT-NPz, PBDTF-NPz, and PBDTP-NPz devices showed power conversion efficiencies (PCEs) of 4.53, 6.09, 7.06, and 3.49%, respectively. On adding 3 vol % DIO, the device performances were elevated to a higher level. The PBDTF-NPz devices exhibited the highest PCE of 8.63%, which resulted in improved Voc, Jsc, and FF values caused by their inherent properties. Our results indicated that NPz is a potential acceptor unit to construct high-powered wide-bandgap copolymers for efficient PSCs in the future.
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Affiliation(s)
- Ting Yu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, and State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu 610064, P. R. China
| | - Xiaopeng Xu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, and State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu 610064, P. R. China
| | - Ying Li
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, and State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu 610064, P. R. China
| | - Zuojia Li
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, and State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu 610064, P. R. China
| | - Qiang Peng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, and State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu 610064, P. R. China
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68
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Huang J, Nakano K, Suzuki K, Chen Y, Wang F, Koganezawa T, Tajima K. π-Conjugation Effects of Oligo(thienylenevinylene) Side Chains in Semiconducting Polymers on Photovoltaic Performance. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b00439] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jianming Huang
- RIKEN Center for Emergent Matter
Science (CEMS), 2-1 Hirosawa, Wako 351-198, Japan
| | - Kyohei Nakano
- RIKEN Center for Emergent Matter
Science (CEMS), 2-1 Hirosawa, Wako 351-198, Japan
| | - Kaori Suzuki
- RIKEN Center for Emergent Matter
Science (CEMS), 2-1 Hirosawa, Wako 351-198, Japan
| | - Yujiao Chen
- RIKEN Center for Emergent Matter
Science (CEMS), 2-1 Hirosawa, Wako 351-198, Japan
| | - Fanji Wang
- RIKEN Center for Emergent Matter
Science (CEMS), 2-1 Hirosawa, Wako 351-198, Japan
- Department of Applied Chemistry Graduate
School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Tomoyuki Koganezawa
- Japan Synchrotron
Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan
| | - Keisuke Tajima
- RIKEN Center for Emergent Matter
Science (CEMS), 2-1 Hirosawa, Wako 351-198, Japan
- Precursory Research
for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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69
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Sisto TJ, Zhong Y, Zhang B, Trinh MT, Miyata K, Zhong X, Zhu XY, Steigerwald ML, Ng F, Nuckolls C. Long, Atomically Precise Donor–Acceptor Cove-Edge Nanoribbons as Electron Acceptors. J Am Chem Soc 2017; 139:5648-5651. [DOI: 10.1021/jacs.6b13093] [Citation(s) in RCA: 126] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Thomas J. Sisto
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Yu Zhong
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Boyuan Zhang
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - M. Tuan Trinh
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Kiyoshi Miyata
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Xinjue Zhong
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - X.-Y. Zhu
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | | | - Fay Ng
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Colin Nuckolls
- Department of Chemistry, Columbia University, New York, New York 10027, United States
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70
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Mateker WR, McGehee MD. Progress in Understanding Degradation Mechanisms and Improving Stability in Organic Photovoltaics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1603940. [PMID: 28004854 DOI: 10.1002/adma.201603940] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 09/12/2016] [Indexed: 05/23/2023]
Abstract
Understanding the degradation mechanisms of organic photovoltaics is particularly important, as they tend to degrade faster than their inorganic counterparts, such as silicon and cadmium telluride. An overview is provided here of the main degradation mechanisms that researchers have identified so far that cause extrinsic degradation from oxygen and water, intrinsic degradation in the dark, and photo-induced burn-in. In addition, it provides methods for researchers to identify these mechanisms in new materials and device structures to screen them more quickly for promising long-term performance. These general strategies will likely be helpful in other photovoltaic technologies that suffer from insufficient stability, such as perovskite solar cells. Finally, the most promising lifetime results are highlighted and recommendations to improve long-term performance are made. To prevent degradation from oxygen and water for sufficiently long time periods, OPVs will likely need to be encapsulated by barrier materials with lower permeation rates of oxygen and water than typical flexible substrate materials. To improve stability at operating temperatures, materials will likely require glass transition temperatures above 100 °C. Methods to prevent photo-induced burn-in are least understood, but recent research indicates that using pure materials with dense and ordered film morphologies can reduce the burn-in effect.
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71
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Tong J, An L, Li J, Zhang P, Guo P, Yang C, Su Q, Wang X, Xia Y. Large branched alkylthienyl bridged naphtho[1,2-c:5,6-c′]bis[1,2,5]thiadiazole-containing low bandgap copolymers: Synthesis and photovoltaic application. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2017. [DOI: 10.1080/10601325.2017.1265404] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Junfeng Tong
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, China
| | - Lili An
- School of Chemical Engineering, Northwest University for Nationalities, Lanzhou, China
| | - Jianfeng Li
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, China
| | - Peng Zhang
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, China
| | - Pengzhi Guo
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, China
| | - Chunyan Yang
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, China
| | - Qiang Su
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, China
| | - Xunchang Wang
- Key Laboratory for Green Chemical Process of Ministry of Education, Wuhan Institute of Technology, Wuhan, China
| | - Yangjun Xia
- Key Laboratory of Optoelectronic Technology and Intelligent Control of Ministry Education, Lanzhou Jiaotong University, Lanzhou, China
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72
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Verheyen L, Leysen P, Van Den Eede MP, Ceunen W, Hardeman T, Koeckelberghs G. Advances in the controlled polymerization of conjugated polymers. POLYMER 2017. [DOI: 10.1016/j.polymer.2016.09.085] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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73
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Bang SM, Kang S, Lee YS, Lim B, Heo H, Lee J, Lee Y, Na SI. A novel random terpolymer for high-efficiency bulk-heterojunction polymer solar cells. RSC Adv 2017. [DOI: 10.1039/c6ra27518d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A new random terpolymer, coded LGC-D013, based on TPD as the acceptor and BDT and terthiophene as the donor units, has been synthesized and characterized for donor material in bulk-heterojunction (BHJ) organic photovoltaic (OPV) application.
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Affiliation(s)
- Su-Mi Bang
- Professional Graduate School of Flexible and Printable Electronics and Polymer Materials Fusion Research Center
- Chonbuk National University
- Jeonju-si
- Republic of Korea
| | - Sungkyoung Kang
- Future Technology Research Center
- Corporate R&D
- Daejeon
- Republic of Korea
| | - You-Sun Lee
- Professional Graduate School of Flexible and Printable Electronics and Polymer Materials Fusion Research Center
- Chonbuk National University
- Jeonju-si
- Republic of Korea
| | - Bogyu Lim
- Future Technology Research Center
- Corporate R&D
- Daejeon
- Republic of Korea
| | - Hyojung Heo
- Department of Energy Systems Engineering
- Daegu Gyeongbuk Institute of Science and Technology (DGIST)
- Daegu
- Republic of Korea
| | - Jaechol Lee
- Future Technology Research Center
- Corporate R&D
- Daejeon
- Republic of Korea
| | - Youngu Lee
- Department of Energy Systems Engineering
- Daegu Gyeongbuk Institute of Science and Technology (DGIST)
- Daegu
- Republic of Korea
| | - Seok-In Na
- Professional Graduate School of Flexible and Printable Electronics and Polymer Materials Fusion Research Center
- Chonbuk National University
- Jeonju-si
- Republic of Korea
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74
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Guo P, Sun J, Sun S, Li J, Tong J, Zhao C, Zhu L, Zhang P, Yang C, Xia Y. Effect of alkylthiophene spacers and fluorine on the optoelectronic properties of 5,10-bis(dialkylthien-2-yl)dithieno[2,3-d:2′,3′-d′]benzo[1,2-b:4,5-b′]dithiophene-alt-benzothiadiazole derivative copolymers. RSC Adv 2017. [DOI: 10.1039/c6ra28836g] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The effect of inclusion of alkylthiophene and fluorine on the optoelectronic properties of copolymers from dithienobenzodithiophene and benzothiadiazole derivatives is systematically investigated.
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Affiliation(s)
- Pengzhi Guo
- Key Lab of Optoelectronic Technology and Intelligent Control of Education Ministry
- Lanzhou Jiaotong University
- Lanzhou
- China
| | - Jingbiao Sun
- Key Lab of Optoelectronic Technology and Intelligent Control of Education Ministry
- Lanzhou Jiaotong University
- Lanzhou
- China
| | - Shuo Sun
- National Laboratory for Infrared Physics
- Shanghai Institute of Technical Physics
- Chinese Academy of Sciences
- Shanghai 200083
- China
| | - Jianfeng Li
- Key Lab of Optoelectronic Technology and Intelligent Control of Education Ministry
- Lanzhou Jiaotong University
- Lanzhou
- China
| | - Junfeng Tong
- Key Lab of Optoelectronic Technology and Intelligent Control of Education Ministry
- Lanzhou Jiaotong University
- Lanzhou
- China
| | - Chuang Zhao
- Key Lab of Optoelectronic Technology and Intelligent Control of Education Ministry
- Lanzhou Jiaotong University
- Lanzhou
- China
| | - Liangjian Zhu
- Key Lab of Optoelectronic Technology and Intelligent Control of Education Ministry
- Lanzhou Jiaotong University
- Lanzhou
- China
| | - Peng Zhang
- Key Lab of Optoelectronic Technology and Intelligent Control of Education Ministry
- Lanzhou Jiaotong University
- Lanzhou
- China
| | - Chunyan Yang
- Key Lab of Optoelectronic Technology and Intelligent Control of Education Ministry
- Lanzhou Jiaotong University
- Lanzhou
- China
| | - Yangjun Xia
- Key Lab of Optoelectronic Technology and Intelligent Control of Education Ministry
- Lanzhou Jiaotong University
- Lanzhou
- China
- Centre for Polymers and Organic Solids
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75
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Balan B, Panicker JS, Nagasawa S, Saeki A, Nair VC. Synthesis and Optoelectronic Properties of Thiophene-Based Semiconducting Oligomers. ChemistrySelect 2016. [DOI: 10.1002/slct.201601547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Bijitha Balan
- Photosciences and Photonics Group; Chemical Sciences and Technology Division; CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST)
| | - Jayanthy S. Panicker
- Photosciences and Photonics Group; Chemical Sciences and Technology Division; CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST)
- Academy of Scientific and Innovative Research (AcSIR); Trivandrum 695 019 India
| | - Shinji Nagasawa
- Division of Applied Chemistry; Graduate School of Engineering; Osaka University; Japan
| | - Akinori Saeki
- Division of Applied Chemistry; Graduate School of Engineering; Osaka University; Japan
| | - Vijayakumar C. Nair
- Photosciences and Photonics Group; Chemical Sciences and Technology Division; CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST)
- Academy of Scientific and Innovative Research (AcSIR); Trivandrum 695 019 India
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76
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Synthesis and properties of thiophene- and quinoxaline-based random copolymers for organic photovoltaics. Polym Bull (Berl) 2016. [DOI: 10.1007/s00289-016-1860-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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77
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Synthesis and Characterization of Two-Dimensional Conjugated Polymers Incorporating Electron-Deficient Moieties for Application in Organic Photovoltaics. Polymers (Basel) 2016; 8:polym8110382. [PMID: 30974658 PMCID: PMC6432402 DOI: 10.3390/polym8110382] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 10/21/2016] [Accepted: 10/22/2016] [Indexed: 11/17/2022] Open
Abstract
A series of novel p-type conjugated copolymers, PTTVBDT, PTTVBDT-TPD, and PTTVBDT-DPP, cooperating benzo[1,2-b:4,5-b′]dithiophene (BDT) and terthiophene-vinylene (TTV) units with/without thieno[3,4-c]pyrrole-4,6-dione (TPD) or pyrrolo[3,4-c]pyrrole-1,4-dione (DPP) via Stille polymerization were synthesized and characterized. Copolymer PTTVBDT shows a low-lying HOMO energy level and ordered molecular-packing behavior. Furthermore, two terpolymers, PTTVBDT-TPD and PTTVBDT-DPP, display stronger absorption ability, alower-lying HOMO energy level, and preferred molecular orientation, due to the replacement TTV-monomer units with electron-deficient groups. Furthermore, bulk-heterojunction organic solar cells were fabricated using blends of the PTTVBDT-TPD, and PC61BM gave the best power conversion efficiency of 5.01% under the illumination of AM 1.5G, 100 mW·cm−2; the short circuit current (Jsc) was 11.65 mA·cm−2 which displayed a 43.8% improvement in comparison with the PTTVBDT/PC61BM device. These results demonstrate a valid strategy combining the two-dimensional molecular structure with random copolymerization strikes promising conjugated polymers to achieve highly efficient organic photovoltaics.
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78
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Branowska D, Olender E, Wysocki W, Karczmarzyk Z, Bancerz I, Ledwon P, Lapkowski M, Mirosław B, Urbańczyk-Lipkowska Z, Kalicki P. Synthesis and electrochemical characterization of oligothiophenes with 1,2,4-triazine and 5,5′-bi-1,2,4-triazine as strong electron acceptor units. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.08.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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79
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D-A conjugated polymers containing substituted thiophene, 1,3,4-oxadiazole and non-conjugation linkers: Synthesis and study of optical and electrochemical properties. J CHEM SCI 2016. [DOI: 10.1007/s12039-016-1145-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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80
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Zhylitskaya H, Cybińska J, Chmielewski P, Lis T, Stępień M. Bandgap Engineering in π-Extended Pyrroles. A Modular Approach to Electron-Deficient Chromophores with Multi-Redox Activity. J Am Chem Soc 2016; 138:11390-8. [PMID: 27533895 DOI: 10.1021/jacs.6b07826] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A family of bandgap-tunable pyrroles structurally related to rylene dyes was computationally designed and prepared using robust, easily scalable chemistry. These pyrroles show highly variable fluorescence properties and can be used as building blocks for the synthesis of electron-deficient oligopyrroles. The latter application is demonstrated through the development of π-extended porphyrins containing naphthalenediamide or naphthalenediimide units. These new macrocycles exhibit simultaneously tunable visible and near-IR absorptions, an ability to accept up to 8 electrons via electrochemical reduction, and high internal molecular free volumes. When chemically reduced under inert conditions, the most electron-deficient of these macrocycles revealed reversible formation of eight charged states, characterized by remarkably red-shifted optical absorptions, extending beyond 2200 nm. Such features make these oligopyrroles of interest as functional chromophores, charge-storage materials, and tectons for crystal engineering.
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Affiliation(s)
- Halina Zhylitskaya
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Joanna Cybińska
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland.,Wrocławskie Centrum Badań EIT+ , ul. Stabłowicka 147, 54-066 Wrocław, Poland
| | - Piotr Chmielewski
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Tadeusz Lis
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Marcin Stępień
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
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81
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Fronk SL, Wang M, Ford M, Coughlin J, Mai CK, Bazan GC. Effect of chiral 2-ethylhexyl side chains on chiroptical properties of the narrow bandgap conjugated polymers PCPDTBT and PCDTPT. Chem Sci 2016; 7:5313-5321. [PMID: 30155183 PMCID: PMC6020614 DOI: 10.1039/c6sc00908e] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 05/01/2016] [Indexed: 01/09/2023] Open
Abstract
Two narrow bandgap conjugated polymers containing chiral 2-ethylhexyl side chains were synthesized: poly[(4,4-bis(2-ethylhexyl)cyclopenta-[2,1-b:3,4-b']dithiophene)-2,6-diyl-alt-(2,1,3-benzothiadiazole)-4,7-diyl] (PCPDTBT*) and poly[(4,4-bis(2-ethylhexyl)cyclopenta[2,1-b:3,4-b0]dithiophene)-2,6-diyl-alt-[1,2,5]-thiadiazolo[3,4-c]pyridine] (PCDTPT*). The presence of a chiral substituent provides a handle to study the geometry of interchain aggregates and/or the secondary structure of these conjugated polymers in solution and in thin films via circular dichroism (CD) spectroscopy, provided that the asymmetry in the side-chain is translated to the optically active conjugated backbone. CD signals are observed for PCPDTBT* and PCDTPT* in poor solvent systems, which indicate the presence of chiral ordering in the aggregates. PCPDTBT* shows greater chiral order than PCDTPT* based on their relative anisotropy factors. Additionally, GIWAXS analysis reveals that PCPDTBT* films are more ordered than what is observed for the same polymer containing racemic 2-ethylhexyl chains. Upon solution deposition, the chiral ordering is found to translate to the solid-state microstructure for PCPDTBT* but not PCDTPT*. The presence of a pyridyl nitrogen on the thiadiazolo[3,4-c]pyridine ring of PCDTPT* favors a planar conformation for the backbone such that it has a higher rotational barrier compared to PCPDTBT*. This larger rotational barrier appears to limit the ability of PCDTPT* to adopt a helical structure or relevant chain distortions for achieving chiral aggregates.
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Affiliation(s)
- Stephanie L Fronk
- Center for Polymers and Organic Solids , University of California , Santa Barbara , California 93106 , USA .
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , USA
| | - Ming Wang
- Center for Polymers and Organic Solids , University of California , Santa Barbara , California 93106 , USA .
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , USA
| | - Michael Ford
- Center for Polymers and Organic Solids , University of California , Santa Barbara , California 93106 , USA .
- Materials Department , University of California , Santa Barbara , California 93106 , USA
| | - Jessica Coughlin
- Center for Polymers and Organic Solids , University of California , Santa Barbara , California 93106 , USA .
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , USA
| | - Cheng-Kang Mai
- Center for Polymers and Organic Solids , University of California , Santa Barbara , California 93106 , USA .
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , USA
| | - Guillermo C Bazan
- Center for Polymers and Organic Solids , University of California , Santa Barbara , California 93106 , USA .
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , USA
- Materials Department , University of California , Santa Barbara , California 93106 , USA
- King Abdulaziz University , Jeddah 21413 , Saudi Arabia
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82
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Yun JH, Park S, Heo JH, Lee HS, Yoon S, Kang J, Im SH, Kim H, Lee W, Kim B, Ko MJ, Chung DS, Son HJ. Enhancement of charge transport properties of small molecule semiconductors by controlling fluorine substitution and effects on photovoltaic properties of organic solar cells and perovskite solar cells. Chem Sci 2016; 7:6649-6661. [PMID: 28567255 PMCID: PMC5450529 DOI: 10.1039/c6sc02448c] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 07/06/2016] [Indexed: 11/21/2022] Open
Abstract
We prepared a series of small molecules based on 7,7'-(4,4-bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophene-2,6-diyl)bis(4-(5'-hexyl-[2,2'-bithiophene]-5-yl)benzo[c][1,2,5]thiadiazole) with different fluorine substitution patterns (0F-4F). Depending on symmetricity and numbers of fluorine atoms incorporated in the benzo[c][1,2,5]thiadiazole unit, they show very different optical and morphological properties in a film. 2F and 4F, which featured symmetric and even-numbered fluorine substitution patterns, display improved molecular packing structures and higher crystalline properties in a film compared with 1F and 3F and thus, 2F achieved the highest OTFT mobility, which is followed by 4F. In the bulk heterojunction solar cell fabricated with PC71BM, 2F achieves the highest photovoltaic performance with an 8.14% efficiency and 0F shows the lowest efficiency of 1.28%. Moreover, the planar-type perovskite solar cell (PSC) prepared with 2F as a dopant-free hole transport material shows a high power conversion efficiency of 14.5% due to its high charge transporting properties, which were significantly improved compared with the corresponding PSC device obtained from 0F (8.5%). From the studies, it is demonstrated that low variation in the local dipole moment and the narrow distribution of 2F conformers make intermolecular interactions favorable, which may effectively drive crystal formations in the solid state and thus, higher charge transport properties compared with 1F and 3F.
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Affiliation(s)
- Jae Hoon Yun
- Photoelectronic Hybrid Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea . .,University of Science and Technology (UST) , Daejeon 34113 , Republic of Korea
| | - Sungmin Park
- Photoelectronic Hybrid Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea . .,Department of Chemistry , Korea University , Seoul 06974 , Republic of Korea
| | - Jin Hyuck Heo
- Functional Crystallization Center (FCC) , Department of Chemical Engineering , Kyung Hee University , Yongin-si 17104 , Gyeonggi-do , Republic of Korea
| | - Hyo-Sang Lee
- Photoelectronic Hybrid Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea . .,Green School (School of Energy and Environment) , Korea University , Seoul 02792 , Republic of Korea
| | - Seongwon Yoon
- School of Chemical Engineering and Material Science , Chung-Ang University , Seoul 06974 , Republic of Korea .
| | - Jinback Kang
- Department of Physics , Sogang University , Seoul 04107 , Republic of Korea
| | - Sang Hyuk Im
- Functional Crystallization Center (FCC) , Department of Chemical Engineering , Kyung Hee University , Yongin-si 17104 , Gyeonggi-do , Republic of Korea
| | - Hyunjung Kim
- Department of Physics , Sogang University , Seoul 04107 , Republic of Korea
| | - Wonmok Lee
- Department of Chemistry , Sejong University , Seoul 05006 , Republic of Korea
| | - BongSoo Kim
- Photoelectronic Hybrid Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea . .,Department of Science Education , Ewha Womans University , Seoul , 03760 , Republic of Korea
| | - Min Jae Ko
- Photoelectronic Hybrid Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea . .,KU-KIST Graduate School of Converging Science and Technology , Korea University , Republic of Korea
| | - Dae Sung Chung
- School of Chemical Engineering and Material Science , Chung-Ang University , Seoul 06974 , Republic of Korea .
| | - Hae Jung Son
- Photoelectronic Hybrid Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea . .,University of Science and Technology (UST) , Daejeon 34113 , Republic of Korea.,Green School (School of Energy and Environment) , Korea University , Seoul 02792 , Republic of Korea
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83
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Nakamura T, Furukawa S, Nakamura E. Benzodipyrrole-based Donor-Acceptor-type Boron Complexes as Tunable Near-infrared-Absorbing Materials. Chem Asian J 2016; 11:2016-20. [DOI: 10.1002/asia.201600673] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Tomoya Nakamura
- Department of Chemistry; The University of Tokyo; 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan
| | - Shunsuke Furukawa
- Department of Chemistry; The University of Tokyo; 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan
- Department of Chemistry; Graduate School of Science and Engineering; Saitama University; 255 Shimo-okubo Sakura-ku, Saitama-city Saitama 338-8570 Japan
| | - Eiichi Nakamura
- Department of Chemistry; The University of Tokyo; 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan
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84
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He B, Zherebetskyy D, Wang H, Kolaczkowski MA, Klivansky LM, Tan T, Wang L, Liu Y. Rational tuning of high-energy visible light absorption for panchromatic small molecules by a two-dimensional conjugation approach. Chem Sci 2016; 7:3857-3861. [PMID: 30155029 PMCID: PMC6013794 DOI: 10.1039/c6sc00428h] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 02/27/2016] [Indexed: 11/21/2022] Open
Abstract
We have demonstrated a rational two-dimensional (2D) conjugation approach towards achieving panchromatic absorption of small molecules. By extending the conjugation on two orthogonal axes of an electron acceptor, namely, bay-annulated indigo (BAI), the optical absorptions could be tuned independently in both high- and low-energy regions. The unconventional modulation of the high-energy absorption is rationalized by density functional theory (DFT) calculations. Such a 2D tuning strategy provides novel guidelines for the design of molecular materials with tailored optoelectronic properties.
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Affiliation(s)
- Bo He
- The Molecular Foundry , Lawrence Berkeley National Laboratory , One Cyclotron Road , Berkeley , California 94720 , USA .
| | - Danylo Zherebetskyy
- Materials Sciences Division , Lawrence Berkeley National Laboratory , One Cyclotron Road , Berkeley , California 94720 , USA
| | - Hongxia Wang
- Beijing Key Lab of Bioprocess , College of Life Science and Technology , Beijing University of Chemical Technology , Beijing 100029 , China
| | - Matthew A Kolaczkowski
- The Molecular Foundry , Lawrence Berkeley National Laboratory , One Cyclotron Road , Berkeley , California 94720 , USA .
| | - Liana M Klivansky
- The Molecular Foundry , Lawrence Berkeley National Laboratory , One Cyclotron Road , Berkeley , California 94720 , USA .
| | - Tianwei Tan
- Beijing Key Lab of Bioprocess , College of Life Science and Technology , Beijing University of Chemical Technology , Beijing 100029 , China
| | - Linwang Wang
- Materials Sciences Division , Lawrence Berkeley National Laboratory , One Cyclotron Road , Berkeley , California 94720 , USA
| | - Yi Liu
- The Molecular Foundry , Lawrence Berkeley National Laboratory , One Cyclotron Road , Berkeley , California 94720 , USA .
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85
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Cui C, Wong WY. Effects of Alkylthio and Alkoxy Side Chains in Polymer Donor Materials for Organic Solar Cells. Macromol Rapid Commun 2016; 37:287-302. [DOI: 10.1002/marc.201500620] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 11/18/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Chaohua Cui
- Department of Chemistry and Institute of Advanced Materials; Hong Kong Baptist University; Waterloo Road Hong Kong PR China
- Laboratory of Advanced Optoelectronic Materials; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P R China
| | - Wai-Yeung Wong
- Department of Chemistry and Institute of Advanced Materials; Hong Kong Baptist University; Waterloo Road Hong Kong PR China
- HKBU Institute of Research and Continuing Education; Shenzhen Virtual University Park; Shenzhen 518057 P R China
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86
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Energetic Tuning in Spirocyclic Conjugated Polymers. Polymers (Basel) 2016; 8:polym8010009. [PMID: 30979107 PMCID: PMC6432599 DOI: 10.3390/polym8010009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Revised: 12/07/2015] [Accepted: 12/28/2015] [Indexed: 11/21/2022] Open
Abstract
Precise control of the energy levels in a conjugated polymer is the key to allowing their exploitation in optoelectronic devices. The introduction of spirocycles into conjugated polymers has traditionally been used to enhance their solid state microstructure. Here we present a highly novel method of energetic tuning through the use of electronically active spirocyclic systems. By modifying the size and oxidation state of a heteroatom in an orthogonal spirocycle we demonstrate energetic fine tuning in both the absorption and emission of a conjugated polymer. Furthermore, the synthesis of highly novel triplet-decker spirocyclic conjugated polymers is presented. This new method of energetic manipulation in a conjugated polymer paves the way for future application targeted synthesis of polymers with electronically active spirocycles.
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87
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Cao J, Qian L, Ding L. A heptacyclic acceptor unit developed for D–A copolymers used in polymer solar cells. Polym Chem 2016. [DOI: 10.1039/c5py01761k] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
A heptacyclic acceptor unit TTP and a D–A copolymer PBDTTTP based on it were synthesized. PBDTTTP:PC71BM solar cells gave a PCE of 5.53%, and the maximum Voc reached 1 V.
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Affiliation(s)
- Jiamin Cao
- National Center for Nanoscience and Technology
- Beijing 100190
- China
| | - Liu Qian
- National Center for Nanoscience and Technology
- Beijing 100190
- China
| | - Liming Ding
- National Center for Nanoscience and Technology
- Beijing 100190
- China
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88
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Antwi BY, Taylor RGD, Cameron J, Owoare RB, Kingsford-Adaboh R, Skabara PJ. Acceptor–donor–acceptor small molecules based on derivatives of 3,4-ethylenedioxythiophene for solution processed organic solar cells. RSC Adv 2016. [DOI: 10.1039/c6ra22897f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Investigation into the use of EDOT as a central donor unit in A–D–A small molecules for OPV devices.
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Affiliation(s)
- B. Y. Antwi
- Department of Chemistry
- University of Ghana
- Accra
- Ghana
- WestCHEM
| | - R. G. D. Taylor
- WestCHEM
- Department of Pure and Applied Chemistry
- University of Strathclyde
- Glasgow
- United Kingdom
| | - J. Cameron
- WestCHEM
- Department of Pure and Applied Chemistry
- University of Strathclyde
- Glasgow
- United Kingdom
| | - R. B. Owoare
- Department of Chemistry
- University of Ghana
- Accra
- Ghana
| | | | - P. J. Skabara
- WestCHEM
- Department of Pure and Applied Chemistry
- University of Strathclyde
- Glasgow
- United Kingdom
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89
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Hsiow CY, Lin YH, Raja R, Rwei SP, Chiu WY, Dai CA, Wang L. Modified structure of two-dimensional polythiophene derivatives by incorporating electron-deficient units into terthiophene-vinylene conjugated side chains and the polymer backbone: synthesis, optoelectronic and self-assembly properties, and photovoltaic application. RSC Adv 2016. [DOI: 10.1039/c6ra11738d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Molecular engineering on the conjugated side chains of two-dimensional (2D) conjugated polymers was conducted and its effect on the optical, electronic, self-assembly and photovoltaic properties was investigated.
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Affiliation(s)
- Chuen-Yo Hsiow
- Center for Condensed Matter Sciences
- National Taiwan University
- 10617 Taipei
- Taiwan
- Joint Center for Artificial Photosynthesis
| | - Yu-Hsiang Lin
- Institute of Organic and Polymeric Materials
- National Taipei University of Technology
- 10608 Taipei
- Taiwan
| | - Rathinam Raja
- Center for Condensed Matter Sciences
- National Taiwan University
- 10617 Taipei
- Taiwan
| | - Syang-Peng Rwei
- Institute of Organic and Polymeric Materials
- National Taipei University of Technology
- 10608 Taipei
- Taiwan
| | - Wen-Yen Chiu
- Department of Chemical Engineering
- National Taiwan University
- 10617 Taipei
- Taiwan
| | - Chi-An Dai
- Department of Chemical Engineering
- National Taiwan University
- 10617 Taipei
- Taiwan
| | - Leeyih Wang
- Center for Condensed Matter Sciences
- National Taiwan University
- 10617 Taipei
- Taiwan
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90
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Ren J, Zhang Y, Liu F, Yan Y, Qiu M, Roy VAL, Zheng H, Sun M, Yang R. (E)-1,2-Di(thiophen-2-yl)ethene based high mobility polymer for efficient photovoltaic devices without any post treatment. RSC Adv 2016. [DOI: 10.1039/c6ra13970a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The ethene based polymer shows better photovoltaic performance.
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Affiliation(s)
- Junzhen Ren
- Institute of Material Science and Engineering
- Ocean University of China
- Qingdao 266100
- People's Republic of China
| | - Yongchao Zhang
- CAS Key Laboratory of Bio-based Materials
- Qingdao Institute of Bioenergy and Bioprocess Technology
- Chinese Academy of Sciences
- Qingdao 266101
- People's Republic of China
| | - Fushuai Liu
- Institute of Material Science and Engineering
- Ocean University of China
- Qingdao 266100
- People's Republic of China
| | - Yan Yan
- Center of Super-Diamond and Advanced Films (COSDAF)
- City University of Hong Kong
- China
| | - Meng Qiu
- CAS Key Laboratory of Bio-based Materials
- Qingdao Institute of Bioenergy and Bioprocess Technology
- Chinese Academy of Sciences
- Qingdao 266101
- People's Republic of China
| | - V. A. L. Roy
- Center of Super-Diamond and Advanced Films (COSDAF)
- City University of Hong Kong
- China
| | - Huilin Zheng
- Institute of Material Science and Engineering
- Ocean University of China
- Qingdao 266100
- People's Republic of China
| | - Mingliang Sun
- Institute of Material Science and Engineering
- Ocean University of China
- Qingdao 266100
- People's Republic of China
| | - Renqiang Yang
- CAS Key Laboratory of Bio-based Materials
- Qingdao Institute of Bioenergy and Bioprocess Technology
- Chinese Academy of Sciences
- Qingdao 266101
- People's Republic of China
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91
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Brzeczek A, Piwowar K, Domagala W, Mikołajczyk MM, Walczak K, Wagner P. Systematic elongation of thienyl linkers and their effect on optical and electrochemical properties in carbazole–BODIPY donor–acceptor systems. RSC Adv 2016. [DOI: 10.1039/c6ra04984b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Synthesis, spectral and electrochemical properties of a series of new panchromatic BODIPY donor–acceptor–donor derivatives, comprising carbazole conjugated with systematically elongated framework by thiophene – based linkers were investigated.
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Affiliation(s)
- Alina Brzeczek
- ARC Centre of Excellence for Electromaterials Science and the Intelligent Polymer Research Institute
- University of Wollongong
- Australia
- Faculty of Chemistry
- Silesian University of Technology
| | - Katarzyna Piwowar
- ARC Centre of Excellence for Electromaterials Science and the Intelligent Polymer Research Institute
- University of Wollongong
- Australia
- Faculty of Chemistry
- Silesian University of Technology
| | - Wojciech Domagala
- Faculty of Chemistry
- Silesian University of Technology
- 44-100 Gliwice
- Poland
| | - Mikołaj M. Mikołajczyk
- Faculty of Chemistry
- Silesian University of Technology
- 44-100 Gliwice
- Poland
- Wrocław University of Technology
| | - Krzysztof Walczak
- Faculty of Chemistry
- Silesian University of Technology
- 44-100 Gliwice
- Poland
| | - Pawel Wagner
- ARC Centre of Excellence for Electromaterials Science and the Intelligent Polymer Research Institute
- University of Wollongong
- Australia
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92
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Ie Y, Sasada S, Karakawa M, Aso Y. Synthesis, Properties, and Photovoltaic Performance of a Donor-Acceptor Copolymer Having Pyradinobisthiazole as the Acceptor Unit. J PHOTOPOLYM SCI TEC 2016. [DOI: 10.2494/photopolymer.29.571] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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93
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Han J, Yin H, Liu C, Wang J, Jian X. Donor–acceptor copolymers containing phthalazinone–thiophene structure synthesized by low-cost copper-catalyzed Ullmann polymerization. RSC Adv 2016. [DOI: 10.1039/c5ra21246d] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
We present a low-cost copper-catalyzed Ullmann polycondensation of phthalazinone based monomers, which provides access to polyarylethers and conjugated polymers.
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Affiliation(s)
- Jianhua Han
- Polymer Science & Materials
- Chemical Engineering College
- Dalian University of Technology
- Dalian
- China
| | - Haoyue Yin
- Polymer Science & Materials
- Chemical Engineering College
- Dalian University of Technology
- Dalian
- China
| | - Cheng Liu
- Polymer Science & Materials
- Chemical Engineering College
- Dalian University of Technology
- Dalian
- China
| | - Jinyan Wang
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian
- China
| | - Xigao Jian
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian
- China
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94
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Huang H, Li Q, Qiu M, Wang Z, Zhang X, Liu S, Fu N, Zhao B, Yang R, Huang W. D–A conjugated polymers based on thieno[3,2-b]indole (TI) and 2,1,3-benzodiathiazole (BT) derivatives: synthesis, characterization and side-chain influence on photovoltaic properties. RSC Adv 2016. [DOI: 10.1039/c6ra05413g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Thieno[3,2-b]indole (TI) derivatives were developed via Cadogan annulation for constructing D–A copolymers. Their performance in photovoltaic cells were finely tuned by side-chain engineering.
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95
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SambathKumar B, Varathan E, Subramanian V, Somanathan N. Design of medium band gap random terpolymers containing fluorene linked diketopyrrolopyrrole and thiophene co-monomers: an experimental and theoretical study. NEW J CHEM 2016. [DOI: 10.1039/c5nj02072g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Six different random terpolymers were synthesised and their optoelectronic properties were fine-tuned by varying the thiophene strength.
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Affiliation(s)
- B. SambathKumar
- CSIR -Central Leather Research Institute
- (CSIR)-CLRI
- Chennai-600020
- India
- CSIR-Network of Institutes for Solar Energy
| | - E. Varathan
- CSIR -Central Leather Research Institute
- (CSIR)-CLRI
- Chennai-600020
- India
- CSIR-Network of Institutes for Solar Energy
| | - V. Subramanian
- CSIR -Central Leather Research Institute
- (CSIR)-CLRI
- Chennai-600020
- India
- CSIR-Network of Institutes for Solar Energy
| | - N. Somanathan
- CSIR -Central Leather Research Institute
- (CSIR)-CLRI
- Chennai-600020
- India
- CSIR-Network of Institutes for Solar Energy
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96
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Bessette A, Cibian M, Ferreira JG, DiMarco BN, Bélanger F, Désilets D, Meyer GJ, Hanan GS. Azadipyrromethene cyclometalation in neutral RuII complexes: photosensitizers with extended near-infrared absorption for solar energy conversion applications. Dalton Trans 2016; 45:10563-76. [DOI: 10.1039/c6dt00961a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
In the on-going quest to harvest near-infrared (NIR) photons for energy conversion applications, a novel family of neutral ruthenium(ii) sensitizers has been developed by cyclometalation of an azadipyrromethene chromophore.
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Affiliation(s)
- André Bessette
- Département de Chimie
- Université de Montréal
- Montréal
- Canada
- PCAS Canada Inc. (http://www.pcas.com)
| | - Mihaela Cibian
- Département de Chimie
- Université de Montréal
- Montréal
- Canada
| | | | - Brian N. DiMarco
- Departments of Chemistry and Materials Science & Engineering
- The University of North Carolina at Chapel Hill
- Chapel Hill
- USA
| | | | | | - Gerald J. Meyer
- Departments of Chemistry and Materials Science & Engineering
- The University of North Carolina at Chapel Hill
- Chapel Hill
- USA
| | - Garry S. Hanan
- Département de Chimie
- Université de Montréal
- Montréal
- Canada
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97
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Wan D, Yang Y, Liu X, Li M, Zhao S, You J. Radical Cyclization of Arenesulfonyl Chlorides and Alkynes: A Rapid Access to π-Conjugated Benzothiophenes. European J Org Chem 2015. [DOI: 10.1002/ejoc.201501439] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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98
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99
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Hemavathi B, Ahipa T, Pillai S, Pai RK. Cyanopyridine based conjugated polymer-synthesis and characterization. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.09.053] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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100
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