94544-77-1Relevant academic research and scientific papers
Steady enhancement in photovoltaic properties of fluorine functionalized quinoxaline-based narrow bandgap polymer
Wu, Zhonglian,Jiang, Huanxiang,Wang, Xingzhu,Yan, Lei,Zeng, Wei,Wu, Xiu-Gang,Zhuang, Haiyu,Zhu, Wen,Yang, Renqiang
, (2019)
To investigate the influence of fluoride phenyl side-chains onto a quinoxaline (Qx) unit on the photovoltaic performance of the narrow bandgap (NBG) photovoltaic polymers, herein, two novel NBG copolymers, PBDTT-DTQx and PBDTT-DTmFQx, were synthesized and
Luminescent solar concentrators with outstanding optical properties by employment of D-A-D quinoxaline fluorophores
Battisti, Antonella,Calamante, Massimo,Charaf, Rima,Coppola, Carmen,De Jong, Bastiaan,Di Donato, Mariangela,Foggi, Paolo,Mordini, Alessandro,Papucci, Costanza,Pucci, Andrea,Reginato, Gianna,Sinicropi, Adalgisa,Taddei, Maria,Zani, Lorenzo
supporting information, p. 15608 - 15621 (2021/11/30)
Luminescent solar concentrators (LSCs) are devices designed to efficiently collect both direct and diffuse solar radiation and concentrate it on photovoltaic cells to foster their use in building-integrated photovoltaics (BIPV). The optimization of LSC performances involves the adjustment of both the fluorophore and the guest polymer matrix. On this account, we investigated a series of high quantum yield, donor-acceptor-donor (D-A-D) photostable fluorophores (DQ1-5), presenting a central quinoxalinic acceptor core, not previously employed in LSCs, and triarylamines or phenothiazine as donor groups. The molecules were also decorated with alkyl chains on the central core and/or the donor groups, to explore their compatibility with the poly(methyl methacrylate) (PMMA) and poly(cyclohexyl methacrylate) (PCMA) matrices utilized in this study. The PMMA and PCMA films (25 μm thick), containing 0.2-2.2 wt% of DQ1-5, absorbed in the 370-550 nm range and presented emission maxima at 550-600 nm, with fluorescence quantum yields higher than 40% even at the highest doping contents. Notably, the DQ1/PMMA thin-films showed enhanced phase compatibility and excellent quantum yields, i.e., >95%. Accordingly, they were designed to obtain 25 cm2 area LSCs with remarkable internal (ηint) and external (ηext) photon efficiencies of 42.9% and 6.2%, respectively, higher than those observed from state-of-the-art devices based on the Lumogen Red 305 (LR305) as the reference fluorophore. Overall, these were the best results ever achieved in our laboratory for thin-film LSCs built with organic fluorescent emitters.
Decoration of conjugated polyquinoxaline dots on mesoporous TiO2 nanofibers for visible-light-driven photocatalysis
Jo, Seonyoung,Kim, Hyunchul,Lee, Taek Seung
, (2021/05/31)
The photocatalysis of a heterostructured composite material composed of conjugated polymer dots (CPdots) on the surface of TiO2 nanofibers was investigated in terms of organic dye degradation, photooxidative coupling, and reduction under visibl
Organic monomolecular compound, organic light emitting device or energy conversion device comprising the same
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Paragraph 0087; 0107-0109, (2021/10/05)
An organic single molecule compound comprising a quinoxaline compound and a phosphine oxide-based compound. The present invention relates to an organic light emitting device or an energy conversion device, and an organic single molecule compound of the present invention is represented by chemical formula 1 -1 or Formula 2 -1. Chemical Formula 1 -1. Chemical Formula 2 -1.
Triphenylamine quinoxaline malononitrile, synthesis method thereof and method for detecting CN
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Paragraph 0042; 0062-0064, (2021/07/01)
The invention discloses triphenylaminoquinoxaline malononitrile, a synthesis method thereof and a method for detecting CN. The molecular formula of the triphenylaminoquinoxaline malononitrile is shown in the specification. The synthesis method of the t
Narrow band gap benzodithiophene and quinoxaline bearing conjugated polymers for organic photovoltaic applications
Aslan, Sultan Taskaya,Caliskan, Meric,Cirpan, Ali,Erer, Mert Can,Toppare, Levent,Udum, Yasemin Arslan
, (2020/08/14)
The reasonable selection and optimization of donor-acceptor units allow the band gap tuning as well as the light absorption ability and the energy levels of the photoactive layer of Bulk Heterojunction (BHJ) solar cells. In this work, a series of new quin
Side chain engineering of quinoxaline-based small molecular nonfullerene acceptors for high-performance poly(3-hexylthiophene)-based organic solar cells
Xiao, Bo,Zhang, Qianqian,Li, Gongqiang,Du, Mengzhen,Geng, Yanfang,Sun, Xiangnan,Tang, Ailing,Liu, Yingliang,Guo, Qiang,Zhou, Erjun
, p. 254 - 264 (2019/12/24)
Poly(3-hexylthiophene) (P3HT) is one of the most used semiconducting polymers for organic photovoltaics because it has potential for commercialization due to its easy synthesis and stability. Although the rapid development of the small molecular non-fulle
HETEROCYCLIC COMPOUND AND ORGANIC PHOTOVOLTAIC DEVICE COMPRISING THE SAME
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Paragraph 0188-0191, (2019/10/08)
The present specification relates to a heterocyclic compound of the chemical formula 1 and an organic photoelectric device comprising the same. The heterocyclic compound according to an embodiment of the present specification has a wide wavelength width o
High-Performance Organic Dyes with Electron-Deficient Quinoxalinoid Heterocycles for Dye-Sensitized Solar Cells under One Sun and Indoor Light
Jiang, Man Ling,Wen, Jun-Jie,Chen, Zi-Ming,Tsai, Wen-Hsuan,Lin, Tzu-Chau,Chow, Tahsin J.,Chang, Yuan Jay
, p. 3654 - 3665 (2019/07/12)
A series of Y-shaped sensitizers incorporating quinoxaline or quinoxalinoid moieties were prepared and applied in dye-sensitized solar cells (DSSCs). By the introduction of quinoxalinoid functionalities, the absorption extinction coefficients could be enh
Triphenylamine hole transport material containing quinoxaline units, and preparation method and application of triphenylamine hole transport material
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Paragraph 0029; 0033; 0034; 0035, (2018/07/30)
The invention belongs to the field of energy materials, and particularly relates to a preparation method and application of a triphenylamine hole transport material containing quinoxaline units. The triphenylamine hole transport material has a structure represented by a formula (I), wherein, R1 is an aromatic ring group or an aromatic heterocycle group, R2 is a hydrogen or halogen atom, and R3 ishydrogen or C1-C6 alkoxy group.
