Photoinduced reversible isomerization of 9H-fluorene into 1H-fluorene by means of hydrogen-atom migration and the lowest electronically excited triplet state studied by matrix-isolation FTIR spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2018.11.011
Abstract: Abstract Photoinduced reversible intramolecular hydrogen-atom migration between 9H-fluorene and 1H-fluorene isolated in an Ar matrix is found by FTIR spectroscopy with an aid of DFT calculation. The forward isomerization from 9H-fluorene to 1H-fluorene occurs upon… read more here.
Keywords: fluorene; spectroscopy; hydrogen atom; fluorene fluorene ... See more keywords
Synthesis, curing characteristics, and kinetics of tetra-functional fluorene-based benzoxazines having saturated aliphatic groups
Sign Up to like & getrecommendations! Published in 2020 at "Materials today communications"
DOI: 10.1016/j.mtcomm.2020.101788
Abstract: Abstract In this paper, a novel series of tetra-functional fluorene-based benzoxazine monomers (SAMFB) were obtained by o-hydroxy-benzylamine method combining with Mannich condensation reaction. Compared with the traditional three-step method, the synthesis of asymmetric benzoxazine reduced… read more here.
Keywords: fluorene; tetra functional; curing characteristics; fluorene based ... See more keywords
Simply designed nonspiro fluorene-based hole-transporting materials for high performance perovskite solar cells
Sign Up to like & getrecommendations! Published in 2019 at "Synthetic Metals"
DOI: 10.1016/j.synthmet.2019.02.011
Abstract: Abstract Organic small molecule hole-transporting materials are considerably convenient to prepare and tailor for acquiring the superiorly optoelectronic behaviors. In this work, taking the prototypical spiro-bifluorene core in conventional spiro-OMeTAD (2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenylamine)-9,9′-spirobifluorene) as reference, we present… read more here.
Keywords: fluorene; transporting materials; perovskite solar; performance ... See more keywords
Explorations of the Indenofluorenes and Expanded Quinoidal Analogues.
Sign Up to like & getrecommendations! Published in 2017 at "Accounts of chemical research"
DOI: 10.1021/acs.accounts.7b00004
Abstract: Highly conjugated hydrocarbons have attracted interest for use as active materials in electronic devices such as organic field effect transistors (OFET) and organic photovoltaics (OPV). In this Account, we review our progress in synthesizing and… read more here.
Keywords: indeno fluorene; fluorene; fluorene derivatives; character ... See more keywords
Construction of an Axially Chiral Fluorene Nitrile-Based Framework via Benzannulation of Indene Diene with Benzoylacetonitrile.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c03179
Abstract: The methodology for the synthesis of fluorene-based atropisomers was developed via the strategy of aromatic ring formation. By this strategy, an efficient benzannulation of indene-based diene with benzoylacetonitrile divergently promoted by DABCO and a chiral… read more here.
Keywords: benzannulation indene; fluorene; diene benzoylacetonitrile;
Electric-Field-Induced Excimer Formation at the Interface of Deep-Blue Emission Poly(9,9-dioctyl-2,7-fluorene) with Polyelectrolyte or Its Precursor as Electron-Injection Layer in Polymer Light-Emitting Diode and Its Prevention for Stable Emission and Higher Performance.
Sign Up to like & getrecommendations! Published in 2018 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.8b03378
Abstract: Conjugated polyelectrolytes and their precursors as electron-injection layer (EIL) in polymer light-emitting diode have attracted extensive attention because they allow the use of environmentally stable high work function metals as cathode with efficient electron injection.… read more here.
Keywords: layer; fluorene; poly; polyelectrolyte ... See more keywords
High-Performance Electrofluorochromic Switching Devices Using a Novel Arylamine-Fluorene Redox-Active Fluorophore.
Sign Up to like & getrecommendations! Published in 2019 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b01656
Abstract: Fluorescent light modulation by small electric potentials has gained huge interest in the past few years. This phenomenon, called electrofluorochromism, is of the utmost importance for applications in optoelectronic devices. Huge efforts are being addressed… read more here.
Keywords: fluorene; electrofluorochromic switching; devices using; switching devices ... See more keywords
Vinyl-Fluorene Molecular Wires for Voltage Imaging with Enhanced Sensitivity and Reduced Phototoxicity.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c04543
Abstract: Fluorescent voltage indicators are an attractive alternative for studying the electrical activity of excitable cells; however, the development of indicators that are both highly sensitive and low in toxicity over long-term experiments remains a challenge.… read more here.
Keywords: voltage; fluorene molecular; fluorene; sensitivity ... See more keywords
Fluorescence control of chitin and chitosan fabricated via surface functionalization using direct oxidative polymerization
Sign Up to like & getrecommendations! Published in 2018 at "RSC Advances"
DOI: 10.1039/c8ra00287h
Abstract: The copolymer of 3-hexylthiophene (3HT) and fluorene (F) was directly grafted onto chitin and chitosan using FeCl3 as an oxidant. The properties of the grafted chitin/chitosan were characterized by Fourier transform infrared (FT-IR) spectroscopy, UV-Vis… read more here.
Keywords: fluorene; fluorescence; spectroscopy; chitin chitosan ... See more keywords
Synthesis and luminescent property of fluorene-xanthene derivatives for new blue emitters
Sign Up to like & getrecommendations! Published in 2019 at "Molecular Crystals and Liquid Crystals"
DOI: 10.1080/15421406.2019.1597551
Abstract: Abstract We have synthesized blue emitting compounds, DBI-SFX and SBF-SFX, by incorporating fluorene-9,9'-xanthene as main chromophore and introducing 1,2-diphenyl-1H-benzoimidazole and spirobi[fluorene] group. 1,2-Diphenyl-1H-benzoimidazole, 9,9’-spirobi[fluorene], and fluorene-9,9’-xanthene moieties were used to synthesize new blue emitters. The… read more here.
Keywords: sbf sfx; fluorene xanthene; new blue; fluorene ... See more keywords
Hexabrominated porphyrins in the synthesis of fluorene-containing polyphenols
Sign Up to like & getrecommendations! Published in 2017 at "Doklady Chemistry"
DOI: 10.1134/s0012500817040085
Abstract: A new strategy for the synthesis of fluorene-containing polyphenols of porphyrin series by the Suzuki–Miyaura reaction of hexabromoporphyrin and monoboryl derivative of substituted fluorene has been proposed. Several sequential chemical transformations of the prepared porphyrin… read more here.
Keywords: containing polyphenols; fluorene; fluorene containing; porphyrins synthesis ... See more keywords