High‐Performance Ambipolar Polymers Based on Electron‐Withdrawing Group Substituted Bay‐Annulated Indigo
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201804839
Abstract: For donor–acceptor conjugated polymers, it is an effective strategy to improve their electron mobilities by introducing electron‐withdrawing groups (EWGs, such as F, Cl, or CF3) into the polymer backbone. However, the introduction of different EWGs… read more here.
Keywords: high performance; electron withdrawing; performance ambipolar; annulated indigo ... See more keywords
Metal‐free iodine‐mediated deoxygenation of alcohols in the position α to electron‐withdrawing groups
Sign Up to like & getrecommendations! Published in 2018 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.201800051
Abstract: The use of a substoichiometric amount of molecular iodine in the presence of PPh3 and pyridine effects a direct deoxygenation of primary and secondary alcohols in positions α to a variety of activating electron‐withdrawing groups,… read more here.
Keywords: electron withdrawing; withdrawing groups; metal free; free iodine ... See more keywords
Synthesis of Porphyrinoids, BODIPYs, and (Dipyrrinato)ruthenium(II) Complexes from Prefunctionalized Dipyrromethanes
Sign Up to like & getrecommendations! Published in 2019 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.201900530
Abstract: The introduction of functional groups into the mesoposition of dipyrromethanes, boron-dipyrromethenes (BODIPYs) and porphyrinoids, is of fundamental importance in designing such dye systems for material sciences or photomedicine. One route that has proven to be… read more here.
Keywords: electron withdrawing; synthesis; porphyrins corroles; ruthenium ... See more keywords
Regulating the Active Sites of Metal-Phthalocyanine at the Molecular Level for Efficient Water Electrolysis: Double Deciphering of Electron-Withdrawing Groups and Bimetallic.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202207243
Abstract: Implementing a molecular modulation strategy for metallic phthalocyanines (MPc) without losing the activity of the metal center and inducing a multifunction characteristic in electrocatalytic remains a challenge. Herein, a series of 2D CuCo bimetallic polymerized… read more here.
Keywords: electron withdrawing; active sites; water; withdrawing groups ... See more keywords
Theoretical study on the effect of spacer groups on the nonlinear optical properties of polyvinyl carbazole molecular fragments
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DOI: 10.1007/s11224-020-01504-0
Abstract: In this paper, polyvinyl carbazole fragments with side-hung chromogenic groups were used as the parent. The relationship between the structure and the properties of NLO was studied by changing the type of spacer groups on… read more here.
Keywords: electron withdrawing; spacer; spacer group; group ... See more keywords
Synthesis of Quinoxaline-Based Small Molecules Possessing Multiple Electron-Withdrawing Moieties for Photovoltaic Applications
Sign Up to like & getrecommendations! Published in 2019 at "Macromolecular Research"
DOI: 10.1007/s13233-020-8002-7
Abstract: Three quinoxaline-based small molecules possessing multiple electron-withdrawing moieties were synthesized by the Suzuki coupling reaction for organic photovoltaic cells (OPVs). The electron-donating triarylamine units were linked to both ends of electron-accepting 2,3-diphenyl quinoxaline (DPQ) derivatives… read more here.
Keywords: electron withdrawing; small molecules; based small; quinoxaline based ... See more keywords
Impact of an electron withdrawing group on the thiophene-fused benzotriazole unit on the photovoltaic performance of the derived polymer solar cells
Sign Up to like & getrecommendations! Published in 2019 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2019.03.056
Abstract: Abstract In this work, two new donor-acceptor (D-A) copolymers (P32 and P33) for non-fullerene polymer solar cells (PSCs) have been synthesized based on a thiophene-fused benzotriazole (BTAZT) unit and thiophene substituted benzodithiophene (BDTT) unit, in… read more here.
Keywords: electron withdrawing; solar cells; thiophene; polymer solar ... See more keywords
Non-fullerene electron acceptors constructed by four strong electron-withdrawing end groups: Potential to improve the photoelectric performance of organic solar cells by theoretical investigations
Sign Up to like & getrecommendations! Published in 2020 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2020.108542
Abstract: Abstract Recent advances in non-fullerene acceptors have enabled the power conversion efficiencies of organic solar cells (OSCs) to exceed 16%. Fused-ring electron acceptors (FREAs) are some of the most widely investigated non-fullerene acceptors. Classical FREAs,… read more here.
Keywords: electron withdrawing; non fullerene; strong electron; end groups ... See more keywords
Dimeric dithiafulvene sensitizers involving a 1,3,4-oxadiazole as auxiliary acceptor and pyridine as electron-withdrawing anchoring group for efficient dye sensitized solar cells
Sign Up to like & getrecommendations! Published in 2021 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2021.109483
Abstract: Abstract Two dimeric dithiafulvene based sensitizers D-DTFPy6 and D-DTFPy7 with pyridine as electron-withdrawing anchoring group were synthesized, and the effect of the involving of 1,3,4-oxadiazole as auxiliary acceptor on bulk properties, such as photophysical and… read more here.
Keywords: oxadiazole auxiliary; electron withdrawing; auxiliary acceptor; acceptor ... See more keywords
A computational study of electrocatalytic CO2 reduction by Mn(I) complexes: Role of bipyridine substituents
Sign Up to like & getrecommendations! Published in 2019 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2018.11.210
Abstract: Abstract Using density functional theory (DFT), a series of Mn(4,4′-R-bpy)(CO)3Br (bpy = 2,2′-bipyridine, R = CN, CF3, COOH, H, CH3, tBu, and OCH3) complexes has been studied for electrocatalytic CO2 to CO reduction. Here, we show that the formation… read more here.
Keywords: co2 reduction; electron withdrawing; electrocatalytic co2; reduction ... See more keywords
Making the family portrait complete: Synthesis of Electron Withdrawing Group activated Hoveyda-Grubbs catalysts bearing sulfone and ketone functionalities
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2020.121276
Abstract: Abstract Synthesis of five Electron Withdrawing Group (EWG) activated Hoveyda-Grubbs’ catalysts containing thioperfluoroalkyl, sulfone and ketone functions is reported. The catalytic activity of these catalysts was well correlated with the σp values of the Hammett… read more here.
Keywords: electron withdrawing; grubbs catalysts; sulfone ketone; withdrawing group ... See more keywords