ChemInform Abstract: Electron Acceptors of the Fluorene Series. Part 10. Novel Acceptors Containing Butylsulfanyl, Butylsulfinyl, and Butylsulfonyl Substituents: Synthesis, Cyclic Voltammetry, Charge‐Transfer Complexation with Anthracene in Solution, and X‐Ray Crystal Structures of Two Tetrathiafulvalene Complexes.

Abstract

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Synthesis and Ultrafast Dynamics of a Donor–Acceptor–Donor Molecule Having Optoelectronic Properties

“…Push-pull molecules having electron-withdrawing (acceptor) and electron-donating substituents (donor) with spacers that enhance π-conjugation play a vital role in the efficiency of various optoelectronic materials 1 such as, organic photovolataics (OPV) 2,3 , dye sensitized solar cell (DSSC), [4][5][6] , organic light emitting diodes (OLED) [7][8][9][10][11][12][13] , and materials showing 2-photon absorption (2-PA) [14][15][16][17] , non-linear optics (NLO) [18][19][20][21][22][23][24] .The separation of charges in the excited state is a prerequisite for the application of these molecules in optoelectronic devices.…”

“…6 synthesized a series of donor-acceptor molecules for NLO applications using intra molecular charge transfer within the D-A molecule and further formation of intermolecular charge-transfer complexes (CTC) with anthracene and other molecules. 23,24 Derivatives of carbazole form one of the most efficient hole transporting materials and ambipolar host materials 33 in OLEDs. Conjugates of carbazole and fluorene have been used to synthesize host materials for green, red 34 and blue 35 phosphorescence OLEDs.…”