Abstract: The present specification relates to a photoactive layer including: an electron donor; and an electron acceptor, in which the electron donor includes: a single molecular material; and a polymer material, and the single molecular material is represented by Formula 1, and an organic solar cell including the same.

Abstract: A perovskite light emitting diode having degradation of the characteristics of the light emitting device, caused by PEDOT:PSS can be improved by replacing PEDOT:PSS contained in a conventional hole transport layer with an anionic conjugated polymer having ammonium-based counter ions, and the light emission characteristics can be greatly improved by passivating defects of a perovskite light emitting layer with a hole transport layer containing a conjugated polymer and increasing crystal growth.

Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. Applying the organic compound into an emissive layer makes the OLED and the organic light emitting device lower their driving voltage, improves their luminous efficiency and color purity.

Abstract: The present specification relates to a photoactive layer including: an electron donor; and an electron acceptor, in which the electron donor includes: a single molecular material; and a polymer material, and the single molecular material is represented by Formula 1, and an organic solar cell including the same.

Abstract: The present invention relates to a novel polymeric material for a highly efficient organic thin-film solar cell with high hole mobility and power conversion efficiency. In the polymeric material, a compound containing an electron donating group represented by Formula 1 or 2 and a compound containing an electron accepting group represented by one of Formulae 3 to 8 are repeatedly introduced in an alternating manner.

Abstract: The present invention relates to a novel polymeric material for a highly efficient organic thin-film solar cell with high hole mobility and power conversion efficiency. In the polymeric material, a compound containing an electron donating group represented by Formula 1 or 2 and a compound containing an electron accepting group represented by one of Formulae 3 to 8 are repeatedly introduced in an alternating manner.

Abstract: Chromophores having two-photon or other multi-photon absorptivity. The chromophores are based on a structure of four stilbenoid groups attached to a paracyclophane core, where each stilbenoid group comprises a nitrogen-containing organic group attached by its nitrogen atom to a stilbenoid arm. In particular embodiments, at least one of the stilbenoid groups includes a sulfonium, ammonium, selenium, iodonium or phosphonium moiety. The chromophores have utility as photo-polymerization initiators and two-photon fluorophores for biological imaging.

Abstract: This invention pertains to DTT-based compounds having two-photon absorption property containing electron donors and/or electron acceptors and having cross section value &sgr; that is higher than compound AF-50.