An osmium-containing conjugated polymer and methods thereof. A structural formula of the osmium-containing conjugated polymer is formula I, a reaction formula of the osmium-containing conjugated polymer is a formula II.

The present invention is related to the detection of formaldehyde concentrations in the air by using a coordination polymer, which comprises repeating coordination complexes with an octahedral geometry, wherein said coordination complex comprises iron (II), at least one ligand comprising an amino moiety; wherein the coordination polymer further comprises counter-ions; for the identification and/or quantification of formaldehyde.

The invention relates to novel organic semiconducting compounds containing a polycyclic unit, to methods for their preparation and educts or intermediates used therein, to compositions, polymer blends and formulations containing them, to the use of the compounds, compositions and polymer blends as organic semiconductors in, or for the preparation of, organic electronic (OE) devices, especially organic photovoltaic (OPV) devices, perovskite-based solar cell (PSC) devices, organic photodetectors (OPD), organic field effect transistors (OFET) and organic light emitting diodes (OLED), and to OE, OPV, PSC, OPD, OFET and OLED devices comprising these compounds, compositions or polymer blends.

The present invention relates to an organic light-emitting diode exhibiting high efficiency and longevity. The organic light-emitting diode comprises: a first electrode; a second electrode facing the first electrode; and a light-emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of the amine compounds represented by Chemical Formula A or Chemical Formula B and at least one of the compounds represented by Chemical Formulas H1 to H7, Chemical Formulas A, B, and H1 to H7 being the same as in the specification.

A method for preparing a conjugated polymer involves a DHAP polymerization of a 3,4-dioxythiophene, 3,4-dioxyfuran, or 3,4-dioxypyrrole and, optionally, at least one second conjugated monomer in the presence of a Pd or Ni comprising catalyst, an aprotic solvent, a carboxylic acid at a temperature in excess of 120° C. At least one of the monomers is substituted with hydrogen reactive functionalities and at least one of the monomers is substituted with a Cl, Br, and/or I. The polymerization can be carried out at temperature of 140° C. or more, and the DHAP polymerization can be carried out without a phosphine ligand or a phase transfer agent. The resulting polymer can display dispersity less than 2 and have a degree of polymerization in excess of 10.

Water-soluble, conjugated polymers containing one or more dibenzosilole monomer residues, as well as compositions, kits, and methods of making and using such polymers are disclosed. Also disclosed are dibenzosilole derivatives substituted with one or more water-solubilizing groups, and methods of making and using such derivatives to prepare water-soluble dibenzosilole polymers.

This disclosure relates generally to electrochromic polymers that include a plurality of π-conjugated chromophores in spaced relation with one another, and a plurality of conjugation-break spacers (CBSs), where at least one CBS separates adjacent chromophores. The chromophores may be colored in the neutral state, and multicolored to transmissive in different oxidization states.

A carbazole compound represented by Formula 1: ##STR00001## wherein in Formula 1, groups and variables are the same as defined in the specification.

A conjugated light-emitting polymer comprising a host repeat unit and an intermediate repeat unit in a backbone of the conjugated light emitting polymer, and an emissive unit. The host repeat unit has a wider band gap than the intermediate unit. The intermediate repeat unit has a wider band gap than the emissive unit. The emissive unit is either: an emissive repeat unit of a block copolymer wherein the block copolymer comprises a first block comprising the intermediate repeat unit and the emissive repeat unit and a second block comprising the host repeat unit; a substituent of a proportion of the host repeat units and at least some of the host repeat units substituted with an emissive unit are arranged directly adjacent to an intermediate repeat unit; a substituent of a proportion of the intermediate repeat units; or a repeat unit in the backbone of the conjugated polymer and is arranged directly adjacent to the intermediate repeat unit. The conjugated light-emitting polymer may be part of a light-emitting marker for detecting the presence of a target analyte in a sample.

An electrochromic polymer with polar side chains is disclosed. The viscosity of the electrochromic polymer is controllable by adjusting a ratio between polar side chains and alkyl side chains for forming the electrochromic polymer. The disclosed electrochromic polymer with polar side chains can be also made into a film with a controllable thickness by coating.