Abstract: The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I with an iridium (III) compound of formula II wherein R1 and R2 are independently alkyl, substituted alkyl, aryl, substituted aryl or a combination thereof; R5is H or CHO; R3 and R4 are independently hydrogen, alkyl, substituted alkyl, aryl, substituted aryl or a combination thereof; R11 and R12 taken together form a substituted or unsubstituted monocyclic or bicyclic heteroaromatic ring; R13 is independently at each occurrence halo, nitro, hydroxy, amino, alkyl, aryl, arylalkyl, alkoxy, substituted alkoxy, substituted alkyl, substituted aryl, or substituted arylalkyl; Ar is aryl, heteroaryl, substituted aryl, substituted heteroaryl, or a combination thereof; X is selected from a direct bond, alky, substituted alkyl, and combinations thereof; Y is CHO or NH2; Z is CHO or NH2 where Z does not equal Y; and p is 0, 1 or 2.

Abstract: The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I with an iridium (III) compound of formula II The invention also relates to the polyfluorenes, which are products of the reaction, and the use of the polyfluorenes in optoelectronic devices.

Abstract: Organic compounds of formula I may be used in optoelectronic devices wherein R1 is, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; R2 is, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; a is, independently at each occurrence, an integer ranging from 0-4; b is, independently at each occurrence, an integer ranging from 0-3; Ar1 is a direct bond or heteroaryl, aryl, or alkyl or cycloalkyl; Ar2 is heteroaryl, aryl, or alkyl or cycloalkyl; c is 0, 1 or 2; and n is an integer ranging from 2-4.

Abstract: Compound of formula C is made by reacting a compound of formula A with an pyridyl boronic acid or pyridyl borate ester to form a compound of formula B; and combining the compound of formula B with a pyridyl dihalide to form the compound of C; wherein R3, R4, R5, R6 and R7 are, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; X is, independently at each occurrence, CH or N; Y is chloro or bromo; Z is bromo or iodo; and when Y is bromo, Z is iodo; d, e, and g are, independently at each occurrence, an integer ranging from 0-4; f is an integer ranging from 0-2; and h is an integer ranging from 0-3.

Abstract: Metal complexes of formula I and IA and polymers derived from the complexes are useful in optoelectronic devices wherein M is Ir, Co or Rh; is a cyclometallated ligand; R1 is hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, or substituted arylalkyl; R2 is hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, substituted arylalkyl; and at least one of R1 and R2 is other than hydrogen; R1a is hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, or substituted arylalkyl; R2a is hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, substituted arylalkyl; and at least one of R1a and R2a is substituted alkyl, substituted aryl, substituted arylalkyl, and at least one substitutent of the substituted alkyl, substituted aryl, or substituted arylalkyl is a polymerizable group.

Abstract: Polymers including at least one structural unit derived from a compound of formula I or including at least one pendant group of formula II may be used in optoelectronic devices wherein R1, R3, R4 and R6 are independently hydrogen, alkyl, alkoxy, oxaalkyl, alkylaryl, aryl, arylalkyl, heteroaryl, substituted alkyl; substituted alkoxy, substituted oxaalkyl, substituted alkylaryl, substituted aryl, substituted arylalkyl, or substituted heteroaryl; R1a is hydrogen or alkyl; R2 is alkylene, substituted alkylene, oxaalkylene, CO, or CO2; R2a is alkylene; R5 is independently at each occurrence hydrogen, alkyl, alkylaryl, aryl, arylalkyl, alkoxy, carboxy, substituted alkyl; substituted alkylaryl, substituted aryl, substituted arylalkyl, or substituted alkoxy, X is halo, triflate, —B(OR1a)2, or ?located at the 2, 5- or 2, 7-positions; and L is derived from phenylpyridine, tolylpyridine, benzothienylpyridine, phenylisoquinoline, dibenzoquinozaline, fluorenylpyridine, ketopyrrole, 2-(1-naphthyl)benzo

Abstract: Compounds of formula I may be used in optoelectronic devices wherein R1, R2 and R4 are, independently at each occurrence, H, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; R3 is H or a is, independently at each occurrence, 1 or 2; b is, independently at each occurrence, an integer ranging from 0-3; c is, independently at each occurrence, an integer ranging from 0-4; Ar is independently at each occurrence, H, or heteroaryl; and at least two of Ar are heteroaryl.

Abstract: A polymer useful in an optoelectronic device comprises structural unit of formula I: wherein R1 is, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; a is, independently at each occurrence, an integer ranging from 0-4; Ar1 is aryl or heteroaryl; Ar2 is fluorene; R2 is alkylene, substituted alkylene, oxaalkylene, CO, or CO2; R3, R4 and R5 are independently hydrogen, alkyl, alkoxy, alkylaryl, aryl, arylalkyl, heteroaryl, substituted alkyl; substituted alkoxy, substituted alkylaryl, substituted aryl, substituted arylalkyl, or substituted heteroaryl; and L is derived from phenylpyridine, tolylpyridine, benzothienylpyridine, phenylisoquinoline, dibenzoquinozaline, fluorenylpyridine, ketopyrrole, 2-(1-naphthyl)benzoxazole)), 2-phenylbenzoxazole, 2 phenylbenzothiazole, coumarin, thienylpyridine, phenylpyridine, benzothienylpyridine, 3 methoxy-2-phenylpyridine, thienylpyridine, phenylimine, vinylpyridine, pyridylnaphthalene, pyridylpyrro

Abstract: A polymer useful in an optoelectronic device comprises structural unit of formula I: wherein Ar is heteroaryl or aryl, other than formula I; R1, R2, R3 and R4 are, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; a, c and d are, independently at each occurrence, an integer ranging from 0-4; b is an integer ranging from 0-3; and n is an integer greater than 3.

Abstract: The present invention provides a method for the preparation of organic light-emitting devices comprising a bilayer structure made by forming a first film layer comprising an electroactive material and an INP precursor material, and exposing the first film layer to a radiation source under an inert atmosphere to generate an interpenetrating network polymer composition comprising the electroactive material. At least one additional layer is disposed on the reacted first film layer to complete the bilayer structure. The bilayer structure is comprised within an organic light-emitting device comprising standard features such as electrodes and optionally one or more additional layers serving as a bipolar emission layer, a hole injection layer, an electron injection layer, an electron transport layer, a hole transport layer, exciton-hole transporting layer, exciton-electron transporting layer, a hole transporting emission layer, or an electron transporting emission layer.

Abstract: An organic compound of formula E is made from a process comprising: reacting a compound of formula A and a compound of formula B to form a compound of formula C; and reacting one of the compound of formula C and the compound of formula D with a first boron esterification reagent to generate a boronic acid or a boronic ester to react with another of the compound of formula C and the compound of formula D to form a compound of formula E; wherein R1, R2, and R3 are, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; X1 is chloro, bromo, trifluoromethanesulfonate, or hydroxy; X2 is chloro, bromo, iodo; and when X1 is chloro, X2 is bromo or iodo, when X1 is bromo, X2 is iodo, when X1 is hydroxy, X2 is chloro, bromo or iodo, when X1 is trifluoromethanesulfonate, X2 is bromo or iodo; X3 is a boronic acid or boronic ester; X is CH or N and when X is CH, at least one of R2 is pyridyl; X4 is chloro, bromo, trifluoromethanesulfonate, or hy

Abstract: Optoelectronic devices include polysiloxanes derived from hydrosilation of an organometallic compound of formula L2MZ, wherein L and Z are independently bidentate ligands; at least one of L and Z comprises alkenyl, alkenylaryl, alkenyloxy, alkenyloxyaryl, alkynyl, alkynylaryl, alkynyloxy, alkynyloxyaryl, substituted alkenyl, substituted alkenylaryl, substituted alkenyloxy, substituted alkenyloxyaryl, substituted alkynyl, substituted alkynylaryl, substituted alkynyloxy, substituted alkynyloxyaryl, acrylate, methacrylate, or a combination thereof; and M is Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Ga, Ge, In, Sn, Sb, Tl, Pd, Bi, Po, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, or Lu.

Abstract: A system for selectively determining at least two analytes, comprising at least one resonant sensor circuit comprising a sensing material that predictably affects the resonant complex impedance response of a sensor electrode, wherein the sensing material having at least two material properties that change upon exposure to two or more analytes; and a processor that generates a multivariate sensor response pattern that is based at least in part on a change in the two material properties of the sensing material and a sensing device and methods adapted to detect an analyte using the same sensor system.

Abstract: Compounds of formula I may be used in optoelectronic devices wherein R1 and R2 are, independently at each occurrence, H, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; a is an integer ranging from 0-2; b is 1 or 2; c is an integer ranging from 0-4; and Ar1 and Ar2 are independently heteroaryl.

Abstract: Compound of formula C is made by reacting a compound of formula A with an pyridyl boronic acid or pyridyl borate ester to form a compound of formula B; and combining the compound of formula B with a pyridyl dihalide to form the compound of C; wherein R3, R4, R5, R6 and R7 are, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; X is, independently at each occurrence, CH or N; Y is chloro or bromo; Z is bromo or iodo; and when Y is bromo, Z is iodo; d, e, and g are, independently at each occurrence, an integer ranging from 0-4; f is an integer ranging from 0-2; and h is an integer ranging from 0-3.

Abstract: The invention provides an organic metal complex represented by the formula (I), wherein M is a metal selected from Rh, Ir, or Pt; Y represents N or O; R1 represents a hydrogen, a halogen, a nitro group, an amino group, a hydroxyl group, a C3-C40 aromatic radical, a C1-C50 aliphatic radical, and a C3-C50 cycloaliphatic radical; R2 represents a hydrogen, C3-C20 aromatic radical, C1-C50 aliphatic radical, or a C3-C50 cycloaliphatic radical; or R1 and R2, together with the adjacent Y, may form a ring, preferably a 5- or 6-membered ring; n1 has a value of from 0 to 3; and n2 has a value of 0 to 2; m1 has a value of at least 1; and m2 has a value of at least 1 provided that m1+m2 is 3.

Abstract: The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I with an iridium (III) compound of formula II The invention also relates to the polyfluorenes, which are products of the reaction, and the use of the polyfluorenes in optoelectronic devices.

Abstract: The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I with an iridium (III) compound of formula II wherein R1 and R2 are independently alkyl, substituted alkyl, aryl, substituted aryl or a combination thereof; R5is H or CHO; R3 and R4 are independently hydrogen, alkyl, substituted alkyl, aryl, substituted aryl or a combination thereof; R11 and R12 taken together form a substituted or unsubstituted monocyclic or bicyclic heteroaromatic ring; R13 is independently at each occurrence halo, nitro, hydroxy, amino, alkyl, aryl, arylalkyl, alkoxy, substituted alkoxy, substituted alkyl, substituted aryl, or substituted arylalkyl; Ar is aryl, heteroaryl, substituted aryl, substituted heteroaryl, or a combination thereof; X is selected from a direct bond, alky, substituted alkyl, and combinations thereof; Y is CHO or NH2; Z is CHO or NH2 where Z does not equal Y; and p is 0, 1 or 2.

Abstract: The present invention provides electronic devices comprising novel polymeric organic iridium compositions which provide for enhanced device performance. The polymeric organic iridium compositions employed comprise a polymeric organic iridium compound comprising at least one cyclometallated ligand and at least one ketopyrrole ligand. The polymeric organic iridium compositions employed are referred to as Type (2) organic iridium compositions and are constituted such that at least one ligand of the polymeric organic iridium compound has a number average molecular weight of 2,000 grams per mole or greater (as measured by gel permeation chromatography). Type (2) organic iridium compositions are referred to herein as comprising “polymeric organic iridium complexes”. In one aspect, the present invention provides optoelectronic devices, such as OLED devices and photovoltaic devices. In another aspect, the invention provides OLED devices exhibiting enhanced color properties and light output efficiencies.

Abstract: The present invention provides compositions comprising at least one novel polymeric organic iridium compound which comprises at least one cyclometallated ligand and at least one ketopyrrole ligand. The polymeric organic iridium compositions of the present invention are referred to as Type (2) organic iridium compositions and are constituted such that at least one ligand of the novel organic iridium compound has a number average molecular weight of 2,000 grams per mole or greater (as measured by gel permeation chromatography). Type (2) organic iridium compositions are referred to herein as comprising “polymeric organic iridium complexes”. The novel organic iridium compositions are useful in optoelectronic electronic devices such as OLED devices and photovoltaic devices. In one aspect, the invention provides novel organic iridium compositions useful in the preparation of OLED devices exhibiting enhanced color properties and light output efficiencies.