Disclosed are chelates resulting from the complexation of bifunctional do2pa derivatives ligands of formula (I), wherein the substituents R.sup.1, R.sup.1, R.sup.2, R.sup.2, R.sup.3, R.sup.3, L.sup.1, L.sup.1, L.sup.2 and L.sup.2 are defined as in the claims, with metallic cations, especially Pb(II) and Bi(III). Also disclosed are bifunctional do2pa derivatives ligands of formula (I), as well as the use of chelates in nuclear medicine and the use of ligands in cations detection or epuration of effluents.

##STR00001##

Disclosed are chelates resulting from the complexation of bifunctional do2pa derivatives ligands of formula (I), wherein the substituents R.sup.1, R.sup.1, R.sup.2, R.sup.2, R.sup.3, R.sup.3, L.sup.1, L.sup.1, L.sup.2 and L.sup.2 are defined as in the claims, with metallic cations, especially Pb(II) and Bi(III). Also disclosed are bifunctional do2pa derivatives ligands of formula (I), as well as the use of chelates in nuclear medicine and the use of ligands in cations detection or epuration of effluents.

##STR00001##

A bi-nuclear phosphorescent emitter according to the following formula is disclosed. The emitter may include metal atoms M.sub.1 and M.sub.2, fluorescent emitter ligands L.sub.F, L.sub.F, terminal ligands L.sub.T, L.sub.T, and bridging ligands L.sub.V, L.sub.V, wherein M.sub.1 and M.sub.2 are In, Tl, Sn, Pb, Sb, and Bi; L.sub.F and L.sub.F are comprise substituted or non-substituted C6-C70 aromatics or heteroaromatics; L.sub.V and L.sub.V are fluorinated or non-fluorinated, bi-dentate C2-C30 heteroalkyl or heteroaromatics; L.sub.T and L.sub.T are fluorinated or non-fluorinated, mono-, bi-, or tri-dentate C2-C30 O, S, N, heteroalkyl or heteroaromatics; and n and m are 1 or 2 independently of one another.

A bi-nuclear phosphorescent emitter according to the following formula is disclosed. The emitter may include metal atoms M.sub.1 and M.sub.2, fluorescent emitter ligands L.sub.F, L.sub.F, terminal ligands L.sub.T, L.sub.T, and bridging ligands L.sub.V, L.sub.V, wherein M.sub.1 and M.sub.2 are In, Tl, Sn, Pb, Sb, and Bi; L.sub.F and L.sub.F are comprise substituted or non-substituted C6-C70 aromatics or heteroaromatics; L.sub.V and L.sub.V are fluorinated or non-fluorinated, bi-dentate C2-C30 heteroalkyl or heteroaromatics; L.sub.T and L.sub.T are fluorinated or non-fluorinated, mono-, bi-, or tri-dentate C2-C30 O, S, N, heteroalkyl or heteroaromatics; and n and m are 1 or 2 independently of one another.

Provided are a multiple-metal salt assembly of dendrimer in which multiple-metal salt compounds with a number of, for example four or more types, particularly five or more types of multiple metals can be assembled for each of parts with different environments so that, particularly, the total metal atom number becomes less than 60, a method for producing the same, and a method for producing subnano metal particles including the multiple-metal salt assembly of the dendrimer.

The present invention relates to a novel photoacid generator compound cation, comprising an element having for 92 eV photons (extreme ultraviolet (EUV)) an absorption cross section of at least 0.510.sup.7.Math.cm.sup.2/mol; having at least two stable oxidation states; and selected from the elements of group 1 to group 15 of the periodic table of the elements. Additionally, the present invention relates to a photoacid generator comprising said photoacid generator compound cation and an anion. Furthermore, the present invention aims to provide a photoresist composition comprising said photoacid generator and an acid labile polymer. Finally, the present invention relates to a method of generating an acid using the photoresist composition and a method of forming a patterned materials feature on a substrate.

The present invention relates to a novel photoacid generator compound cation, comprising an element having for 92 eV photons (extreme ultraviolet (EUV)) an absorption cross section of at least 0.510.sup.7.Math.cm.sup.2/mol; having at least two stable oxidation states; and selected from the elements of group 1 to group 15 of the periodic table of the elements. Additionally, the present invention relates to a photoacid generator comprising said photoacid generator compound cation and an anion. Furthermore, the present invention aims to provide a photoresist composition comprising said photoacid generator and an acid labile polymer. Finally, the present invention relates to a method of generating an acid using the photoresist composition and a method of forming a patterned materials feature on a substrate.

Provided herein are organobismuth (III) phosphinate complexes, which comprise a phosphinate group and an aromatic carbocyclyl or aromatic heterocyclyl group. The complexes find use as antibacterial agents, and accordingly also provided herein are products, devices, compositions and materials comprising the complexes, for example medical products such as wound dressings and bandages.

Provided herein are organobismuth (III) phosphinate complexes, which comprise a phosphinate group and an aromatic carbocyclyl or aromatic heterocyclyl group. The complexes find use as antibacterial agents, and accordingly also provided herein are products, devices, compositions and materials comprising the complexes, for example medical products such as wound dressings and bandages.

The present invention relates to an organic electroluminescent device comprising a hole-injection layer comprising a metal complex as a main component and a method for producing the organic electroluminescent device.