摘要:
The present invention relates to a process for producing a layer of a crystalline material, which process comprises disposing on a substrate: a first precursor compound comprising a first cation and a sacrificial anion, which first cation is a metal or metalloid cation and which sacrificial anion comprises two or more atoms; and a second precursor compound comprising a second anion and a second cation, which second cation can together with the sacrificial anion form a first volatile compound. The invention also relates to a layer of a crystalline material obtainable by a process according to the invention. The invention also provides a process for producing a semiconductor device comprising a process for producing a layer of a crystalline material according to the invention. The invention also provides a composition comprising: (a) a solvent; (b) NH4X; (c) AX; and (d) BY2 or MY4; wherein X, A, M and Y are as defined herein.
摘要:
The invention relates to processes for producing semi-transparent photoactive layers, and devices comprising the same. The invention provides a process for producing a semi-transparent photoactive layer comprising: a) disposing on a substrate a composition, which composition comprises a photoactive material or one or more precursors of a photoactive material, to form a resulting layer; and b) dewetting the resulting layer to form a dewet layer of the photoactive material, wherein the dewet layer of the photoactive material is semi-transparent. The invention also provides a semi-transparent photoactive layer comprising a substrate and, disposed on the substrate, a dewet layer of a photoactive material, wherein the dewet layer of a photoactive material comprises a plurality of absorbing regions which comprise the photoactive material and a plurality of transparent regions which do not substantially comprise the photoactive material. Devices and processes for producing devices comprising the semi-transparent layer are also disclosed, as are building components and automotive components comprising the semi-transparent layer.
摘要:
The invention relates to the use of nonpassivated silicon to produce hydrogen, by hydrolysis of the nonpassivated silicon. In particular, the invention relates to a composition comprising nonpassivated silicon, a process for producing a composition comprising nonpassivated silicon, and a process for producing hydrogen by reacting the composition with water.
摘要:
The invention provides an optoelectronic device comprising a porous material, which porous material comprises a semiconductor comprising a perovskite. The porous material may comprise a porous perovskite. Thus, the porous material may be a perovskite material which is itself porous. Additionally or alternatively, the porous material may comprise a porous dielectric scaffold material, such as alumina, and a coating disposed on a surface thereof, which coating comprises the semiconductor comprising the perovskite. Thus, in some embodiments the porosity arises from the dielectric scaffold rather than from the perovskite itself. The porous material is usually infiltrated by a charge transporting material such as a hole conductor, a liquid electrolyte, or an electron conductor. The invention further provides the use of the porous material as a semiconductor in an optoelectronic device. Further provided is the use of the porous material as a photosensitizing, semiconducting material in an optoelectronic device. The invention additionally provides the use of a layer comprising the porous material as a photoactive layer in an optoelectronic device. Further provided is a photoactive layer for an optoelectronic device, which photoactive layer comprises the porous material.
摘要:
Implantable devices formed of or coated with a material that includes an amorphous poly(D,L-lactide) formed of a starting material such as meso-D,L-lactide are provided. The implantable device can be used for the treatment, mitigation, prevention, or inhibition of a disorder such as atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, patent foramen ovale, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, or combinations thereof.
摘要:
The invention relates to a process for producing a process for producing an 18 F-labelled compound, the process comprising treating a compound of formula (I): wherein EDG is an electron-donating group selected from -OH, -OR 4 , -NHR 5 and -NR 55 R 5 ; R 1 , R 2 , X 1 and X 2 are as defined herein; and R 3 is selected from H, X 3 and X 4 , wherein X 3 is a monodentate cleavable surrogate group, and X 4 is a bidentate cleavable surrogate group which is bonded (a) to said X or X and (b) to the ring carbon atom para to EDG; with [ 18 F]fluoride in the presence of an oxidant, thereby producing, when R 3 in the compound of formula (I) is H, an 18 F-labelled compound of formula (II), wherein EDG is as defined above and R 1 , R 2 , X 1 and X 2 are as defined herein; or thereby producing, when R 3 in the compound of formula (I) is said monodentate cleavable surrogate group X 4 , a compound of formula (Ilc), wherein EDG' is O, NR 5 , -NR 55 R 5 or [OR 4 ] + , and wherein R 4 , R 5 , R 55 , R 1 , R 2 , X 1 , X 2 and X 3 are as defined herein; or thereby producing, when R 3 in the compound of formula (I) is said bidentate cleavable surrogate group X 4 , a compound of formula (IIc) or a compound of formula (IId), wherein EDG' is O, NR 5 , -NR 55 R 5 or [OR 4 ]+, and wherein R 4 , R 5 , R 55 , R 1 , R 2 , X 1 , X 2 and X 4 are as defined herein.
摘要:
The invention provides an optoelectronic device comprising: (i) a porous dielectric scaffold material; and (ii) a semiconductor having a band gap of less than or equal to 3.0 eV, in contact with the scaffold material. Typically the semiconductor, which may be a perovskite, is disposed on the surface of the porous dielectric scaffold material, so that it is supported on the surfaces of pores within the scaffold. In one embodiment, the optoelectronic device is an optoelectronic device which comprises a photoactive layer, wherein the photoactive layer comprises: (a) said porous dielectric scaffold material; (b) said semiconductor; and (c) a charge transporting material. The invention further provides the use, as a photoactive material in an optoelectronic device, of: (i) a porous dielectric scaffold material; and (ii) a semiconductor having a band gap of less than or equal to 3.0 eV, in contact with the scaffold material. Further provided is the use of a layer comprising: (i) a porous dielectric scaffold material; and (ii) a semiconductor having a band gap of less than or equal to 3.0 eV, in contact with the scaffold material; as a photoactive layer in an optoelectronic device. In another aspect, the invention provides a photoactive layer for an optoelectronic device comprising (a) a porous dielectric scaffold material; (b) a semiconductor having a band gap of less than or equal to 3.0 eV, in contact with the scaffold material; and (c) a charge transporting material.
摘要:
The presently disclosed subject matter is described to metalloenzyme inhibitors having metal binding moieties linked to a targeting moiety through a linking group or a direct bond, method of screening for metalloenzyme inhibitors, and methods for treating a metalloenzyme related disorder by administering a metalloenzyme inhibitor to a subject in need of treatment thereof.
摘要:
The invention provides a process for producing a transparent conducting film, which film comprises a doped zinc oxide wherein the dopant comprises Si, which process comprises: disposing a composition which is a liquid composition or a gel composition onto a substrate, wherein the composition comprises Zn and Si; and heating said substrate. The invention further provides transparent conducting films obtainable by the process of the invention, including transparent conducting films which comprise a doped zinc oxide wherein the dopant comprises Si, and wherein the film covers a surface area equal to or greater than 0.01 m 2 . The invention also provides a coated substrate, which substrate comprises a surface, which surface is coated with a transparent conducting film, wherein the film comprises a doped zinc oxide wherein the dopant comprises Si, and wherein the area of said surface which is coated with said film is equal to or greater than 0.01 m 2 . The invention further provides coatings comprising the films of the invention, processes for producing such films and coatings, and various uses of the films and coatings.