摘要:
Use of rylene derivatives I with the following definition of the variables: X together both —COOM; Y a radical -L-NR1R2 (y1) -L-Z—R3 (y2) the other radical hydrogen; together both hydrogen; R is optionally substituted (het)aryloxy, (het)arylthio; P is —NR1R2; B is alkylene; optionally substituted phenylene; combinations thereof; A is —COOM; —SO3M; —PO3M2; D is optionally substituted phenylene, naphthylene, pyridylene; M is hydrogen; alkali metal cation; [NR5]4+; L is a chemical bond; optionally indirectly bonded, optionally substituted (het)arylene radical; R1, R2 are optionally substituted (cyclo)alkyl, (het)aryl; together optionally substituted ring comprising the nitrogen atom; Z is —O—; —S—; R3 is optionally substituted alkyl, (het)aryl; R′ is hydrogen; optionally substituted (cyclo)alkyl, (het)aryl; R5 is hydrogen; optionally substituted alkyl (het)aryl; m is 0, 1, 2; n, p m=0: 0, 2, 4 where: n+p=2, 4, if appropriate 0; m=1: 0, 2, 4 where: n+p=0, 2, 4; m=2: 0, 4, 6 where: n+p=0, 4, 6, or of mixtures thereof as photosensitizers in solar cells.
摘要翻译:使用二烯衍生物I与以下变量的定义:X一起-COOM; Y是自由基-L-NR1R2(y1)-L-Z-R3(y2)另一个基团氢; 一起氢; R是任选取代的(het)芳氧基,(het)芳硫基; P是-NR1R2; B是亚烷基; 任选取代的亚苯基; 其组合; A是-COOM; -SO3M; -PO3M2; D是任选取代的亚苯基,亚萘基,亚吡啶基; M是氢; 碱金属阳离子; [NR5] 4+; L是化学键; 任选间接结合的,任选取代的(亚乙基)亚芳基; R1,R2是任选取代的(环)烷基,(het)芳基; 一起任选取代的包含氮原子的环; Z为-O- -S-; R3是任选取代的烷基,(het)芳基; R'是氢; 任选取代的(环)烷基,(het)芳基; R5是氢; 任选取代的烷基(het)芳基; m为0,1,2; n,p m = 0:0,2,4其中:n + p = 2,4,如果合适0; m = 1:0,2,4其中:n + p = 0,2,4; m = 2:0,4,6其中:n + p = 0,4,6或其混合物作为太阳能电池中的光敏剂。
摘要:
Two-dimensional nanomaterials are produced in a process comprising the steps of (a) providing (a1) a mixture comprising graphene oxide particles, water and at least one cationic surfactant and/or nonionic surfactant or (a2) a mixture comprising graphene particles, at least one solvent useful for solution exfoliation of graphite and at least one cationic surfactant and/or nonionic surfactant, (b) adding at least one sol precursor compound to the mixture from step (a), (c) reacting the mixture from step (b) in a sol/gel process to form gel from the at least one sol precursor compound on the graphene oxide particles or, respectively, the graphene particles, (d) removing the at least one surfactant, and (e) optionally heating the gel-coated graphene oxide particles for at least 1 min to at least 500° C. under inert gas atmosphere to reduce the graphene oxide to graphene.
摘要:
The present invention relates to polymers comprising repeating unit(s) of the formula (I), and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).
摘要:
The invention relates to a process for coating nanoparticles with graphene, comprising the steps of (a) providing a suspension comprising a suspension medium and nanoparticles with positive surface charge, (b) adding graphene oxide particles to the suspension from step (a), the graphene oxide particles accumulating on the nanoparticles, and (c) converting the graphene oxide particles accumulated on the nanoparticles to graphene, to graphene-coated nanoparticles comprising at least one metal, a semimetal, a metal compound and/or a semimetal compound, and to the use of these graphene-coated nanoparticles in electrochemical cells and supercapacitors, and to supercapacitors and electrochemical cells comprising these nanoparticles.
摘要:
The invention relates to a process for coating nanoparticles with graphene, comprising the steps of (a) providing a suspension comprising a suspension medium and nanoparticles with positive surface charge, (b) adding graphene oxide particles to the suspension from step (a), the graphene oxide particles accumulating on the nanoparticles, and (c) converting the graphene oxide particles accumulated on the nanoparticles to graphene, to graphene-coated nanoparticles comprising at least one metal, a semimetal, a metal compound and/or a semimetal compound, and to the use of these graphene-coated nanoparticles in electrochemical cells and supercapacitors, and to supercapacitors and electrochemical cells comprising these nanoparticles.
摘要:
The present invention provides a micelle comprising an amphiphilic block copolymer, said amphiphilic block copolymer consisting of (a) a hydrophobic polymer attached to the 5′ end of a first nucleic acid molecule, wherein said first nucleic acid molecule is hybridized with a second nucleic acid molecule, wherein a targeting unit capable of selectively binding to a specific cell type and/or tissue is attached to the 5′ end of said second nucleic acid molecule; and/or (b) a hydrophobic polymer attached to the 3′ end of a first nucleic acid molecule, wherein said first nucleic acid molecule is hybridized with a second nucleic acid molecule, wherein a targeting unit capable of selectively binding to a specific cell type and/or tissue is attached to the 3′ end of said second nucleic acid molecule.
摘要:
The present invention provides a compound of formula The compound of formula (1) is suitable for use as semiconducting material, in particular in electronic devices.