Ekaterina A. Khakina’s research while affiliated with National Research University Higher School of Economics and other places

... From this point of view, organic p-conjugated polymers are considered as promising hole transport materials (HTMs) for PSCs. 3 Organic conjugated donor-acceptor polymers can serve as dopant-free HTMs for the fabrication of efficient and stable PSCs due to their inherent advantages such as tunable frontier orbital energy levels, chemical and thermal stability and good carrier mobility. [4][5][6][7][8][9] The introduction of fluorine atoms into the polymer backbone is an effective approach to optimize the optoelectronic properties of conjugated polymers by lowering the frontier orbital energy. [10][11][12][13][14][15] In addition, fluorine atoms promote the planar configuration of the polymer backbone, which results in their favorable packing in thin films and a more pronounced tendency to aggregate when going from solutions to thin films compared to their fluorine-free counterparts. ...

Reference:

Impact of fluorination on optoelectronic properties of thiophene-benzothiadiazole-based hole-transport polymers for perovskite solar cells

... Доказано, что янтарная кислота и сукцинаты являются активными адаптогенами, увеличивая сопротивляемость организма неблагоприятным воздействиям факторов внешней среды. С учетом этих уникальных свойств янтарной кислоты, нами были получены композиции [1] в виде твердых дисперсий путем совместной твердофазной механохимической обработки субстанции фенбендазола с поливинилпирролидоном и арабиногалактаном с добавлением янтарной кислоты при массовом соотношении компонентов 1:1:8. ...

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FEATURES OF MECHANOCHEMICAL TECHNOLOGY IN THE DEVELOPMENT OF PARASITOCIDES

... Among Kuznietsova, Dziubenko, lynchak, et al. 2020;injac 2023;Kraevaya et al. 2024) and the feasibility of using С 60 in the treatment of diabetes. in particular, in experiments with induction of diabetes in rats and mice and tissue damage by ischemia-reperfusion, fullerenol С 60 protected not only muscle tissue, reducing cell disorganization and degeneration in it, but also liver, kidney and lung tissues and reduced oxidative stress (Kartal et al. 2020;Şengel et al. 2023;Polat et al. 2024). ...

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Fullerenes in vivo. Toxicity and protective effects

... The solid in the first octant is a curved top cylinder, with its base being the area determined by y≥0 and x^2+y^2≤Rx in the xy plane. From the symmetry of the obtained solid, we can know that simply calculating the volume in the first octant and multiply by 4 to obtain the volume of the obtained solid is very feasible [6]. The solid in the first octant is a curved top cylinder, with its base being the area determined by y≥0 and x^2+y^2≤Rx in the xy plane. ...

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Verification of Taylor's theorem

... Benzimidazole compounds are found to exhibit pharmacological activities such as antituberculosis [12], antitumor [13], antimalarial [14], antihistamine [15], antidiabetic [16], antimicrobial [17], antiviral [18,19], anticancer [17,20], anti-inflammatory [21,22], antioxidants [21], analgetics [22], anti-HIV [23], etc. Besides their biological activity they have found applications in organic light emitting diodes (OLEDs) [24,25], chemosensors [26], fluorescent [27] and phosphorescent materials [28], solar cells [29], corrosion inhibitors [30], non-linear optical (NLO) materials [31,32], etc. In this work, a substituted benzimidazole molecule with different unit cell parameters is reported with respect to already existing structure and the crystal structure has been examined extensively. ...

Reference:

Synthesis, Crystal Structure and DFT Analysis of 2-(2-Chlorophenyl)-1H-benzo[d]imidazole as Charge Transport and Non-Linear Optical Material

... The lower R S , R CT and higher C 1 values suggest that www.nature.com/scientificreports/ PSCs with MXene/CoS CE display the better performance 31 . The origin of R S is associated with the resistance of the ITO substrates, while R CT is related to the resistance at the interface between the ETL and the perovskite layer. ...

Reference:

MXene-based novel nanocomposites doped SnO2 for boosting the performance of perovskite solar cells

... PC 60 BM, on the other hand, exhibits excellent electron mobility [23] and is highly compatible with solution-based deposition methods. However, its use requires careful optimization to address challenges such as parasitic absorption, interface defects, and its contribution to device instability [24][25][26]. ...

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Ó PTICA PURA Y APLICADA www.sedoptica.es Comparative Optical Analysis of Organic and Inorganic Charge Transport Layers in Perovskite Solar Cells

... For this reason, interest in exploring heteroleptic systems is growing. [12][13][14][15][16][17][18][19][20][21] These systems allow the combination of ligands with different functional groups, that can subtly alter or even improve the SCO features. In some cases, these systems show intermediate properties, such as the T 1/2 as found in [Fe(qsal-Cl)(qsal-Br)]A·sol, (A = NCS -, solv = MeOH; PF 6 -, BPh 4 -, sol = DCM, OTf -, sol = 0.5MeOH). ...

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Improving Spin Crossover Characteristics in Heteroleptic [FeIII(qsal-5-I)(qsal-5-OMe)]A Complexes

... OCPs increase the heat resistance and fire resistance of polymer binders, such as epoxy [22,23], benzoxazine [24], ethylene copolymers [25], and textiles [26,27], and also improve the chemical resistance of polyester and polyurethane coatings [28]. ...

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Organocyclophosphazenes and Materials Based on Them for Pharmaceuticals and Biomedicine

... Merocyanines are an important molecule class for organic electronics, e.g., dye-sensitized solar cells (DSSCs), 61,62 photodetectors, 63,64 and OFETs. 65,66 Discovered in the late 1940s and initially used as dyes and photo-agents, 67 merocyanines attracted significant attention about 40 years later as OPV materials. 68,69 At present, their applications extend to optical sensors for various triggers such as chemicals, 70 pH, 71 or temperature, 72 bio-imaging, 73,74 antimicrobial drugs, 75,76 and photo-sensitizers for cancer therapy and nanomedicine. ...

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A semi-automated quantum-mechanical workflow for the generation of molecular monolayers and aggregates