Designation and optimization of facets photocatalysts is an effective strategy to address the issue facet-dependent photocatalytic reactions. However, studies regarding facet effect metal–organic frameworks (MOFs) on process are in infancy. In this study, NH2-MIL-125(Ti) with different ratios {001} {111} was exactly controlled synthesized, it found that activity photoreduction CO2 enhanced gradually increasing exposed proportion facets. The exhibit maximal CO CH4 yields 8.25 1.01 μmol g–1...

mp-MXene/TiO2-x nanodots (NDs) structurally composed of microporous MXene monolayers embedded with Ti3+-doped TiO2 were developed for the first time. The drastically enhanced catalytic efficiency (as much as 13 times higher than that P25) in degrading dye molecules over NDs is due to a synergistic effect pseudo-Fenton reaction and photocatalysis.

MIL-100(Fe) exhibits superior activity and selectivity for CH₄generation under visible-light irradiation compared with MIL-101(Fe).

Building heterostructure of photocatalysts is considered to be promising for boosting the efficiency CO2 photoreduction. Herein, we constructed Cu2O@Cu@UiO-66-NH2 ternary nanocubes via a simple solvothermal reaction efficient photocatalytic reduction CO and CH4. As UiO-66-NH2 uniformly dispersed on Cu2O@Cu, well-defined with p–n junctions presence electron mediators endow catalysts promoted visible-light-absorbing capability charge carrier density together facilitated separation migration...

Metal nanoparticles deposited in the photocatalyst not only can serve as a cocatalyst but also act light harvester to extend absorption, resulting from surface plasmon resonance (SPR). In this study, we silver (Ag NPs) onto NH2-MIL-125(Ti) with exposed specific facets and achieved effectively improved activity selectivity for photocatalytic CO2 reduction. Loading Ag NPs on {111} of generates highly effective composite catalyst photoreduction CO2, maximal CO CH4 yields 26.7 63.3 μmol g-1 h-1,...

Theoretical calculations in combination with experimental data verified that the type of defects and degree ligand vacancies MOFs can tailor efficiency CO 2 photoreduction.

Exposing different facets on metal-organic frameworks (MOFs) is an efficient approach to regulate their photocatalytic performance for CO2 reduction. Herein, Fe-soc-MOFs exposed with were successfully synthesized, and the morphologies of Fe-soc-MOF eight {111} (Fe-soc-O) that six {100} crystal (Fe-soc-M) are first reported. have facet-dependent active sites surface correspondingly catalytic Fe-soc-O has highest CO production 1804 μmol g-1 h-1, while (Fe-soc-C) best selectivity 94.7%. Density...

The photocatalytic activity of TiO2 based photocatalysts can be improved by structural modification and elemental doping. In this study, through rational design, one type carbon nitrogen co-doped (C, N-TiO2) photocatalyst with mesoporous structure was synthesized in degrading 4-nitrophenol under simulated sunlight irradiation. degradation efficiency the C, N-TiO2 much higher than anatase (A-TiO2) on absorbance HPLC analyses. Moreover, using zebrafish embryos, we showed that intermediate...

A catalyst-free, environmentally friendly, and efficient electrochemical selenylation/cyclization of alkenes has been developed with moderate to excellent yields. This selenylated transformation proceeds smoothly tolerates a wide range synthetically useful groups deliver diverse functionalized benzheterocycles, including iminoisobenzofuran, lactones, oxindoles, quinolinones. Moreover, the present synthetic route could also be readily scaled up gram quantity convenient operation in an undivided cell.

Selenium-substituted heteroarenes are biologically active compounds and useful building blocks. In this study, we have developed a metal- oxidant-free, environmentally friendly protocol for the regioselective selenylation of 2H-indazole derivatives by an electrochemical strategy. A number selenylated 2H-indazoles with wide range functional groups been synthesized in moderate to good yields under mild environment-friendly reaction conditions.

The nature of defects and organic ligands can fine-tune the absorption energy (Eabs) metal-organic frameworks (MOFs), which is crucial for photocatalytic reactions; however, relevant studies are in their infancy. Herein, a series typical MOFs UiO family (UiO-6x-NH2, x = 8, 7, 6) with varied lengths amino-group-modified were synthesized employed to explore performance CO2 reduction. Sample UiO-66-NH2-2ABA (2ABA 3,5-diamino-benzoate) shortest dicarboxylate ligand two exhibits superior activity...

Controlled atmosphere (CA) has been demonstrated to maintain the shelf-life quality of fruits, but its effect on antioxidant activities and phenolic content yellow peach is not comprehensive. This study analyzed role CA shelf period, activity "Jinxiu" peach. Yellow was left under specific aeration conditions (3.5-4% CO2, 2-3% O2, 92-95.5% N2, 1 ± 0.5 °C) control (1 for 21 d, observe changes in physiological parameters fruit during 10 d life (25 °C). The result showed that reduced weight loss...

Litsea cubeba essential oil (LCEO), as naturally plant-derived products, possess good antimicrobial activities against many pathogens, but their high volatility and poor water solubility limit greatly the application in food industry. In this research, inclusion complex based on β-cyclodextrin (β-CD) LCEO, was prepared by saturated aqueous solution method. An optimum condition using response surface methodology (RSM) Box–Behnken design (BBD) obtained with time of 2 h β-CD/LCEO ratio 4.2 at...

Abstract Chinese sprangletop [ Leptochloa chinensis (L.) Nees] is one grass weed severely affecting rice ( Oryza sativa L.) growth in paddies China. Cyhalofop-butyl the main herbicide used to control weeds paddy fields, especially for controlling L. ; however, has evolved resistance cyhalofop-butyl due continuous and extensive application. To investigate levels mechanisms some of areas, 66 field populations were collected treated with cyhalofop-butyl. Of these tested populations, 10 showed a...

Tea (Camellia sinensis L.) is a perennial woody plant that widely cultivated to produce popular non-alcoholic beverage; this beverage has received much attention due its pleasant flavor and bioactive ingredients, particularly several important secondary metabolites. Due the significant changes in metabolite contents of buds young expanding leaves tea plants, high-performance liquid chromatography (HPLC) analysis isobaric tags for relative absolute quantitation (iTRAQ) were performed. A total...