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Did you mean ji zai si (14 results)?
Catalytic asymmetric C-Si bond activation via torsional strain-promoted Rh-catalyzed aryl-Narasaka acylation.
Feng J, Bi X, Xue X, Li N, Shi L, Gu Z. Feng J, et al. Nat Commun. 2020 Sep 7;11(1):4449. doi: 10.1038/s41467-020-18273-3. Nat Commun. 2020. PMID: 32895390 Free PMC article.
Here, we show a rhodium-catalyzed torsional strain-promoted asymmetric ring-opening reaction for the synthesis of alpha-silyl biaryl atropisomers. The reaction features a dynamic kinetic resolution of C(Ar)-Si bond cleavage, whose stereochemistry was controlled by a phosph …
Here, we show a rhodium-catalyzed torsional strain-promoted asymmetric ring-opening reaction for the synthesis of alpha-silyl biaryl atropis …
Effects of La Addition on Microstructure Evolution and Thermal Stability of Cu-2.35Ni-0.59Si Sheet.
Wang M, Chen S, Wang S, Zhang M, Song H, Zhang S. Wang M, et al. Materials (Basel). 2023 May 31;16(11):4105. doi: 10.3390/ma16114105. Materials (Basel). 2023. PMID: 37297239 Free PMC article.
It was found that the activation energy of the Ni(2)Si phase precipitation decreased with the addition of La. Interestingly, the aggregation and distribution of the Ni(2)Si phase, around the La-rich phase, was observed during the aging process, owing to the attracti …
It was found that the activation energy of the Ni(2)Si phase precipitation decreased with the addition of La. Interestingly, the aggr …
Accelerated crystallization of zeolites via hydroxyl free radicals.
Feng G, Cheng P, Yan W, Boronat M, Li X, Su JH, Wang J, Li Y, Corma A, Xu R, Yu J. Feng G, et al. Science. 2016 Mar 11;351(6278):1188-91. doi: 10.1126/science.aaf1559. Science. 2016. PMID: 26965626
In the hydrothermal crystallization of zeolites from basic media, hydroxide ions (OH(-)) catalyze the depolymerization of the aluminosilicate gel by breaking the Si,Al-O-Si,Al bonds and catalyze the polymerization of the aluminosilicate anions around the hydrated ca …
In the hydrothermal crystallization of zeolites from basic media, hydroxide ions (OH(-)) catalyze the depolymerization of the aluminosilicat …
Patterning of Wafer-Scale MXene Films for High-Performance Image Sensor Arrays.
Li B, Zhu QB, Cui C, Liu C, Wang ZH, Feng S, Sun Y, Zhu HL, Su X, Zhao YM, Zhang HW, Yao J, Qiu S, Li QW, Wang XM, Wang XH, Cheng HM, Sun DM. Li B, et al. Adv Mater. 2022 Apr;34(17):e2201298. doi: 10.1002/adma.202201298. Epub 2022 Mar 20. Adv Mater. 2022. PMID: 35226775
As a result, a high-density integrated array of 1024-pixel Ti(3) C(2) T(x) /Si photodetectors with a detectivity of 7.73 10(14) Jones and a light-dark current ratio (I(light) /I(dark) ) of 6.22 10(6) , which is the ultrahigh value among all reported MXene-based photodetect …
As a result, a high-density integrated array of 1024-pixel Ti(3) C(2) T(x) /Si photodetectors with a detectivity of 7.73 10(14) Jones …
Radical-Facilitated Green Synthesis of Highly Ordered Mesoporous Silica Materials.
Feng G, Wang J, Boronat M, Li Y, Su JH, Huang J, Ma Y, Yu J. Feng G, et al. J Am Chem Soc. 2018 Apr 11;140(14):4770-4773. doi: 10.1021/jacs.8b00093. Epub 2018 Apr 3. J Am Chem Soc. 2018. PMID: 29589753
., iron ions, are difficult to incorporate into SBA-15 because of the facile dissociation of Fe-O-Si bonds. Here, we demonstrate an acid-free green synthetic strategy for the synthesis of highly ordered mesoporous SBA-15 and Fe-SBA-15 with the assistance of hydroxyl free r …
., iron ions, are difficult to incorporate into SBA-15 because of the facile dissociation of Fe-O-Si bonds. Here, we demonstrate an a …
Effect of heat treatment on hydrophobic silica aerogel.
He S, Huang Y, Chen G, Feng M, Dai H, Yuan B, Chen X. He S, et al. J Hazard Mater. 2019 Jan 15;362:294-302. doi: 10.1016/j.jhazmat.2018.08.087. Epub 2018 Sep 9. J Hazard Mater. 2019. PMID: 30243252
Physical and chemical analyses were conducted to study the effect of the heat treatments on the silica aerogels. The O/Si and C/Si values in the hydrophobic silica aerogels increased and decreased, respectively, with the increase in the heating temperature. ...
Physical and chemical analyses were conducted to study the effect of the heat treatments on the silica aerogels. The O/Si and C/Si …
Green synthesis of ceramsite from industrial wastes and its application in selective adsorption: Performance and mechanism.
Sun J, Zhou C, Shen H, Du J, Li Q, Wu W, Guo B, Liu G. Sun J, et al. Environ Res. 2022 Nov;214(Pt 1):113786. doi: 10.1016/j.envres.2022.113786. Epub 2022 Jul 5. Environ Res. 2022. PMID: 35798269
The adsorption mechanisms of Cu(2+) with ceramsite were attributed to Cu(OH)(2) precipitation formed on the alkaline surface of ceramsite and complexation reactions occurred between the O-containing groups (including C-O, Fe-O, and Si-O) from ceramsite and Cu(2+). The prep …
The adsorption mechanisms of Cu(2+) with ceramsite were attributed to Cu(OH)(2) precipitation formed on the alkaline surface of ceramsite an …
A Deep Reduction and Partial Oxidation Strategy for Fabrication of Mesoporous Si Anode for Lithium Ion Batteries.
Liang J, Li X, Hou Z, Zhang W, Zhu Y, Qian Y. Liang J, et al. ACS Nano. 2016 Feb 23;10(2):2295-304. doi: 10.1021/acsnano.5b06995. Epub 2016 Jan 25. ACS Nano. 2016. PMID: 26789625
A deep reduction and partial oxidation strategy to convert low-cost SiO2 into mesoporous Si anode with the yield higher than 90% is provided. This strategy has advantage in efficient mesoporous silicon production and in situ formation of several nanometers SiO2 layer on th …
A deep reduction and partial oxidation strategy to convert low-cost SiO2 into mesoporous Si anode with the yield higher than 90% is p …
23 results