Science - USA (2020-02-07)

Nafion, a widely used material in fuel cells as a catalyst binder and membrane material, exhibits strong structure-function–depe ...

1005 and 1130 cm−^1 (associated with–SO 3 − modes) as well as a complex background set of features arising from other C–C (1386 ...

We then focused on studying the perform- ance of CIPH samples for CO 2 and CO re- actants, investigating their reduction toward ...

samples (fig. S24). In CO 2 RR on Ag-based cata- lyst,bothbareAgandAg-CIPHshowedcom- parable current densities (fig. S25), with ...

images revealed the different layers in the CIBH catalyst (Fig. 4B). High-resolution cryo- microtomed cross-section images obtai ...

CATALYSIS Na + -gated water-conducting nanochannels for boosting CO 2 conversion to liquid fuels Huazheng Li^1 , Chenglong Qiu^2 ...

water permeance did not exhibit large variation (less than a factor of 3). Relatively high gas per- meances can be attributed to ...

leading to much faster transport of water mole- cules through the zeolitic nanochannel. To better understand the potential gatin ...

is 1.27 Å away from the center, which is con- sistent with previous reports ( 17 , 18 ); in the presence of H 2 O, H 2 ,andCO 2 ...

purity of 94.6 wt % (Fig. 3D, lower right inset, and fig. S24). We compared our catalytic reaction results with those previously ...

MULTIFERROICS Room temperature magnetoelectric coupling in a molecular ferroelectric ytterbium(III) complex Jérôme Long^1 *, Max ...

crystal x-ray diffraction, we found thatR,R- 1 andS,S-2are iso- structural to the dysprosium ana- log ( 28 ). The two enantiomer ...

low temperature (figs. S15 to S20 and tables S4 to S6) ( 32 ). Both enantiomers crystallized in the acen- tric space groupP 21 , ...

field (Fig. 3A). We determined a maximum local longitudinal piezoelectric coefficientdOOP¼ 73 pm V^1 at room temperature, which ...

with magnetic field and reached ~10−^4 (1 kOe). The magnetostriction value we found was con- sistent with the macroscopic data w ...

Schneideret al.,Science 367 , 676–681 (2020) 7 February 2020 1of5 ORGANIC CHEMISTRY Total synthesis of the complex taxane diterp ...

the correct functionalization pattern to the B-ring (Fig. 3). This required hydroxylation of C5 and installation of the fifth qu ...

trans-diastereomer ( 24 ). Single-crystal x-ray diffraction confirmed that pinacol 23 (0.2 g prepared) thus contained the [3.3.2 ...

favor of the desired and more reactive C2 po- sition. Final hydrogenation of the benzylidene acetal delivered (±)-canataxpropell ...

factors on compounds (–)- 9 and (–)- 13 by Parsons’x-ray analysis (see the supplementary materials) ( 28 ). In addition, we dete ...