Construction of Cu-based MOFs with enhanced hydrogenation performance by integrating open electropositive metal sites

Abstract

A kind of new Cu(ii)-MOF with open electropositive metal Cu sites exhibits excellent activity, selectivity and reusability in hydrogenation of 4-nitrophenol to 4-aminophenol under mild conditions (25 °C, 1 atm).

Construction of Virtual Piano Performance System Based on Visual Gesture Recognition

“…More than 85% of human perception of external information is obtained through vision. erefore, in the application of virtual reality technology, visual communication has become the most important sensory interaction link in virtual reality technology, and visual technology has naturally become an important support technology for virtual reality [4]. In the early days of virtual reality technology research, the pioneer of computer graphics, Ivan Sutherland, in the Sword of Damocles system, realizes 3D stereoscopic display; the suspended objects in the air were observed with the human eye, which was very noticeable.…”

Magnetic Cu/Co nanoparticles supported on nitrogen‐doped porous carbon derived from Cu/Co@aZIF: Investigation of catalytic activity and structural properties

“…The TOF value of the Cu/Co@NPC nanocatalyst was calculated as 18.3 h −1 , which is lower than the commercial Pd/C catalyst and some of those previously reported catalysts (Table 5). [ 2,35,36,60–71 ]…”

“…The TOF value of the Cu/Co@NPC nanocatalyst was calculated as 18.3 h À1 , which is lower than the commercial Pd/C catalyst and some of those previously reported catalysts (Table 5). [2,35,36,[60][61][62][63][64][65][66][67][68][69][70][71] However, the nanocatalyst discussed here outperforms conventional catalysts in a shorter time frame, under air, and with a smaller catalyst load than commercial Pd/C catalysts and catalysts reported in the literature. The carbon matrix hosting Cu and Co nanoparticles may be responsible for the increased catalytic activity of the Cu/Co@NPC nanocatalyst by aiding the mass transfer of the nitro compound.…”

Valence-mixed CuOx-nanoparticles anchored biomass-based carbon nanofiber for boosting toxic nitroarenes reduction: Synthesis, kinetics, and mechanisms

“…Fig. 6H presents a detailed comparison of CuO x /CF-3 with Cu-containing catalysts reported in the literature [38,[48][49][50][51][52]. CuO x /CF-3 outperformed other Cu-based catalysts judged by the catalytic parameters of a higher rate constant and a shorter reaction time.…”