To improve the application of networking to analytic instruments, a kind of networking method based on conversion module between serial port RS-232 and protocol TCP/IP of MOXA Company is studied and compared with trad...To improve the application of networking to analytic instruments, a kind of networking method based on conversion module between serial port RS-232 and protocol TCP/IP of MOXA Company is studied and compared with traditional methods. Several characteristic classifications of equipment are summarized, and the methods of relevant data treatment are introduced. The key technical issues and successful cases are also presented which provides the networking of equipment in laboratories with a flexible and highly efficient solution.展开更多
In the present investigation,we examined the water and oxygen reduction ability of ZnCr-layered double hydroxide decorated with Au nanoparticles and reduced graphene oxide,prepared via in situ crystallization and phot...In the present investigation,we examined the water and oxygen reduction ability of ZnCr-layered double hydroxide decorated with Au nanoparticles and reduced graphene oxide,prepared via in situ crystallization and photoreduction method.The fabricated Au@LDH/RGO composite was well characterized by different analytical instruments like PXRD,FTIR,Raman,XPS,EDX,FESEM,and TEM,suggesting strong interaction between the components of the ternary hybrid.Further,the Au@LDH/RGO catalyst shows the best hydrogen evolution reaction(HER),i.e.,918.76μmol/2 h(no.evolved H_(2)gas is 4.9903×10^(15)cm^(−2)s^(−1))with an ACE of 10.5%and excellent reusability up to 8 h with little change in activity.Additionally,the ternary nanohybrid depicts robust photocatalytic O_(2)reduction reaction performance,i.e.,24.3μmol/2 h of H_(2)O_(2)(SCC=0.23%),which goes via a superoxide radical mechanism as confirmed through tracing experiments.The observed high photocatalytic activity is attributed to the synergetic effect of both plasmonic Au nanoparticles and conjugatedΠ-skeleton of RGO,which resulted in high charge carrier density and reduction of the recombination process.This observation is well justified by Mott-Schottky,EIS,PL,and photocurrent measurements.Further,the HER performance was also tested under different hole scavengers to figure out their effect.The SPR effect of Au and conjugated cyclic carbon network of RGO plays a pivotal part in improving the H_(2)and H_(2)O_(2)generation ability of LDH under visible light illumination.展开更多
基金This paper is supported by the National Natural Science Foundation of China under Grant No.50705070
文摘To improve the application of networking to analytic instruments, a kind of networking method based on conversion module between serial port RS-232 and protocol TCP/IP of MOXA Company is studied and compared with traditional methods. Several characteristic classifications of equipment are summarized, and the methods of relevant data treatment are introduced. The key technical issues and successful cases are also presented which provides the networking of equipment in laboratories with a flexible and highly efficient solution.
文摘In the present investigation,we examined the water and oxygen reduction ability of ZnCr-layered double hydroxide decorated with Au nanoparticles and reduced graphene oxide,prepared via in situ crystallization and photoreduction method.The fabricated Au@LDH/RGO composite was well characterized by different analytical instruments like PXRD,FTIR,Raman,XPS,EDX,FESEM,and TEM,suggesting strong interaction between the components of the ternary hybrid.Further,the Au@LDH/RGO catalyst shows the best hydrogen evolution reaction(HER),i.e.,918.76μmol/2 h(no.evolved H_(2)gas is 4.9903×10^(15)cm^(−2)s^(−1))with an ACE of 10.5%and excellent reusability up to 8 h with little change in activity.Additionally,the ternary nanohybrid depicts robust photocatalytic O_(2)reduction reaction performance,i.e.,24.3μmol/2 h of H_(2)O_(2)(SCC=0.23%),which goes via a superoxide radical mechanism as confirmed through tracing experiments.The observed high photocatalytic activity is attributed to the synergetic effect of both plasmonic Au nanoparticles and conjugatedΠ-skeleton of RGO,which resulted in high charge carrier density and reduction of the recombination process.This observation is well justified by Mott-Schottky,EIS,PL,and photocurrent measurements.Further,the HER performance was also tested under different hole scavengers to figure out their effect.The SPR effect of Au and conjugated cyclic carbon network of RGO plays a pivotal part in improving the H_(2)and H_(2)O_(2)generation ability of LDH under visible light illumination.
