The production of renewable fuels through water splitting via photocatalytic hydrogen production holds significant promise.Nonetheless,the sluggish kinetics of hydrogen evolution and the inadequate water adsorption on...The production of renewable fuels through water splitting via photocatalytic hydrogen production holds significant promise.Nonetheless,the sluggish kinetics of hydrogen evolution and the inadequate water adsorption on photocatalysts present notable challenges.In this study,we have devised a straightforward hydrothermal method to synthesize Bi_(2)O_(3)(BO)derived from metal‐organic frameworks(MOFs),loaded with flower-like ZnIn_(2)S_(4)(ZIS).This approach substantially enhances water adsorption and surface catalytic reactions,resulting in a remarkable enhancement of photocatalytic activity.By employing triethanolamine(TEOA)as a sacrificial agent,the hydrogen evolution rate achieved with 15%(mass fraction)ZIS loading on BO reached an impressive value of 1610μmol∙h^(−1)∙g^(−1),marking a 6.34-fold increase compared to that observed for bare BO.Furthermore,through density functional theory(DFT)and ab initio molecular dynamics(AIMD)calculations,we have identified the reactions occurring at the ZIS/BO S-scheme heterojunction interface,including the identification of active sites for water adsorption and catalytic reactions.This study provides valuable insights into the development of high-performance composite photocatalytic materials with tailored electronic properties and wettability.展开更多
选取16例公犬行去势术,将公犬随机分为2组(每组8只),分别为手术组和NaHS干预组(3.92μmol/kg Na HS),肌内注射15mg/kg氯胺酮注射液进行全麻,其中供体NaHS麻前20min静脉注射,观察对麻醉时间的影响,来评价外源性H_2S的干预效果。外源性H_2...选取16例公犬行去势术,将公犬随机分为2组(每组8只),分别为手术组和NaHS干预组(3.92μmol/kg Na HS),肌内注射15mg/kg氯胺酮注射液进行全麻,其中供体NaHS麻前20min静脉注射,观察对麻醉时间的影响,来评价外源性H_2S的干预效果。外源性H_2S干预犬麻醉实验表明,在麻醉时期方面差异性显著(P<0.05),并且在H_2S干预麻醉时无明显异常现象发生。展开更多
文摘The production of renewable fuels through water splitting via photocatalytic hydrogen production holds significant promise.Nonetheless,the sluggish kinetics of hydrogen evolution and the inadequate water adsorption on photocatalysts present notable challenges.In this study,we have devised a straightforward hydrothermal method to synthesize Bi_(2)O_(3)(BO)derived from metal‐organic frameworks(MOFs),loaded with flower-like ZnIn_(2)S_(4)(ZIS).This approach substantially enhances water adsorption and surface catalytic reactions,resulting in a remarkable enhancement of photocatalytic activity.By employing triethanolamine(TEOA)as a sacrificial agent,the hydrogen evolution rate achieved with 15%(mass fraction)ZIS loading on BO reached an impressive value of 1610μmol∙h^(−1)∙g^(−1),marking a 6.34-fold increase compared to that observed for bare BO.Furthermore,through density functional theory(DFT)and ab initio molecular dynamics(AIMD)calculations,we have identified the reactions occurring at the ZIS/BO S-scheme heterojunction interface,including the identification of active sites for water adsorption and catalytic reactions.This study provides valuable insights into the development of high-performance composite photocatalytic materials with tailored electronic properties and wettability.
基金Supported by the National Natural Science Foundation of China(11061004)the National Social Science Foundation of China(12BJY055)the Construct Program of the Key Discipline in Hunan Province
文摘选取16例公犬行去势术,将公犬随机分为2组(每组8只),分别为手术组和NaHS干预组(3.92μmol/kg Na HS),肌内注射15mg/kg氯胺酮注射液进行全麻,其中供体NaHS麻前20min静脉注射,观察对麻醉时间的影响,来评价外源性H_2S的干预效果。外源性H_2S干预犬麻醉实验表明,在麻醉时期方面差异性显著(P<0.05),并且在H_2S干预麻醉时无明显异常现象发生。
