Unique ZnS nanobuns decorated with reduced graphene oxide （ROO） was synthesized and found to exhibit a synergetic effect as a highly efficient and low-cost counter electrode （CE） in dye-sensitized solar cells （D...Unique ZnS nanobuns decorated with reduced graphene oxide （ROO） was synthesized and found to exhibit a synergetic effect as a highly efficient and low-cost counter electrode （CE） in dye-sensitized solar cells （DSCs）. Using this ZnS-ROO CE, a power conversion efficiency （PCE） of 7.03% was achieved. This value was 53% and 41 % higher than those of pure ZnS and ROO CEs, respectively. The ZnS-ROO nanocomposite is indeed an efficient and cost-effective Pt-like alternative for iodine reduction reaction.展开更多
The abuse of antibiotics has brought great harm to the human living environment and health,so it is extremely significant to develop an efficient and simple method to detect trace antibiotic residues in various wastew...The abuse of antibiotics has brought great harm to the human living environment and health,so it is extremely significant to develop an efficient and simple method to detect trace antibiotic residues in various wastewaters.Herein,a new two-dimensional(2D)Cd-based metal−organic framework(Cd-MOF,namely LCU-111)and its mixed matrix membranes(MMMs)is sifted as luminescence sensors for efficient monitoring antibiotic nitrofurazone(NFZ)in various aqueous systems and applied as visible fingerprint identifying.The LCU-111 has good selectivity,sensibility,reproducibility and anti-interference for luminescent quenching NFZ with low detection limits(LODs)of 0.4567,0.3649 and 0.8071 ppm in aqueous solution,HEPES biological buffer,and real urban Tuhai River water,respectively.Interestingly,the luminescent test papers and MMMs allow the NFZ sensing easier and more rapid by naked eyes,only with a low LOD of 0.8117 ppm for MMMs sensor.Notably,by combining multiple experiments with density functional theory(DFT)calculations,the photo-induced electron transfer(PET)quenching mechanism is further elucidated.More importantly,potential practical applications of LCU-111 for latent fingerprint visualization provide lifelike evidences for effective identification of individuals,which can be applied in criminal investigation.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.51172102,51302125 and 51303076)
文摘Unique ZnS nanobuns decorated with reduced graphene oxide （ROO） was synthesized and found to exhibit a synergetic effect as a highly efficient and low-cost counter electrode （CE） in dye-sensitized solar cells （DSCs）. Using this ZnS-ROO CE, a power conversion efficiency （PCE） of 7.03% was achieved. This value was 53% and 41 % higher than those of pure ZnS and ROO CEs, respectively. The ZnS-ROO nanocomposite is indeed an efficient and cost-effective Pt-like alternative for iodine reduction reaction.
基金supported by the National Natural Science Foundation of China(Nos.21771095 and 22061019)the Natural Science Foundation of Shandong Province(Nos.ZR2021MB114 and ZR2021MB073)the Youth Innovation Team of Shandong Colleges and Universities(No.2019KJC027).
文摘The abuse of antibiotics has brought great harm to the human living environment and health,so it is extremely significant to develop an efficient and simple method to detect trace antibiotic residues in various wastewaters.Herein,a new two-dimensional(2D)Cd-based metal−organic framework(Cd-MOF,namely LCU-111)and its mixed matrix membranes(MMMs)is sifted as luminescence sensors for efficient monitoring antibiotic nitrofurazone(NFZ)in various aqueous systems and applied as visible fingerprint identifying.The LCU-111 has good selectivity,sensibility,reproducibility and anti-interference for luminescent quenching NFZ with low detection limits(LODs)of 0.4567,0.3649 and 0.8071 ppm in aqueous solution,HEPES biological buffer,and real urban Tuhai River water,respectively.Interestingly,the luminescent test papers and MMMs allow the NFZ sensing easier and more rapid by naked eyes,only with a low LOD of 0.8117 ppm for MMMs sensor.Notably,by combining multiple experiments with density functional theory(DFT)calculations,the photo-induced electron transfer(PET)quenching mechanism is further elucidated.More importantly,potential practical applications of LCU-111 for latent fingerprint visualization provide lifelike evidences for effective identification of individuals,which can be applied in criminal investigation.
基金Acknowledgments This work was supported by the National Natural Science Foundation of China （20966006）, the Natural Science Foun- dation of the Inner Mongolia Autonomous Region （2014MS0218）, and the Program for Innovative Research Team in Universities of Inner Mongolia Autonomous Region （NMGIRT-A1603）.
文摘钛二氧化物(TiO <sub>2</sub>) 广泛地为太阳能变换和环境补习作为稳固的光催化剂被采用。与控制粒子尺寸和缩小的 bandgap 构造多孔的 TiO <sub>2</sub> 的能力是为设计的一个必要要求高度有效并且 recyclable 光催化剂。这里，我们报导没有模板的醋酸与高 crystallinity 和 mesoporous 结构为可见光的应答的做碳的 TiO <sub>2</sub> microplates 的合成导致了方法。从醋酸导出的撤退电子的有二齿的羧化物 ligands 能缩小 TiO <sub>2</sub> 的 bandgap，这被显示出(1.84 ? eV ) 实质地。而且，结果的 microplate 光催化剂展出优秀 photocatalytic 效率和稳固液体的分离性能，它将为未来是有益的工业应用。
