Photothermal conversion is one of the key technologies in solar energy collection,seawater desalination,photo thermal treatment and other important fields.In order to develop next generation photothermal materials,fou...Photothermal conversion is one of the key technologies in solar energy collection,seawater desalination,photo thermal treatment and other important fields.In order to develop next generation photothermal materials,four poly oxometalates,[(CH_(3))_(2)NH_(2)]_(12)H_(5)[Ni_(3)Mo_(18)O_(54)(HPO_(3))_(10)(PO_(4))]·_(18)H_(2)O(Compound 1),[(CH_(3))_(2)NH_(2)]_(1)Na_(11)[Ni_(2)Mo_(8)O_(22)(HPO_(3))_(10)]·16H_(2)O(Compound 2),Na_(15)(OH)_5[Mo_(6)O_(18)(HPO_(3))_(4)]_(2)[MoO]_(1.5)·16H_(2)O(Compound 3),[(CH_(3))_(2)NH_(2)]_(4)Na_(11)[Na[Mo_6O_(15)(HPO_(3))_(4)]_(2)]·_(18)H_(2)O(Compound 4),are successfully designed and synthesized via a micro wave-as sis ted reaction protocol.Compounds 1-4 not only exhibit broad absorption and notable photothermal conversion effects in near-infrared(NIR)region,but also have high photothermal conversion efficiencies and high quality NIR photothermal imaging effects under NIR laser irradiation.Compound 1 shows the best photothermal conversion effect,and it provides a unique model to explore the relationship between the complex metal oxide structure and photothermal conversion behavior at the molecular level.Both the experimental results and theoretical calculations consistently conclude that the charge and degree of electron delocalization on the Cluster have a robust influence on the photothermal conversion,as well as the aggregation microstructures.展开更多
基金financially supported by the Natural Science Foundation of Hunan Province(No.2020JJ4684)the Fundamental Research Funds for the Central Universities of Central South University(No.2021zzts0522)+1 种基金the Recruitment Program of Global Youth Expertsthe Open Project of the Key Laboratory of Digital Flavor Research of Hunan China Tobacco Industry Co.,Ltd(No.202143000834024)。
文摘Photothermal conversion is one of the key technologies in solar energy collection,seawater desalination,photo thermal treatment and other important fields.In order to develop next generation photothermal materials,four poly oxometalates,[(CH_(3))_(2)NH_(2)]_(12)H_(5)[Ni_(3)Mo_(18)O_(54)(HPO_(3))_(10)(PO_(4))]·_(18)H_(2)O(Compound 1),[(CH_(3))_(2)NH_(2)]_(1)Na_(11)[Ni_(2)Mo_(8)O_(22)(HPO_(3))_(10)]·16H_(2)O(Compound 2),Na_(15)(OH)_5[Mo_(6)O_(18)(HPO_(3))_(4)]_(2)[MoO]_(1.5)·16H_(2)O(Compound 3),[(CH_(3))_(2)NH_(2)]_(4)Na_(11)[Na[Mo_6O_(15)(HPO_(3))_(4)]_(2)]·_(18)H_(2)O(Compound 4),are successfully designed and synthesized via a micro wave-as sis ted reaction protocol.Compounds 1-4 not only exhibit broad absorption and notable photothermal conversion effects in near-infrared(NIR)region,but also have high photothermal conversion efficiencies and high quality NIR photothermal imaging effects under NIR laser irradiation.Compound 1 shows the best photothermal conversion effect,and it provides a unique model to explore the relationship between the complex metal oxide structure and photothermal conversion behavior at the molecular level.Both the experimental results and theoretical calculations consistently conclude that the charge and degree of electron delocalization on the Cluster have a robust influence on the photothermal conversion,as well as the aggregation microstructures.
