Photothermal conversion property studies of polyoxophosphitemolybdate derivatives self-assembled through microwave-assisted synthesis  

作　　者：Mei-Qian Fu Yu-Yang Han Yan-Mei Nie Yan-Di Liu Yue Liu Peng He Wei-Dong Yu Xiang Li Piao He Juan Li Jun Yan 

机构地区：[1]School of Chemistry and Chemical Engineering,Central South University,Changsha 410000,China [2]Guangxi Huiyuan Manganese Industry Co.,Ltd,Laibin 530022,Guangxi,China [3]School of Science,Hunan University of Technology and Business,Changsha 410000,China [4]Changjun High School of Changsha,Changsha 410000,China

出　　处：《Rare Metals》2024年第11期6023-6033,共11页稀有金属（英文版）

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);the Recruitment Program of Global Youth Experts;the Open Project of the Key Laboratory of Digital Flavor Research of Hunan China Tobacco Industry Co.,Ltd(No.202143000834024)。

摘　　要：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.

关 键 词：Microwave Photothermal materials POLYOXOMETALATE Polyoxomolydate derivatives SELFASSEMBLY 

分 类 号：TB34[一般工业技术—材料科学与工程] O641.3[理学—物理化学]