Hybrids of gold nanoparticles and oligo(p-phenyleneethynylene)s end-functionalized with alkynylruthenium groups:Outstanding two-photon absorption in the second biological window

作     者：Cristóbal Quintana Mahbod Morshedi Jun Du Joseph P.L.Morrall Jan K.Zaręba Marek Samoc Marie P.Cifuentes Mark G.Humphrey Cristóbal Quintana;Mahbod Morshedi;Jun Du;Joseph P.L.Morrall;Jan K.Zar(e)ba;Marek Samoc;Marie P.Cifuentes;Mark G.Humphrey

作者机构：I Research School of ChemistryAustralian National UnriversityCanberraACT 2601Australia Advanced Materials Engineering and Modelling GroupWroclaw University of Science and TechnologyWroclaw 50370Poland 

出 版 物：《Nano Research》 (纳米研究（英文版）)

年 卷 期：2020年第13卷第10期

页      面：2755-2762页

核心收录：

学科分类：0808[工学-电气工程] 081704[工学-应用化学] 0809[工学-电子科学与技术（可授工学、理学学位）] 07[理学] 08[工学] 0817[工学-化学工程与技术] 0805[工学-材料科学与工程（可授工学、理学学位）] 070303[理学-有机化学] 0703[理学-化学] 0702[理学-物理学] 

基　　金：We thank the Australian Research Council(DP170100411:M.G.H.and M.S.) the National Science Centre(NCN)Poland(UMO-2016/22/M/ST4/00275:J.K.Z.and M.S.)for support of this work.C.Q.thanks Becas Chile(Agencia Nacional de Investigacion y Desarrollo)for financial support in the form of a PhD scholarship(2015-72160061),J.P.L.M.thanks the Australian Government for an Australian Postgraduate Award,J.D.thanks the China Scholarship Council and the Australian National University for a CSC-ANU scholarship,and J.K.Z.thanks the Foundation for Polish Science(FNP)for support.The authors acknowledge the facilities,and the scientific and technical assistance,of the Australian Microscopy&Microanalysis Research Facility and the Centre of Advanced Microscopy at the Australian National University 

主　　题：gold nanoparticles inorganic materials metal alkynyl complexes nonlinear optics organometallics 

摘      要：Oligo(p-phenyleneethynylene)s(OPEs)end-capped with(alkynyl)bis(diphosphine)ruthenium and thiol/thiolate groups stabilize ca.2 nm diameter gold nanoparticles(AuNPs).The morphology,elemental composition and stability of the resultant organometallic OPE/AuNP hybrid materials have been defined using a combination of molecular-and nano-material chacterization *** hybrids display long-term stability in solution(more than a month),good solubility in organic solvents,reversible rutheniumcentered oxidation,and transparency beyond 800 nm,and possess very strong nonlinear absorption activity at the first biological window,and unprecedented two-photon absorption activity in the second biological window(σ2 up to 38,000 GM at 1,050 nm).