徐清华

 

徐清华  高级研究员

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本科,浙江大学化学系(1989-1993)

硕士,北京大学(1993-1996)及芝加哥大学(1996-1997)

博士,美国加州大学伯克利分校(1998-2001)

博士后, 美国斯坦福大学(2001-2002)及加州大学圣巴巴拉分校(2002-2005)


电邮qinghua@nusri.cnchmxqh@nus.edu.sg


研究领域

该课题组主要科研方向为纳米材料,光电材料,纳米光子学,生物光子学,非线性光谱及成像技术,材料物理和化学等领域。我们制备各种纳米复合材料和有机复合材料,研究其光学性质,发展它们在传感器,成像,生物医疗,环境及新能源方面的应用,并探究其基本工作原理。

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代表性论文

1. X.-F. Jiang, L. Polavarapu, S.T. Neo, T. Venkatesan, and Q.-H. Xu*, "Graphene Oxides as Tunable Broadband Nonlinear Optical Materials for Femtosecond Laser Pulses", J. Phys. Chem. Lett., 3 (6), pp:785-790, 2012.

2. X.Q. Shen, L. Li, H. Wu, S. Q. Yao, and Q.-H. Xu*, "Photosensitizer-Doped Conjugated Polymer Nanoparticles for Simultaneous Two-photon Imaging and Two-photon Photodynamic Therapy in Living Cells", Nanoscale, 3 (12), 5140-5146, 2011.

3. L. Polavarapu, K.K. Manga, H.D. Cao, K.P. Loh, Q.-H. Xu*, "Preparation of Conductive Silver Films at Mild Temperatures for Printable Organic Electronics", Chem. Mater., 23, 3273-3276, 2011.

4. L. Polavarapu, K.K. Manga, Y. Kuai, P.K. Ang, H.D. Cao, J. Balapanuru, K.P. Loh, Q.-H. Xu*, "Alkylamine Capped Metal Nanoparticle Inks for Printable SERS Substrates, Electronics and Broadband Photon Detectors", Nanoscale, 3(5), pp:2268-2274, 2011.

5. M. D. Regulacio, C. Ye, S.H. Lim, M. Bosman, L. Polavarapu, Q.-H. Xu*, M.-Y. Han, "One-Pot Synthesis of Cu1.94S-CdS and Cu1.94S-ZnxCd1-xS Nanodisk Heterostructures", J. Am. Chem. Soc., 133 (7), pp:2052-2055, 2011.

6. Z.P. Guan, L. Polavarapu, Q.-H. Xu*, "Enhanced Two-photon Emission in Coupled Metal Nanoparticles Induced by Conjugated Polymers", Langmuir, 26 (23), pp:18020-18023, 2010.

7. T.T. Zhao, H. Wu, S.Q. Yao, Q.-H. Xu*, and G.Q. Xu*, "Nanocomposites Containing Gold Nanorods and Porphyrin Doped Mesoporous Silica with Dual Capability of Two-photon Imaging and Photodynamic Therapy", Langmuir, 26(18), pp:14937-14942, 2010.

8. X.S. Ren and Q.-H. Xu*, "Label Free DNA Sequence Detection with Enhanced Sensitivity and Selectivity using Cationic Conjugated Polymers and PicoGreen", Langmuir, 25(1), pp:43-47, 2009.

9. N. Tian and Q.-H. Xu, "Enhanced Two-Photon Excitation Fluorescence by Fluorescence Resonance Energy Transfer Using Conjugated Polymers", Adv. Mater., 19(15), pp:1988-1991, 2007.

10. D. Cheng and Q.-H. Xu*, "Separation Distance Dependent Fluorescence Enhancement of Fluorescein Isothiocyanate by Silver Nanoparticles", Chem. Commun., No.3, pp:248-250, 2007.


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