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采用溶液法制備技術(shù)，實現(xiàn)等離子共振金屬微納結(jié)構(gòu)的大面積均勻制備，方法簡單、成本低廉、實用性強。該類結(jié)構(gòu)在表面增強拉曼散射、隨機激光、表面增強熒光、生物傳感器和光電子器件等領(lǐng)域獲得成功應(yīng)用。實現(xiàn)了高性能表面增強拉曼散射基底的大面積、可控制備，該制備技術(shù)具有一定的產(chǎn)業(yè)化前景，并在食品安全檢測、疾病的早期診斷等領(lǐng)域有著重要的應(yīng)用前景。已發(fā)表學(xué)術(shù)論文40余篇，其中部分成果發(fā)表在Advanced Material, Nanoscale, Nanotechnology, Plasmonics 和Optics Express上。

2.有機光電子器件

采用溶液法制備手段，實現(xiàn)高效率有機電致發(fā)光器件和有機太陽能電池，制備方法簡單、效率高，具有重要的應(yīng)用前景。利用本研究組在金屬等離子共振金屬納米結(jié)構(gòu)方面的制備優(yōu)勢，將該類結(jié)構(gòu)應(yīng)用于有機光電子器件研究。利用等離子共振金屬納米結(jié)構(gòu)的表面增強效應(yīng)，研究局域化的強電磁場對有機光電子器件中激子的產(chǎn)生、復(fù)合或分離的影響，研究表面增強效應(yīng)對有機光電子器件的影響機制，探索獲得新型、穩(wěn)定有機光電子器件的新技術(shù)。

三、主持科研項目

(1)北京市自然科學(xué)基金：穩(wěn)定性增強的磷光電致發(fā)光器件研究

(2)國家自然科學(xué)基金-青年科學(xué)基金項目：基于形貌可控金納米島隨機陣列的表面增強拉曼散射光譜學(xué)調(diào)諧特性研究

(3)教育部博士點學(xué)科專項科研基金聯(lián)合資助項目-新教師類：金屬光子晶體增強的高效、穩(wěn)定磷光電致發(fā)光器件研究

(4)北京市教育委員會科技計劃面上項目：新型表面增強拉曼散射基底的制備及應(yīng)用研究

四、主要科研成果

(1)Hongmei Liu, Xinping Zhang, Tianrui Zhai, Thomas Sander, Limei Chen, and Peter J Klar “Centimeter-scale homogeneous SERS substrates with seven-order global enhancement through thermally controlled plasmonic nanostructures” Nanoscale, 2014, 6(10): 5099-5105

(2)Hongmei Liu，Xinping Zhang, and Tianrui Zhai, “Plasmonic nano-ring s through patterning gold nanoparticles into interferograms” Opt. Exp. 2013, 21(13):15314-15322

(3)Hongmei Liu，Xinping Zhang, Zhaoguang Pang and Tianrui Zhai,“Resonant orders of the coupled mode in waveguide metallic photonic crystals” Opt. Eng. 2013, 52(3), 034601

(4)Hongmei Liu, Zhaoguang Pang, Tianrui Zhai and Xinping Zhang “Transformation of metallic photonic structures from nano-hole to nano-island s through annealing process” Chinese Optics Letters, 2012, 10: 12502

(5)Hongmei Liu, Xinping Zhang and Zhihua Gao, “Lithography-free fabrication of large-area plasmonic nanostructures using colloidal gold nanoparticles” Photonics and Nanostructures - Fundamentals and Applications, 2010, 8(3):131-139

(6)Hongmei Liu, Xinping Zhang, Jingjuan Li and Yanrong Song, “Modified solution-processible fabrication of metallic photonic crystals with template removed” Chinese Optics Letters, 2009, 7(10): 912-914

(7)Hongmei Liu, Siewling Chew, Pengfei Wang, Jian He, Xiaohong Zhang* and Shuittong Lee,“High Efficient Endothermic Energy Transfer in Polymeric Light-emitting Devices Based on New Cyclometalated Ir(III)-complexes” Appl. Phys. Lett., 2008, 92: 023301

(8)Xinping Zhang, Hongmei Liu, Hongwei Li, Tianrui Zhai, “Direct Nanopatterning into Conjugated Polymers Using Interference Crosslinking” Macromol. Chem. Phys. 2012, 213(12): 1285-1290

(9)Xinping Zhang, Hongmei Liu and Zhaoguang Pang, “Annealing Process in the Refurbishment of the Plasmonic Photonic Structures Fabricated Using Colloidal Gold Nanoparticles”, Plasmonics, 2011, 6: 273-279

(10)Xinping Zhang, Hongmei Liu and Shengfei Feng, “Solution-processible fabrication of large-area patterned and unpatterned gold nanostructures” Nanotechnology, 2009, 20: 425303

(11)Jian He, Hongmei Liu, Shandong Xu, PengfeiWang and Xiaohong Zhang,* “A new family of solution-processible tris-(pinene-phenylpyridine) iridium(III) derivatives for polymer light-emitting diodes”, Synthetic Metals, 2009, 159: 689-694

(12)Jian He, Hongmei Liu, Yanfeng Dai, Xuemei Ou, Jing Wang, Silu Tao, Xiaohong Zhang, Pengfei Wang, and Dongge Ma, “Nonconjugated Carbazoles: A Series of Novel Host Materials for Highly Efficient Blue Electrophosphorescent OLEDs”, J. Phys. Chem. C, 2009, 113: 6761-6767

(13)Xinping Zhang, Hongmei Liu, Jinrong Tian, Yanrong Song, Li Wang, Jiaoyang Song and Guozhen Zhang，“Optical polarizers based on gold nanowires fabricated using colloidal gold nanoparticles” Nanotechnology 2008, 19: 285202

(14)Xinping Zhang, Hongmei Liu, Jinrong Tian, Yanrong Song and Li Wang, “Band-Selective Optical Polarizer Based on Gold-Nanowire Plasmonic Diffraction Gratings” Nano Letters, 2008, 8: 2653

(15)Xinping Zhang, Jian Zhang, Hongmei Liu, Xueqiong Su, Li Wang, “Soft plasmons with stretchable spectroscopic response based on thermally patterned gold nanoparticles” Scientific Reports, 2014, 4: 4182

(16)Xinping Zhang, Fei Dou and Hongmei Liu, “Charge-Transfer Complex Coupled Between Polymer and H-Aggregate Molecular Crystals” J. Poly. Sci. B: Poly. Phys. 2013, DOI: 10.1002/polb.23272.

(17)Xinping Zhang, Fei Dou and Hongmei Liu, “Molecular concentration sensor based on the diffraction resonance mode of gold nanowire gratings”, Nanotechnology, 2010, 21(33): 335501.

(18)Xinping Zhang, Shengfei Feng, Hongmei Liu, Jinrong Tian, Yanrong Song, and Li Wang,“Enhanced optical response in doubly waveguided plasmonic gratings” Appl. Phys. Lett. 2008, 93: 093113

(19)Xinping Zhang, Xuemei Ma, Fei Dou, Pengxiang Zhao, and Hongmei Liu, “A biosensor based on metallic photonic crystals for the detection of specific bioreactions” Adv. Funct. Mater. 2011, 21(22): 4219-4227

五、曾獲獎勵

1.張新平，翟天瑞，劉紅梅，王麗，馮勝飛，馬雪梅，龐兆廣，納米光子結(jié)構(gòu)的功能化及其在生物傳感器和光電子技術(shù)中的應(yīng)用，教育部，高等學(xué)�？茖W(xué)研究優(yōu)秀成果獎（科學(xué)技術(shù)）自然科學(xué)二等獎，2012。

2.張曉宏，張秀娟，陶斯祿，張成義，王輝，劉紅梅，陳歡，高效光/電轉(zhuǎn)換的新型光功能材料的基礎(chǔ)研究，北京市科技成果獎，一等獎，2011。