国家纳米科学中心谢黎明

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谢黎明，国家纳米科学中心研究员。1982年出生于湖南；2004年毕业于北京大学（本科）；2009年6月获得北京大学博士学位，博士期间（2007-2008）前往美国MIT进行联合培养；2009年至2012年在美国斯坦福大学从事博士后研究；2012年5月起被聘为国家纳米科学中心研究员，博士生导师。主要从事过的工作：1）单根单壁碳纳米管的光致发光、电致发光和拉曼光谱研究；2）单根石墨烯纳米带的高分辨结构表征、拉曼光谱表征和器件研究；3）石墨烯作为基底在拉曼光谱检测中的应用研究。在JACS、Nature Nanotech.、Nano Lett.、ACS nano、Nano  Research等杂志上发表论文20余篇，引用次数300余次。

谢黎明

姓    名:谢黎明        
性    别:男
职    务:无        
职    称:研究员
通讯地址:北京市海淀区中关村北一条11号
邮政编码:100190        
电子邮件:xielm@nanoctr.cn                

目前的研究兴趣是光谱技术在纳米医药材料表征、纳米医药成像和纳米材料表征等方面的应用，主要包括：1）纳米医药材料的标准检测方法研究；2）深紫外拉曼光谱和表面增强拉曼光谱在疾病检测中的应用，如癌症的早期检测等；3）低维纳米材料（如二维的石墨烯、六方BN、MoS2，一维的碳纳米管、石墨烯纳米带……）的拉曼光谱表征。
谢黎明研究员课题组
研究领域：
显微拉曼光谱
纳米医药
生物检测
二维晶体薄膜材料
碳纳米材料
代表论著：
1. Xie, L. M., Wang, H. L., Jin, C. H., Wang, X. R., Jiao, L. Y., Suenaga, K., and Dai, H. J, Graphene nanoribbons from unzipped carbon nanotubes: atomic structures, Raman spectroscopy and electrical properties. Journal of the American Chemical Society, 2011. DOI: 10.1021/ja203860a.
2. Xie, L. M., Jiao, L. Y., and Dai, H. J., Selective Etching of Graphene Edges by Hydrogen Plasma. Journal of the American Chemical Society, 2010. 132(42): p. 14751-14753.
3. Xie, L. M., Ling, X., Fang, Y., Zhang, J., and Liu, Z. F., Graphene as a Substrate To Suppress Fluorescence in Resonance Raman Spectroscopy. Journal of the American Chemical Society, 2009. 131(29): p. 9890-9891.
4. Xie, L. M., Liu, C., Zhang, J., Zhang, Y. Y., Jiao, L. Y., Jiang, L., Dai, L., and Liu, Z. F., Photoluminescence recovery from single-walled carbon nanotubes on substrates. Journal of the American Chemical Society, 2007. 129(41): p. 12382-12383.
5. Xie, L. M., Farhat, H., Son, H. B., Zhang, J., Dresselhaus, M. S., Kong, J., and Liu, Z. F., Electroluminescence from Suspended and On-Substrate Metallic Single-Walled Carbon Nanotubes. Nano Letters, 2009. 9(5): p. 1747-1751.
6. Xie, L. M., Chou, S. G., Pande, A., Pande, J., Zhang, J., Dresselhaus, M. S., Kong, J., and Liu, Z. F., Single-Walled Carbon Nanotubes Probing the Denaturation of Lysozyme. Journal of Physical Chemistry C, 2010. 114(17): p. 7717-7720.
7. Xie, L. M., Yu, X. C., Feng, C. Q., Zhang, J., and Liu, Z. F., Raman Characterization of a Highly Folded Individual Serpentine (7,5) Single-Walled Carbon Nanotube. Acta Physico-Chimica Sinica, 2010. 26(4): p. 801-804.
8. Wu, J., Xie, L. M. (co-first author), Li, Y. G., Wang, H. L., Ouyang, Y. J., Guo, J., and Dai, H. J., Controlled Chlorine Plasma Reaction for Noninvasive Graphene Doping. Journal of the American Chemical Society, 2011, DOI: 10.1021/ja2091068
9. Ling, X., Xie, L. M., Fang, Y., Xu, H., Zhang, H. L., Kong, J., Dresselhaus, M. S., Zhang, J., and Liu, Z. F., Can Graphene be used as a Substrate for Raman Enhancement? Nano Letters, 2010. 10(2): p. 553-561.
10. Xu, H., Xie, L. M., Zhang, H. L., and Zhang, J., Effect of Graphene Fermi Level on the Raman Scattering Intensity of Molecules on Graphene.ACS Nano, 2011. 5(7): p. 5338-5344.
11. Zhang, Y. Y., Xie, L. M., Zhang, J., Wu, Z. Y., and Liu, Z. F., Temperature coefficients of Raman frequency of individual single-walled carbon nanotubes. Journal of Physical Chemistry C, 2007. 111(38): p. 14031-14034.
12. Yang, Y. L., Xie, L. M., Chen, Z., Liu, M. H., Zhu, T., and Liu, Z. F., Purification and length separation of single-walled carbon nanotubes using chromatographic method. Synthetic Metals, 2005. 155(3): p. 455-460.
13. Wu, J., Xie, L. M., Hong, G. S., Lim, H. E., Thendie, B., Miyata, Y., Shinohara, H., and Dai, H. J., Short Channel Field-Effect Transistors from Highly Enriched Semiconducting Carbon Nanotubes.Nano Research, 2012.
14. Jiao, L. Y., Xie, L. M., and Dai, H. J., Densely aligned graphene nanoribbons at similar to 35 nm pitch.Nano Research, 2012. 5(4): p. 292-296.
15. Zhang, J., Hong, G., Xie, L. M., Yu, X. C., and Liu, Z. F. Growth of Single-Walled Carbon Nanotubes on Surface with Controlled Structures. MRS Proceedings (2009). 1204, 1204-K02-01 doi:10.1557/PROC-1204-K02-01
16. Sherlock, S. P., Tabakman, S. M., Xie, L. M., and Dai, H. J., Photothermally Enhanced Drug Delivery by Ultrasmall Multifunctional FeCo/Graphitic Shell Nanocrystals. ACS Nano, 2011. 5(2): p. 1505-1512.
17. Li, Y. G., Wang, H. L., Xie, L. M., Liang, Y. Y., Hong, G. S., and Dai, H. J., MoS2 Nanoparticles Grown on Graphene: An Advanced Catalyst for the Hydrogen Evolution Reaction. Journal of the American Chemical Society, 2011: p. ASAP. DOI: 10.1021/ja201269b.
18. Chen, Z., Yang, Y. L., Wu, Z. Y., Luo, G., Xie, L. M., Liu, Z. F., Ma, S. J., and Guo, W. L., Electric-field-enhanced assembly of single-walled carbon nanotubes on a solid surface. Journal of Physical Chemistry B, 2005. 109(12): p. 5473-5477.
19. Li, Y., G,, Zhou, W., Wang, H. L., Xie, L. M., Liang, Y. Y., Wei, F., Idrobo, J. C., Pennycook, S. J., and Dai, H. J., An oxygen reduction electrocatalyst based on carbon nanotube–graphene complexes.Nature Nanotechnology, 2012, DOI: 10.1038/NNANO.2012.72
20. Wang, X. R., Ouyang, Y. J., Jiao, L. Y., Wang, H. L., Xie, L. M., Wu, J., Guo, J., and Dai, H. J., Graphene nanoribbons with smooth edges behave as quantum wires.Nature Nanotechnology, 2011. 6(9): p. 563-567.

ganmaola

中国国家纳米科学中心的谢黎明作者等人，通过拉曼光谱和1T-TaS2中的电压振荡，研究了电场驱动的多态CDW相变；分析了声学和光学声子模式下，1T-TaS2的电导率与拉曼光谱强度之间的相关性。研究表明多态转换源于从近公度结构NCCDW相到失衡的中间状态，再到非公度结构ICCDW相转变。随着电场的增加，不同CDW状态的停留时间也发生了变化。在较低温度下，由于中间相之间的较高能量势垒和较低温度下较低的热激发能量，多态振荡消失。相关成果以“Raman Spectroscopic and Dynamic Electrical Investigation of Multi-State Charge-Wave-Density Phase Transitions in 1T-TaS2”为题发表在Nano Letter上。

1T-TaS2的非公度结构

本文分析了1T-TaS2的电驱动多态CDW跃迁的机制。 通过面内电场分析发现：可以由IV曲线中的多个步骤反映中间状态，研究NC到IC相变过程。同时，温度和电压与拉曼光谱之间的相关性，证明了电场导致的不平衡的中间状态，能够导致NC到IC的相变。另外， 中间状态的1T-TaS2振荡器具有多态波形的电压振荡， 电压振荡也可以作为研究不同温度下NC，IC和中间状态动态的有效方法。

文献链接：Raman Spectroscopic and Dynamic Electrical Investigation of Multi-State Charge-Wave-Density Phase Transitions in 1T-TaS2（Nano Letters, 2019, DOI: 10.1021/acs.nanolett.8b04855）。