Study on Spectroscopic Properties of CuO Nanoparticles
WANG Dan-jun1,GUO Li1,LI Dong-sheng1*,FU Feng1,WANG Wen-liang2,YAN Hong-tiao3
1. Department of Chemistry & Chemical Engineering, Yan’an University, Shaanxi Key Laboratory of Chemical Reaction Engineering, Yan’an 716000, China 2. School of Chemistry and Materials Science, Shaanxi Normal University, Xi’an 710062, China 3. Department of Chemistry, Northwest University, Xi’an 710069, China
Abstract：The precursor Cu2(NO3)(OH)3 was synthesized by homogeneous precipitation processing in ethanol-water(φ,1∶1)mixed solvent system using (CH2)6N4 as host-precipitates. CuO nanoparticles were prepared by heating Cu2(NO3)(OH)3 at different temperatures. XRD, FTIR, XPS, FT-Raman and UV-Vis absorption spectra techniques were applied to investigated spectrum properties of CuO nanoparticles. All of the obtained samples were indicated to be monoclinic CuO under XRD measurement. Consistent with the XRD results，the XPS method also revealed that the atomic ratio of Cu to O in our samples was 1∶1. With the increase in the calcinations temperature, the crystal of CuO grew up, the FTIR patterns revealed that the absorption of Cu—O and —OH bond in CuO nanoparticles blue-shifted and red-shifted at the same time, XPS spectrum indicated that the content of surface oxygen decreased, and the FT-Raman spectrum showed that the Raman scattering peak broadened with the decrease in the nano-CuO diameter； UV-Vis adsorption spectroscopy revealed that CuO has a wide adsorption peak at -350 nm, and the absorption edge blue-shifted with the size decreasing.
[1] ZHU Jun-wu, ZHANG Wei-guang, WANG Heng-zhi, et al(朱俊武, 张维光, 王恒志, 等). Chinese J. Inorg. Chem.(无机化学学报)，2004, 20(7): 863. [2] George V Chertihin, Lester Andrews. J. Phys. Chem. A，1997, 101: 4026. [3] Antonella Gervasini, Maela Manzoli, Gianmario Martra, et al. J. Phys. Chem. B, 2006, 110: 7851. [4] DENG Fan-zheng, ZHU Ai-xia, YANG Rui(邓凡政, 祝爱侠, 杨 睿). Spectroscopy and Spectral Analysis(光谱学与光谱分析), 2006, 26(2): 299. [5] Zhang Jiatao, Liu Junfeng, Peng Qing, et al. Chem. Mater., 2006, 18: 867. [6] WANG Wen-liang，LI Dong-sheng，YUE Ke-fen(王文亮, 李东升, 岳可芬). Chemical Research &Application(化学研究与应用), 2003, 15(6): 775. [7] WAND Dan-jun，LI Dong-sheng，GUO Li，et al(王丹军, 李东升, 郭 莉，等). Chinese J. Inorg. Chem.(无机化学学报)，2006, 22(7)：1317. [8] Morales J, Espinos J P, Caballero A, et al. J. Phys. Chem. B, 2005, 109: 7758. [9] CHE Jian-fei，GONG Jie，YANG Xu-jie，et al(车剑飞，龚 婕，杨绪杰，等). Spectroscopy and Spectral Analysis(光谱学与光谱分析)，2006, 26(4): 757. [10] JING Li-qiang, YUAN Fu-long, HOU Hai-ge(井立强, 袁福龙, 候海鸽). Science in China, Ser B Chemistry(中国科学B辑学), 2004, 34(4): 310. [11] Chang Yu，Zeng Chun. Crystal Growth & Design, 2004, 4(2): 397. [12] Wang W, Liu A, Liu Y, et al. Appl. Phys. A，2003, 76: 417. [13] Jason F W, Car B H. J. Phys .Chem, 1994, 98: 8519. [14] Hammond J S, Garenstroom S W, Winograd N. Anal. Chem., 1975, 42: 2193. [15] Bukhtiyarow V I, Kaichev V V, Prosvirin I P. J. Chem. Phys., 1999, 111: 2169. [16] Natile M M, Glisenti A. Chem. Mater., 2003, 15: 2502. [17] Wagner C D, Riggs W M, Davis L E, et al. Handbook of X-ray Photoelectron Spectroscopy. Minnesota: Perkin-Elmer Coration, 1978. 82. [18] Zou Guifu, Li Hui, Zhang Dawei, et al, et al. J. Phys. Chem. B, 2006, 110: 1632. [19] Xu Yanyan, Chen Dairong, Jiao Xiuling. J. Phys. Chem. B, 2005, 109: 13561. [20] YANG Yi-quan, LIN Zhong-yu, CHE Chang-zhen, et al(杨意泉, 林种玉, 车长针, 等). Chemical J. of Chinese Universities(高等学校化学学报), 1997, 18(1): 103. [21] Nyquist R A, Kagel R O. Infrared Spectra of Inorganic Compounds, New York and London: Academic Press, 1971. 220. [22] WANG Wen-ling, LI Dong-sheng, QIN Zhen-ping, et al(王文亮，李东升，秦振平). Chinese J. Catalysis(催化学报), 2001, 22(30): 301. [23] WANG Wen-liang, LI Dong-sheng, WANG Zhen-jun(王文亮, 李东升, 王振军). Chinese J. Inorg. Chem.(无机化学学报), 2002, 18(8): 823. [24] LI Dong-sheng, WANG Wen-liang, WANG Yao-yu(李东升, 王文亮, 王尧宇). Chinese J. Inorg. Chem.(无机化学学报), 2004, 20(5): 617. [25] Irwin J C, Chrzanowski J, Wei T, et al. Physica C, 1990, 166: 456. [26] Wang R P, Zhou G W, Liu Y L, et al. Phys.Rev. B, 2000, 61: 16827. [27] ZHANG Shao-yan, DING Shi-wen, LIU Shu-juan, et al(张绍岩, 丁士文, 刘淑娟, 等). Acta. Chimica.Sinica(化学学报), 2002, 60(7): 1225.
