고 에너지 볼밀을 이용한 Blue 텅스텐산화물 나노입자의 제조와 특성

김명재; 이광석; 김경남; Myung-Jae Kim; Kwang-Seok Lee; Kyung-Nam Kim

Korean Journal of Materials Research, Vol.31, No.1, 23-28, January, 2021

DOI10.3740/MRSK.2021.31.1.23 Export Citation

고 에너지 볼밀을 이용한 Blue 텅스텐산화물 나노입자의 제조와 특성

Prepration and Properties of Blue Tungsten Oxide Nanopowders by High Energy Ball-Mill

김명재, 이광석¹, 김경남 ^{1, †}

숭실대학교 유기신소재공학과
¹강원대학교 신(기능)소재공학과

Myung-Jae Kim, Kwang-Seok Lee¹, and Kyung-Nam Kim^{1, †}

Department of Organic Material & Fiber Engineering, Soongsil University, Dongjakgu, Seoul 06978, Republic of Korea
¹Department of Advanced Materials Engineering, Kangwon National University, Samcheok, Gangwon 25913, Republic of Korea

E-mail:

The purpose of this study is to prepare WO3 nanopowders by high-energy milling in mixture gas (7 % H2+Ar) with various milling times (10, 30, and 60 min). The phase transformation, particle size and light absorption properties of WO3 nanopowders during reduction via high-energy milling are studied. It is found that the particle size of the WO3 decreases from about 30 μm to 20 nm, and the grain size of WO3 decreases rapidly with increasing milling time. Furthermore, the surface of the particles due to the pulverization process is observed to change to an amorphous structure. UV/Vis spectrophotometry shows that WO3 powder with increasing milling times (10, 30, 60 min) effectively extends the light absorption properties to the visible region. WO3 powder changes from yellow to gray and can be seen as a phenomenon in which the progress of the color changes to blue. The characterization of WO3 is performed by high resolution X-ray diffractometry, Field emission scanning electron microscopy, Transmission electron microscopy, UV/Vis spectrophotometry and Particle size analysis.

Keywords:blue tungsten oxide;high energy ball milling;nanopowder

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[1] Baetens R, Jelle BP, Gustavsen A, Sol. Energy Mater. Sol. Cells, 94(2), 87 (2010)

[2] Barawi M, Trizio LD, Giannuzzi R, Veramonti G, Manna L, Manca M, ACS Nano, 11, 3576 (2017)

[3] Long H, Zeng W, Zhang H, J. Mater. Sci. Mater. Electron., 26, 4698 (2015)

[4] Locherer KR, Chrosch J, Salje EKH, Phase Transit., 67, 51 (1998)

[5] Hurditch R, Electrocomp. Sci. Tech., 3, 247 (1997)

[6] Howard CJ, Lica V, Knight KS, J. Phys. Condens. Matter, 14, 377 (2002)

[7] Pantilimon MC, Kang TS, Lee SJ, Sci. Adv. Mater., 9, 280 (2017)

[8] Hong K, Yiu W, Wu H, Gao J, Xie M, Nanotechnology, 16, 1608 (2005)

[9] Mohammad AA, Acta Phys. Pol. A, 116, 240 (2009)

[10] Zhang DL, Prog. Mater. Sci., 49(3-4), 537 (2004)

[11] Fecht HJ, Hellstern E, Fu Z, Johnson WL, Metall. Trans. A., 21, 2333 (1990)

[12] Hall BD, Zanchet D, Ugarte D, J. Appl. Crystallogr., 33, 1335 (2000)

[13] Gillaspie DT, Tenent RC, Dillon C, J. Mater. Chem., 20, 9585 (2010)

[14] Huang Y, Dai JQ, Xie ZP, Ma T, Yang JL, Ma JT, J. Eur. Ceram. Soc., 23, 985 (2003)

[15] Sepelak V, Becker KD, J. Korean Ceram. Soc., 49, 19 (2012)

[16] Li Y, Chen D, Caruso RA, J. Mater. Chem. C, 4, 10500 (2016)

[17] Takeda H, Adachi K, J. Am. Ceram. Soc., 90(12), 4059 (2007)

[18] Ikehata A, Itoh T, Ozaki Y, Anal. Chem., 76, 6461 (2004)