Fabrication of Randomly Stooped Polymer Nanohairs Using Scattered Electron Flood under Ambient Condition

Woojin Jung; Gyeong G. Jeon; Jong Uk Kim; Tae-il Kim; Jong H. Kim

Macromolecular Research, Vol.27, No.8, 739-742, August, 2019

DOI10.1007/s13233-019-7158-5 Export Citation

Fabrication of Randomly Stooped Polymer Nanohairs Using Scattered Electron Flood under Ambient Condition

Woojin Jung, Gyeong G. Jeon¹, Jong Uk Kim, Tae-il Kim^†, and Jong H. Kim^{1, †}

School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Korea
¹Department of Molecular Science and Technology, Ajou University, Suwon 16499, Korea

E-mail:,

Despite attractive applications of randomly oriented nanostructures with high aspect ratio, their fabrication suffers from both complicated processes and lack of materials. In this letter, we present a simple but effective method for the fabrication of randomly stooped polymeric nanohairs havinghigh aspect ratio under ambient condition by using scattered electron flood. High aspect ratio vertical nanohairs prepared by nano-molding process exhibited randomly stooped geometry after the electron irradiation. Fourier transform infrared spectroscopy and Monte Carlo simulation revealed that radiolysis of polymeric nanohairs by scattered electrons in ambient air allowed directionally random distribution of shrinkage of the nanohairs, resulting in randomly stooped nanohair structures.

Keywords:polymer;nanohairs;electron beam;scattered electron;nanolithography;polymer shrinkage

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[1] Lee S, Park B, Kim JB, Kim TI, Nanotechnology, 27, 474001 (2016)

[2] Kim TI, Jeong HE, Suh KY, Lee HH, Adv. Mater., 21(22), 2276 (2009)

[3] Jang JE, Cha SN, Choi Y, Amaratunga GAJ, Kang DJ, Hasko DG, Jung JE, Kim JM, Appl. Phys. Lett., 87, 163114 (2005)

[4] Yi G, Yuan Y, Li X, Zhang Y, Small, 14, 170315 (2018)

[5] Hasan J, Raj S, Yadav L, Chatterjee K, RSC Adv., 5, 44953 (2015)

[6] Rangelow IW, Biehl S, J. Vac. Sci. Technol., 19, 916 (2001)

[7] Chattopadhyay S, Huang YF, Jen YJ, Ganguly A, Chen KH, Chen LC, Mater. Sci. Eng. R-Rep., 69, 1 (2010)

[8] Siddique RH, Gomard G, Holscher H, Nat. Commun., 6, 6909 (2015)

[9] Huang YF, Chattopadhyay S, Jen YJ, Peng CY, Liu TA, Hsu YK, Pan CL, Lo HC, Hsu CH, Chang YH, Lee CS, Chen KH, Chen LC, Nat. Nanotechnol., 2(12), 770 (2007)

[10] Xia Y, Whitesides GM, Angew. Chem.-Int. Edit., 37, 550 (1998)

[11] Choi SJ, Yoo PJ, Baek SJ, Kim TW, Lee HH, J. Am. Chem. Soc., 126(25), 7744 (2004)

[12] Danilatos GD, in Advances in Electronics and Electron Physics., Academic Press, p109 1988.

[13] Wight SA, Konicek AR, Micron, 43, 985 (2012)

[14] Andreo P, Cunningham JR, Hohlfeld K, Svensson H, Absorbed Dose Determination in Photon and Electron Beams, IAEA Technical Reports Series No. 277, 1987.

[15] Keller L, Decker C, Zahouily K, Benfarhi S, Le Meins JM, Miehe-Brendle J, Polymer, 45(22), 7437 (2004)

[16] Lu F, Song B, He P, Wang Z, Wang J, RSC Adv., 7, 13742 (2017)

[17] Dannoux A, Esnouf S, Begue J, Amekraz B, Moulin C, Nucl. Instr. Meth. Phys. Res. B, 236, 488 (2005)

[18] Dannoux A, Esnouf S, Amekraz B, Dauvois V, Moulin C, J. Polym. Sci. B: Polym. Phys., 46(9), 861 (2008)

[19] Lin-Vien D, Colthup NB, Fateley WG , Grasselli JG, in The Handbook of Infrared and Raman Characteristic Frequencies of Organic Molecules, Chap. 9, pp 117-154 1991.

[20] Azuma T, Chiba K, Abe H, Motoki H, Sasaki N, J. Vac. Sci. Technol. B, 22(1), 226 (2004)

[21] Mansour O, Aidaoui K, Kadoun AED, Khouchaf L, Mathieu C, Vacuum, 84, 458 (2009)