폴리(비닐 알코올)로부터 이온빔 조사 및 탄화에 의한 다공성 탄소 필름 제조

최범석; 이장용; 이병민; 권다솔; 최재학; Beom-Seok Choi; Jang-Yong Lee; Byoung-Min Lee; Da-Sol Kwon; Jae-Hak Choi

Polymer(Korea), Vol.42, No.6, 925-930, November, 2018

DOI10.7317/pk.2018.42.6.925 Export Citation

폴리(비닐 알코올)로부터 이온빔 조사 및 탄화에 의한 다공성 탄소 필름 제조

Preparation of Porous Carbon Films from Poly(vinyl alcohol) by Ion Beam Irradiation and Carbonization

최범석¹, 이장용¹, 이병민¹, 권다솔², 최재학^{1, 2, †}

¹충남대학교 고분자공학과
²충남대학교 에너지과학기술학과

Beom-Seok Choi¹, Jang-Yong Lee¹, Byoung-Min Lee¹, Da-Sol Kwon², and Jae-Hak Choi^{1, 2, †}

¹Department of Polymer Science and Engineering, Chungnam National University, Daejeon 34134, Korea
²Department of Energy Science and Technology, Chungnam National University, Daejeon 34134, Korea

E-mail:

초록

본 연구에서는 폴리(비닐 알코올)(PVA)로부터 이온빔 조사 및 탄화에 의하여 다공성 탄소 필름(porous carbon film, PCF)을 제조하였다. 비용매 유도 상전이 법에 의하여 제조된 다공성 PVA 필름에 다양한 조건으로 이온빔을 조사한 후, 비활성 분위기 하에 1000 °C 로 탄화하여 PCF를 제조하였다. 실험 결과 이온빔 조사에 의한 탈수소화, 탈수, 가교 등의 화학 반응에 의하여 PVA에 가교화된 폴리엔 구조가 형성되며, 이러한 구조들은 탄화 과정에서 유사 흑연 구조로 변화하였다. 형태학적 분석 결과, 이온빔 조사량이 증가함에 따라 탄화 과정에서 기공구조가 잘 유지되었다. 제조된 PCF의 전기 전도도는 이온빔 조사량에 따라 큰 차이는 없었으며 평균 1.20×10 2 S/cm의 전기 전도도를 가지고 있었다.

In this study, porous carbon film (PCF) was prepared from poly(vinyl alcohol) (PVA) by ion beam irradiation and carbonization. Porous PVA film prepared by non-solvent-induced phase separation method was irradiated with ion beam under various conditions and then carbonized at 1000 °C under inert atmosphere. It was confirmed that crosslinked polyene structures were formed in the PVA by ion beam irradiation-induced dehydrogenation, dehydration, and crosslinking reactions, and that the formed polyene structures were converted into pseudo-graphitic structures by carbonization. The results of the FE-SEM analysis revealed that pore structures of porous PVA films irradiated at a high fluence were well maintained during carbonization. The electrical conductivity of the prepared PCF was not significantly changed with fluence and exhibited an average electrical conductivity of ~1.20×10 2 S/cm.

Keywords:poly(vinyl alcohol);phase inversion;ion beam;carbonization;porous carbon film

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[2] Kim C, Jeong YI, Ngoc BTN, Yang KS, Kojima M, Kim YA, Endo M, Lee JW, Small, 3, 91 (2007)

[3] Liu Y, Li G, Chen Z, Peng X, J. Mater. Chem. A, 5, 9775 (2017)

[4] Saufi SM, Ismail AF, Carbon, 42, 241 (2004)

[5] Centeno TA, Fuertes AB, Sep. Purif. Technol., 25(1-3), 379 (2001)

[6] Enayati MS, Behzad T, Sajkiewicz P, Bagheri R, Mobarakeh LG, Lojkowski W, Pahlevanneshan Z, Ahmadi M, Iran. Polym. J., 25, 647 (2016)

[7] Lee HJ, Seo YS, Polym. Korea, 40(6), 941 (2016)

[8] Fatema UK, Tomizawa C, Harada M, Gotoh Y, Carbon, 49, 2158 (2011)

[9] Fatema UK, Uddin AJ, Uemura K, Gotoh Y, Text. Res. J., 81, 659 (2011)

[10] Aggour YA, Aziz MS, Polym. Test, 19, 261 (2000)

[11] Dong H, Bell T, Surf. Coat. Technol., 111, 29 (1999)

[12] Pivin JC, Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms, 84, 484 (1994)

[13] Young TH, Chen LW, Desalination, 103, 233 (1995)

[14] Smolders CA, Reuvers AJ, Boom RM, Wienk IM, J. Membr. Sci., 73, 259 (1992)

[15] Mojica ES, Lohrasbi M, Chuang SSC, Top. Catal., 57, 1490 (2014)

[16] Gohil JM, Bhattacharya A, Ray P, J. Polym. Res., 13, 161 (2006)

[17] Yang H, Xu S, Jiang L, Dan Y, J. Macromol. Sci., Part B: Phys., 51, 464 (2012)

[18] Tian H, Bergren AJ, McCreery RL, Appl. Spectrosc., 61, 1246 (2007)

[19] Lee HD, Baek GY, Hwang IT, Jung CH, Choi JH, Radiat. Phys. Chem., 141, 369 (2017)

[20] Xu X, Yu J, Zhang C, Xu S, Xue L, Xie D, Polym. Korea, 40(6), 947 (2016)

[21] Wong KKH, Hutter JL, Allmang MZ, Wan W, Eur. Polym. J., 45, 1349 (2009)

[22] Nam HG, Jung JM, Hwang IT, Shin JH, Jung CH, Choi JH, Carbon Lett., 24, 55 (2017)

[23] Jung CH, Kim WJ, Jung CH, Hwang IT, Khim DY, Kim DY, Lee JS, Ku BC, Choi JH, Carbon, 87, 257 (2015)

[24] Zhang Y, Huang X, Duan B, Wu L, Li S, Yuan X, Colloid Polym. Sci., 285, 855 (2007)

[25] Wang J, Wang X, Xu C, Zhang M, Shang X, Polym. Int., 60, 816 (2011)

[26] Zhang SJ, Feng HM, Wang HP, Yu HQ, J. Colloid Interface Sci., 321(1), 96 (2008)

[27] Inagaki M, Fujita K, Takeuchi Y, Oshida K, Iwata H, Konno H, Carbon, 39, 921 (2001)

[28] Schwan J, Ulrich S, Batori V, Ehrhardt H, Silva SRP, J. Appl. Phys., 80, 440 (1996)

[29] Jung JM, Hong JH, Hwang IT, Shin J, Kim YJ, Jeong YG, Jung CH, Choi JH, J. Ind. Eng. Chem., 39, 188 (2016)