4. Li Y, Yang MJ, She Y, Sens. Actuators B-Chem., 107, 252 (2005)
5. Lee DG, Lim TH, Jeon YM, Gong MS, Polym. Korea, 31(4), 302 (2007)
6. Sun AH, Li Y, Huang L, Cui P, J. Mater. Sci., 44(15), 4112 (2009)
7. Park SH, Park JS, Lee CW, Gong MS, Sens. Actuators B-Chem., 86, 68 (2002)
8. Sakai Y, Matsuguchi M, Hurukawa T, Sens. Actuators B-Chem., 66, 135 (2000)
9. Yao Z, Yang MJ, Sens. Actuators B-Chem., 117, 93 (2006)
10. Lee CW, Choi BK, Gong MS, Sens. Actuators B-Chem., 105, 150 (2005)
11. Lee CW, Park HS, Kim JG, Gong MS, Macromol. Res., 13(2), 96 (2005)
12. Sakai Y, Matsuguchi M, Sadaoka Y, Hirayama K, J. Electrochem. Soc., 140, 432 (1993)
13. Li Y, Chen Y, Zhang C, Xue T, Yang MJ, Sens. Actuators B-Chem., 125, 131 (2007)
14. Han DS, Gong MS, Polym. Korea, 34(6), 565 (2010)
15. Ueda M, Nakamura K, Tanaka K, Kita H, Okamoto K, Sens. Actuators B-Chem., 127, 463 (2007)
16. Lee IH, Park CK, Gong MS, Polym. Korea, 33(4), 326 (2009)
17. Gong MS, Sens. Actuators B-Chem., 148, 559 (2010)
18. Park HS, Gong MS, Macromol. Res., 18(6), 596 (2010)
19. Gong MS, Kim JW, Kim JG, Sens. Actuators B-Chem., 147, 539 (2010)
20. Kim M, Gong MS, Analyst, 137, 1487 (2012)
21. Liaw DJ, Li KLK, Huang YC, Lee KR, Lai JY, Ha CS, Ha CS, Prog. Polym. Sci, 37, 907 (2012)
22. Watari T, Fang JH, Tanaka K, Kita H, Okamoto K, Hirano T, J. Membr. Sci., 230(1-2), 111 (2004)
23. Koo JS, Gong MS, Macromol. Res., 20(12), 1226 (2012)
24. Lim DI, Gong MS, Polym. Korea, 36(4), 486 (2012)
25. Sandor RB, High Perform. Polym., 2, 25 (1990)
26. Li Q, Jensen JO, Savinell RF, Bjerrum NJ, Prog. Polym. Sci, 34, 449 (2009)
27. Kumbharkar SC, J. Membr. Sci., 415(-), 793 (2012)
28. Wei Y, Wang W, Yeh JM, Wang B, Yang D, Murray JK, Jin D, Wei G, Hybrid Organic-Inorganic Composite, Mark JE, Lee CYC, Bianconi VA, Editors, ACS. Symp. Ser.585, American Chemical Society, Washington DC, pp.125-141(1995).