Polyaniline/Silver Chloride 복합체의 표면 특성과 전도도에 미치는 젤라틴 첨가효과

Umashankar Male; 조은진; 허도성; Umashankar Male; Eun Jin Jo; Do Sung Huh

Polymer(Korea), Vol.41, No.4, 675-680, July, 2017

DOI10.7317/pk.2017.41.4.675 Export Citation

Polyaniline/Silver Chloride 복합체의 표면 특성과 전도도에 미치는 젤라틴 첨가효과

Effect of Gelatin Incorporation on the Surface Morphology and Conductivity of Polyaniline/Silver Chloride Composites

Umashankar Male, 조은진, 허도성^†

인제대학교 화학과

Umashankar Male, Eun Jin Jo, and Do Sung Huh^†

Department of Chemistry and Nano Science and Engineering, Center for Nanomanufacturing, Inje University, Gimhae, Kyungnam 50834, Korea

E-mail:

초록

젤라틴에 분산된 염화은 입자를 함유하는 폴리아닐린 복합체를 합성하였다. 합성방법은 질화은과 젤라틴 존재 하에 개시제로 암모늄퍼설페이트를 사용하여 아닐린 하이드로클로라이드를 중합함으로써 얻었다. X-선 회절 실험 결과 함유 젤라틴의 양이 증가할수록 결정성이 증가함을 알 수 있었는데 이는 젤라틴이 구조를 동일방향으로 배열하는데 필요한 백본 역할을 하고 젤라틴 표면에 폴리아닐린이 배향성을 갖고 성장하도록 도와주기 때문일 것이다. 전도도 연구에 의하면 PANI/AgCl 단순 복합체에 비해 젤라틴이 포함된 복합체의 전도도가 증가하였다. 이는 젤라틴의 함유에 의한 균일한 결정체의 생성에 기인한 것으로 여겨진다. 아울러 젤라틴은 AgCl과 PANI와의 뭉침을 막아 안정화에 도움을 주는 역할을 함과 동시에 결정성이 좋은 균일한 표면성상을 유도하는 것으로 여겨진다.

Polyaniline (PANI) composites containing silver chloride (AgCl) embedded on gelatin were prepared via the chemical polymerization of aniline hydrochloride employing ammonium persulfate as an oxidant in the presence of silver nitrate and gelatin. X-ray diffraction patterns showed the crystalline nature of PANI/AgCl was increased by the incorporation of gelatin, where gelatin acts as a structure-directing template and induces a highly oriented growth of PANI over its surface. Conductivity studies showed the enhanced conductivities for PANI/gelatin-AgCl compared to PANI/AgCl. The enhancement of conductivity seems to be due to the formation of uniform crystalline composites by the incorporation of gelatin. The gelatin might act as a stabilizer to inhibit the agglomeration of AgCl and PANI, and therefore resulted in uniform surface morphology with a good crystallinity.

Keywords:polyaniline;gelatin;AgCl;surface morphology;conductivity

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[1] Sanchez C, Lebeau B, Chaput F, Boilot JP, Adv. Mater., 15(23), 1969 (2003)

[2] Li S, Lin MM, Toprak MS, Kim DK, Muhammed M, Nano Rev., 1, 1 (2010)

[3] Kim TW, Yang Y, Li F, Kwan WL, NPG Asia Mater, 4, 18 (2012)

[4] Bhadra S, Khastgir D, Singha NK, Lee JH, Prog. Polym. Sci, 34, 783 (2009)

[5] Male U, Srinivasan P, RSC Adv., 5, 70675 (2015)

[6] Male U, Srinivasan P, Singu BS, Int. Nano Lett., 5, 231 (2015)

[7] Ciric-Marjanovic G, Synth. Met., 117, 1 (2013)

[8] Ansari R, Arvand M, Heydari L, J. Chem. Sci., 126, 41 (2014)

[9] Martha SK, Hariprakash B, J. Chem. Sci., 118, 93 (2006)

[10] Vohra S, Kumar M, Mittal SK, Singla ML, J. Mater. Sci., 24, 1354 (2013)

[11] Ozdemir C, Yeni F, Odaci D, Timur S, Food Chem., 119, 380 (2010)

[12] Manzoli A, Shimizu FM, Mercante LA, Paris EC, Oliveira ON, Correa DS, Mattoso LHC, Phys. Chem. Chem. Phys., 16, 24275 (2014)

[13] Basavaraja C, Veeranagouda Y, Lee K, Pierson R, Huh DS, J. Polym. Sci. B: Polym. Phys., 47(1), 36 (2009)

[14] Basavaraja C, Kim JK, Thinh PX, Huh DS, Polym. Compos., 33, 1541 (2012)

[15] Rujitanaroj PO, Pimpha N, Supaphol P, Polymer, 49(21), 4723 (2008)

[16] Sarmah M, Hussain A, Ramteke A, Maji TK, J. Chem. Sci., 128, 1291 (2016)

[17] Lim YC, Johnson J, Fei ZZ, Wu Y, Farson DF, Lannutti JJ, Choi HW, Lee LJ, Biotechnol. Bioeng., 108(1), 116 (2011)

[18] Male U, Uppugalla S, Srinivasan P, J. Solid State Chem., 19, 3381 (2015)

[19] Male U, Jo EJ, Park JY, Huh DS, Polymer, 99, 623 (2016)

[20] Pan LJ, Qiu H, Dou CM, Li Y, Pu L, Xu JB, Shi Y, Int. J. Mol. Sci., 11(7), 2636 (2010)

[21] Varma SJ, Xavier F, Varghese S, Jayalekshmi S, Polym. Int., 61, 743 (2012)