PEG-mediated hydrothermal synthesis of hierarchical microspheres of MoS2 nanosheets and their potential for lubrication application

Sangita Kumari; Rashi Gusain; Niranjan Kumar; Om P. Khatri

Journal of Industrial and Engineering Chemistry, Vol.42, 87-94, October, 2016

DOI10.1016/j.jiec.2016.07.038 Export Citation

PEG-mediated hydrothermal synthesis of hierarchical microspheres of MoS2 nanosheets and their potential for lubrication application

Sangita Kumari¹, Rashi Gusain^{1, 2}, Niranjan Kumar³, and Om P. Khatri^{1, 2, †}

¹Chemical Science Division, CSIR-Indian Institute of Petroleum, Dehradun 248005, India
²Academy of Scientific and Innovative Research, New Delhi 110025, India
³Materials Science Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India

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Lamellar-structured nanomaterials are gaining large interest for tribological applications owing to their remarkable mechanical and low shearing properties. Herein, polyethylene glycol (PEG)-mediated hierarchical microspheres of MoS2 nanosheets are synthesized by a facile and single-step hydrothermal reduction of ammonium molybdate in the presence of thiourea. The PEG functions as a soft templating material and provides hierarchical microspheres of MoS2 nanosheets. Detailed chemical and microstructural features of hierarchical microspheres of MoS2 nanosheets are probed by FTIR, XPS, Raman, XRD, TGA, FESEM, and HRTEM analyses. Each nanosheet of MoS2 microspheres is composed of limited number (10-20) of atomic-thick lamellae as deduced from HRTEM images. The MoS2 microspheres, as additive provide significantly improved lubrication properties for steel tribo-pair by reducing the friction (~21%) and the wear (42%) compared to that of fully formulated 10W40 lubricant. The elemental mapping of worn surfaces revealed the deposition of MoS2 nanosheets on the contactinterfaces. The improved lubrication properties are attributed to collective effect of deposition of delaminated MoS2 lamellae on the contact interfaces, low shearing and high mechanical strength of MoS2 nanosheets.

Keywords:MoS2 microspheres;Lamellar structure;Polyethylene glycol;Friction;Wear

[References]

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[Referenced By]

[1] Wang QH, Kalantar-Zadeh K, Kis A, Coleman JN, Strano MS, Nat. Nanotechnol., 7(11), 699 (2012)

[2] Stephenson T, Li Z, Olsen B, Energy Environ. Sci., 7, 209 (2014)

[3] Li H, Wu J, Yin Z, Zhang H, Acc. Chem. Res., 47, 1067 (2014)

[4] Wang H, Yu L, Lee YH, Shi Y, Hsu A, Chin ML, Li LJ, Dubey M, Kong J, Palacios T, Nano Lett., 12, 4674 (2012)

[5] He Q, Zang Z, Yin Z, Li H, Wu S, Huang X, Zhang H, Small, 8, 2994 (2012)

[6] Lukowski MA, Daniel AS, Meng F, Forticaux A, Li LS, Jin S, J. Am. Chem. Soc., 135(28), 10274 (2013)

[7] Chhowalla M, Amaratunga GAJ, Nature, 407, 164 (2000)

[8] Rapoport L, Fleischer N, Tenne R, J. Mater. Chem., 15, 1782 (2005)

[9] Zhang Y, Li Z, Tan C, Zhang H, Angew. Chem.-Int. Edit., 55, 2 (2016)

[10] Allam IM, J. Mater. Sci., 26, 3977 (1991)

[11] Donnet C, Surf. Coat. Technol., 80, 151 (1996)

[12] Zhao Y, Luo X, Li H, Zhang J, Araujo PT, Gan CK, Wu J, Zhang H, Quek SY, Dresselhaus MS, Xiong Q, Nano Lett., 13, 1007 (2013)

[13] Rapoport L, Feldman Y, Homyonfer M, Cohen H, Sloan J, Hutchinson JL, Tenne R, Wear, 225-229, 975 (1999)

[14] Cizaire L, Vacher B, Monge TL, Martin JM, Rapoport L, Margolin A, Tenne R, Surf. Coat. Technol., 160, 282 (2002)

[15] Rosentsveig R, Margolin A, Gorodnev A, Popovitz-Biro R, Feldman Y, Rapoport L, Novema Y, Naveh G, Tenne R, J. Mater. Chem., 19, 4368 (2009)

[16] Rosentsveig R, Gorodnev A, Feuerstein N, Friedman H, Zak A, Fleischer N, Tannous J, Dassenoy F, Tenne R, Tribol. Lett., 36, 175 (2009)

[17] Hu KH, Hu XG, Xu YF, Huang F, Liu JS, Tribol. Lett., 40, 155 (2010)

[18] Tannous J, Dassenoy F, Lahouiji I, Monge TL, Vacher B, Bruhace A, Tremel W, Tribol. Lett., 41, 55 (2011)

[19] Paskvale S, Remskar M, Cekada M, Wear, 353-353, 72 (2016)

[20] Chen Z, Liu X, Liu Y, Gunsel S, Luo J, Sci. Report, 5, 12869 (2015)

[21] Radisavljevic B, Whitwick MB, Kis A, ACS Nano, 5, 9934 (2011)

[22] Rao CNR, Nag A, Eur. J. Inorg. Chem., 27, 4244 (2010)

[23] Mdleleni MM, Hyeon T, Suslick KS, J. Am. Chem. Soc., 120(24), 6189 (1998)

[24] Feldman Y, Wasserman E, Srolovitz DJ, Tenne R, Science, 267(5195), 222 (1995)

[25] Li Q, Newberg JT, Walter EC, Hemminger JC, Penner RM, Nano Lett., 4, 277 (2004)

[26] Ding S, Zhang D, Chen JS, Lou XWD, Nanoscale, 4, 95 (2012)

[27] Tian Y, He Y, Zhu YF, Chem. Lett., 32(8), 768 (2003)

[28] O’Neill A, Khan U, Coleman JN, Chem. Mater., 24, 2412 (2012)

[29] Fu X, Wu D, Zhou X, Shi H, Hu Z, J. Nanopart. Res., 9, 675 (2007)

[30] Zelenski CM, Dorhout PK, J. Am. Chem. Soc., 120(4), 734 (1998)

[31] Nam S, Parikh DV, Condon BD, Zhao Q, Yoshioka-Tarver M, J. Nanopart. Res., 13, 3755 (2011)

[32] Xu Y, Chen D, Jiao X, Xue K, J. Phys. Chem. C, 111, 16284 (2007)

[33] Wang Z, Wang L, Wang H, Cryst. Growth Des., 8, 4415 (2008)

[34] Tan RQ, He Y, Zhu YF, Xu BQ, Cao LL, J. Mater. Sci., 38(19), 3973 (2003)

[35] Derkaoui N, Said S, Grohens Y, Olier R, Privat M, J. Colloid Interface Sci., 305(2), 330 (2007)

[36] Gao D, Si M, Li J, Zhang J, Zhang Z, Yang Z, Xue D, Nanoscale Res. Lett., 8, 129 (2013)

[37] Massey AT, Gusain R, Kumari S, Khatri OP, Ind. Eng. Chem. Res., 55(26), 7124 (2016)

[38] Windom BC, Sawyer WG, Hahn DWA, Tribol. Lett., 42, 301 (2011)

[39] Qin P, Fang G, Ke W, Cheng F, Zhang Q, Wan J, Lei H, Zhao X, J. Mater. Chem. A, 2, 2742 (2014)

[40] Patil SA, Kalode PY, Mane RS, Shinde DV, Doyoung A, Keumnam C, Sung MM, Ambade SB, Han SH, J. Chem. Soc.-Dalton Trans., 43, 5256 (2014)

[41] Liang T, Sawyer WG, Perry SS, Sinnotta SB, Phillpot SR, J. Phys. Chem. C, 115, 10606 (2011)

[42] Fan M, Liang Y, Zhou F, Liu W, RSC Adv., 2, 6824 (2012)

[43] Praveena M, Bain CD, Jayaram V, Biswas SK, RSC Adv., 3, 5401 (2013)

[44] Mungse HP, Kumar N, Khatri OP, RSC Adv., 5, 25565 (2015)