2012年12月6日下午，任璐璐同學順利通過其博士學位論文答辯，其博士論文的題目為“石墨烯納米復合材料的制備、結構與性能研究”。任璐璐同學在攻讀博士學位期間所發表的部分代表作如下：
(1) L. L. Ren, T. X. Liu*, J. Guo, S. Z. Guo, X. Y. Wang, W. Z. Wang
A smart pH responsive graphene/polyacrylamide complex via noncovalent interaction.
Nanotechnology, 2010, 21, 335701.
(2) L. L. Ren, T. X. Liu*, S. Z. Guo, X. Y. Wang, W. Z. Wang
Functionalization of thermally reduced graphene by in situ atom transfer radical polymerization.
J. Nanoparticle Research, 2011, 13(12), 6389-6396.
(3) L. L. Ren, S. Huang, W. Fan, T. X. Liu*
One-step preparation of hierarchical superparamagnetic iron oxide/graphene composites.
Appl. Surf. Sci., 2011, 258(3), 1132-1138.
(4) L. L. Ren, S. Huang, C. Zhang, R. Y. Wang, W. W. Tjiu, T. X. Liu*
Functionalization of graphene and grafting of temperature-responsive surfaces from graphene by ATRP "on water".
J. Nanopart. Res., 2012, 14(6), 940-948.