Nitrogen-doped graphene-like carbon material derived via a simple, cost-effective method as an excellent adsorbent for methylene blue adsorptionBin Ren, Junfeng Miao, Shasha Wang, Yuelong Xu, Zuozhao Zhai, Xiaoxi Dong and Zhenfa LiuE3S Web Conf., 194 (2020) 04036DOI: https://doi.org/10.1051/e3sconf/202019404036