围绕二维晶体生长的基础科学问题,开展二维材料的化学气相沉积(CVD)生长方法与计算模拟研究。重点关注石墨烯、半金属(窄带隙)、拓扑绝缘体等二维量子材料的生长原理、新奇物性和规模化制备。前期工作中我们发展了基于非金属模板的直接CVD法,实现了石墨烯单晶、石墨烯跨尺度宏观结构以及MoTe2、ZrTe2、Bi2Se3等材料的制备。
代表性论文:
[1] Growing three-dimensional biomorphic graphene powders using naturally abundant diatomite templates towards high solution processability. Nature Communications 2016, 7, 13440.
[2] Superstable copper nanowire network electrodes by single-crystal graphene covering and their applications in flexible nanogenerator and light-emitting diode. Nano Energy 2020, 71, 104638.
[3] Catalyst-free growth of three-dimensional graphene flakes and graphene/g-C3N4 composite for hydrocarbon oxidation. ACS Nano 2016, 10, 3665-3673.