The acquired STM images exhibit that tryptophane can form a uniform adsorption layer at room temperature. Two kinds of structures were observed: two-dimensional stripe structure and two-dimensional monoclinic lattice.

• 实验发现,在室温下色氨酸分子可以在石墨表面形成均匀的吸附层,并形成二维条状结构和二维单斜晶格两种有序结构。