Despite of great progress made on two-dimensional (2D) nanomaterials, it is still a challenge to achieve substrate-independent growth of single-crystalline 2D nanomaterials through the vapor phase route. Here, we report the substrate-independent growth of single-crystal SnSe nanoplates with square-like shape via physical vapor deposition. Structural and spectroscopic characterizations indicate that SnSe nanoplates are well crystallized and have the near-infrared optical band gap, showing potential applications in optoelectronic devices.

中文翻译：

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单晶SnSe纳米板的基底无关生长和表征

尽管在二维（2D）纳米材料上取得了巨大进步，但通过气相途径实现单晶2D纳米材料的衬底无关生长仍然是一个挑战。在这里，我们通过物理气相沉积报告正方形形状的单晶SnSe纳米板的衬底无关生长。结构和光谱特征表明，SnSe纳米板结晶良好，具有近红外光学带隙，显示了在光电器件中的潜在应用。