分子聚集体的区域受限位置控制
Area confined position control of molecular aggregates
摘要：
我们报道了一种通过真空沉积来控制表面分子聚集体位置的实验方法。控制是通过调节有限区域内表面上的分子密度来实现的。扩散分子集中在受限区域的中心，当达到成核的临界密度时产生稳定的簇。从动力学蒙特卡罗模拟获得该控制的机械方面。位置的尺寸可以进一步通过改变射束通量和衬底温度来控制。
英文摘要：
We report an experimental approach to control the position of molecular aggregates on surfaces by vacuum deposition. The control is accomplished by regulating the molecular density on the surface in a confined area. The diffusing molecules are concentrated at the centre of the confined area, producing a stable cluster when reaching the critical density for nucleation. Mechanistic aspects of that control are obtained from kinetic Monte Carlo simulations. The dimensions of the position can further be controlled by varying the beam flux and the substrate temperature.
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