나노 입자들의 거리가 가까워 질수록 상대적으로 약한 계면이 형성되고, 그에 따라 계면의 물성이 하락한다는 것을 파악하였다.
It was found that a relatively weak interface was formed as the distance of the nanoparticles became closer, and the physical properties of the interface decreased accordingly.