TEM images of the modified PR with different catalysts.
Jun Yu, Huizhong Zhao, Han Zhang, Jingjie Li, Xiongfeng Ding
CC BY 4.0
Jun Yu et. al. "Growth of Carbon Nanofibers in Phenolic Resin for Carbon-Contained Refractory Using Different Catalysts", Journal of Nanomaterials <a rel="nofollow" class="external text" href="https://doi.org/10.1155/2017/4826785">doi:10.1155/2017/4826785</a>