https://pubs.rsc.org/en/content/articlelanding/2013/ta/c3ta11658a
WO3 nanonodule-decorated hybrid carbon nanofibers for NO2 gas sensor application - Journal of...
WO3 nanonodule-decorated carbon nanofibers (CNFs) of various diameters were fabricated by single-nozzle co-electrospinning using two phase-separated polymer...