PMID- 28681873
OWN - NLM
STAT- PubMed-not-MEDLINE
DCOM- 20180202
LR  - 20180202
IS  - 1463-9084 (Electronic)
IS  - 1463-9076 (Linking)
VI  - 19
IP  - 28
DP  - 2017 Jul 19
TI  - Raman scattering from single WS(2) nanotubes in stretched PVDF electrospun 
      fibers.
PG  - 18443-18451
LID - 10.1039/c7cp00934h [doi]
AB  - Inorganic WS(2) nanotubes (INT-WS(2)) were embedded into sub-mum polyvinylidene 
      fluoride-co-hexafluropropylene (PVDF-HFP) electrospun fibers. In this report we 
      explore the Raman scattering spectroscopy from a single nanotube during 
      stretching of individual nanocomposite fibers. Red shifts of up to  approximately 4.7 cm(-1) 
      for A(1g) and E WS(2) bands were found before reaching the "tearing point" of the 
      fibers. These shifts may correlate with up to  approximately 2.8% of the WS(2) nanotube 
      elongation. Moreover, the absence of the A(1g) and E bands' broadening, as well 
      as the nonappearance of the E shear mode in the nanotube Raman spectra, suggest 
      the stretching of the nanotubes as a whole (including inner layers). These 
      results point to the excellent adhesion of the nanotubes' surface to the polymer 
      and to the effective load transfer from the polymer to the WS(2) nanotube. In 
      order to elucidate the nature of interaction between the polymer and the 
      nanofiller, we modeled the deformation of composite fibers using an elastic 
      lattice spring model (LSM). The results of the model are fully consistent with 
      our interpretation.
FAU - Grinberg, Olga
AU  - Grinberg O
AD  - Faculty of Sciences, Holon Institute of Technology, P.O. Box 305, Holon 5810201, 
      Israel. alzak@hit.ac.il.
FAU - Deng, Shengwei
AU  - Deng S
FAU - Zussman, Eyal
AU  - Zussman E
FAU - Livneh, Tsachi
AU  - Livneh T
FAU - Zak, Alla
AU  - Zak A
LA  - eng
PT  - Journal Article
PL  - England
TA  - Phys Chem Chem Phys
JT  - Physical chemistry chemical physics : PCCP
JID - 100888160
EDAT- 2017/07/07 06:00
MHDA- 2017/07/07 06:01
CRDT- 2017/07/07 06:00
PHST- 2017/07/07 06:00 [pubmed]
PHST- 2017/07/07 06:01 [medline]
PHST- 2017/07/07 06:00 [entrez]
AID - 10.1039/c7cp00934h [doi]
PST - ppublish
SO  - Phys Chem Chem Phys. 2017 Jul 19;19(28):18443-18451. doi: 10.1039/c7cp00934h.