Imperial College London


Faculty of EngineeringDepartment of Materials

Vice-Dean (Research), Faculty of Engineering



+44 (0)20 7594 6755m.p.ryan




B338Royal School of MinesSouth Kensington Campus






BibTex format

author = {Ramadan, AJ and Rochford, LA and Moffat, J and Mulcahy, C and Ryan, MP and Jones, TS and Heutz, S},
doi = {10.1039/c5tc03730a},
journal = {Journal of Materials Chemistry C},
pages = {348--351},
title = {The morphology and structure of vanadyl phthalocyanine thin films on lithium niobate single crystals},
url = {},
volume = {4},
year = {2016}

RIS format (EndNote, RefMan)

AB - The electric field of ferroelectric materials has been used as a driving force to promote molecular adsorption and control the orientation of small dipolar molecules. This approach has not been investigated on larger polyaromatic molecules, such as those used in organic electronic devices, even though the physical and electronic properties of thin films are strongly dependent on molecular structure and orientation, ultimately affecting device performance. Here we investigate the effects of model ferroelectric surfaces on a dipolar organic semiconducting molecule. Thin films of vanadyl phthalocyanine (VOPc) deposited on to (0001) and (2[1 with combining macron][1 with combining macron]0) lithium niobate were subjected to structural and morphological analysis. Whilst thin films could be grown on these surfaces, no obvious change to their structure or morphology was observed suggesting there was no influence of a surface electrical field or surface chemistry on the film structure, and that the substrate is more complex than previously thought.
AU - Ramadan,AJ
AU - Rochford,LA
AU - Moffat,J
AU - Mulcahy,C
AU - Ryan,MP
AU - Jones,TS
AU - Heutz,S
DO - 10.1039/c5tc03730a
EP - 351
PY - 2016///
SN - 2050-7534
SP - 348
TI - The morphology and structure of vanadyl phthalocyanine thin films on lithium niobate single crystals
T2 - Journal of Materials Chemistry C
UR -
UR -
VL - 4
ER -