Publications
Schofield, R.M., Maciejewska, B.M., Dong, S. Tebbutt, G.T., McGurty, D., Bonilla, R.S., Assender, H.E., Grobert, N. 'Driving Fiber Diameters to the Limit: Nanoparticle-induced Diameter Reductions in Electrospun Photoactive Composite Nanofibers for Organic Photovoltaics' Advanced composites and hybrid materials 6 (2023) 229 https://doi.org/10.1007/s42114-023-00788-0
Hao, B., Ding, Z., Tao, X., Nellist, P.D., Assender, H.E., 'Atomic-scale imaging of polyvinyl alcohol crystallinity using electron ptychography' Polymer 284 (2023) 126305 https://doi.org/10.1016/j.polymer.2023.126305
Tao, X., Stuart, B.W., Assender, H.E. 'Roll-to-roll manufacture of flexible thin-film thermoelectric generator using flexography with vacuum vapour deposition' Surface and Coating Technology 447 (2022) 128826 https://doi.org/10.1016/j.surfcoat.2022.128826
Tao, X., Zhang, K., Stuart, B.W., Assender H.E. 'Elastic (acrylate/polydimethylsiloxane) substrate-to-coating interlayers for improving the mechanical resilience of thermoelectric films on poly(ethylene terephalate) during roll-to-roll manufacture and in service operation' Surface and Coating Technology 434 (2022) 128167 https://doi.org/10.1016/j.surfcoat.2022.128167
Stuart, B.W, Morgan, K., Tao, X. Zeimpekis, I. Feng, Z., Gregory, D., Assender, H.E. 'Linear Electron Beam Assisted Roll-to-Roll in-Vacuum Flexographic Patterning for Flexible Thermoelectric Generators' Coatings 11 (2021) 1470 https://doi.org/10.3390/coatings11121470
Tao, X. Hao, B. Assender, H.E. 'Novel stacking design of a flexible thin-film thermoelectric generator with a metal-insulator-semiconductor architecture' Adv. Electronic Mats (2021) https://doi.org/10.1002/aelm.202100201
Tao, X., Zhang, K., Gregory, D., Liu, J., Assender, H.E. 'Device optimization and large-scale roll-to-roll manufacturability of flexible thin-film thermoelectric generators' Energy Technology 9 (2021) 2001008. https://doi.org/10.1002/ente.202001008
Tao, X., Stuart, B.W., Wan, K., Murray, J.W., Bilotti, E. Assender, H.E. 'Static and dynamic post-annealing strategies for roll-to-roll fabrication of DC magnetron sputtered bismuth telluride thin films onto polymer webs' ACS Appl. Mats & Interf. 13 (2021) 10149. https://doi.org/10.1021.acsami.1c00721
Tao, X., Wan, K., Stuart, BW, Bilotti, E. Assender, HE 'BixTey thermoelectric thin films sputtered at room temperature onto moving polymer web: effect of gas pressure on materials properties' Thin Solid FIlms 712 (2020) 138311. https://doi.org/10.1016/j.tsf.2020.138311
Francis, G., Stuart, B.W., Assender, H.E. 'Selective ozone treatement of PDMS printing stamps for selective Ag metallization: a new approach to improving resolution in patterned flexible/stretchable electronics' J Colloids and Interface Sci 568 (2020) 273. https://doi.org/10.1016/j.jcis.2020.02.008
Tao, X., Wan, K., Deru, J., Bilotti, E., Assender, H.E. 'Thermoelectric behaviour of Bi-Te films on polymer substrates DC-sputtered at room-temperature in moving web deposition' Surf Coat & Tech 385 (2020) 125393. https://doi.org/10.1016/j.surfcoat.2020.125393
Stuart, B.W., Tao, X., Assender, H.E. 'Roll-to-Roll Patterning of Al/Cu/Ag Electrodes on Flexible Polyethylene by Oil Masking: A comparison of Thermal Evaporation and Magnetron Sputtering' Applied Surface Science 505 (2019) 144294. https://doi.org/10.1016/j.apsusc.2019.114294
Shinotsuka, K, Assender, H.E., 'Surface crystalline morphologies in thin films of PET/PEN random copolymers' Polymer crystallization 2 (2019) 10087. https://doi.org/10.1002/pcr2.10087
Zhang, K., Chen, C.-M., Anastasova, S., Gil, B., Lo, B., Assender, H. 'Roll-to-roll processable OTFT-based amplifiers and application to pH sensing' 2019 IEEE 16th International Conference on Wearable and Implantable Body sensor networks (2019). https://doi.org/10.1109/BSN.2019.8771092
Morgan, K.A., Tang, T., Zeimpekis, I., Ravagli, A., Craig, C., Yao, J., Feng, Z., Yarmolich, D., Barker, C., Assender, H., Hewak, D.W. 'High-throughput physical vapour deposition of flexible thermoelectric generators' Sci. Rep. 9 (2019) 4393. https://doi.org/10.1038/s41598-019-41000-y
C.M. Chen, S. Anastasova, K. Zhang, B.G.Rosa, B.P.L Lo, H.E. Assender and G.Z. Yang 'Towards wearable and flexible sensors and circuits integration for stress monitoring' IEEE Journal of Biomedical and Health Informatics (2018). https://doi.org/10.1109/JBHI.2019.2957444
Tazawa, Y., Habisreutinger, S., Zhang, N., Gregory, D., Nagamine, G., Kesava, S., Mazzotta, G., Riede, M., Assender, H.E., Padilha, L., Nicholas, R., Watt, A. 'Carbon Nanotubes for Quantum Dot Photovoltaics with Enhanced Light Management and Charge Transport' ACS Photonics 5 (2018) 4854. https://doi.org/10.1021/acsphotonics.8b00982
Cosnahan, T., Watt, A.A.R., Assender, H.E. 'Flexography Printing for Organic Thin Film Transistors' Materials Today: Proceedings 5 (2018) 16051. https://doi.org/10.1016/j.matpr.2018.05.050
Shinotsuka, K., Assender, H.E., Claridge, T.D.W. 'Synthesis of statistical PET/PEN random block copolymers and their crystallizability in the bulk and at the surface' J. Appl. Polym. Sci. 135 (2018) 46515. https://doi.org/10.1002/app.46515
Cosnahan, T., Watt, A.A.R., Assender, H.E. 'Modelling of a vacuum Metallization Pattering Method for Organic Electronics' Surface and Coatings Technology 336 (2017) 128. https://doi.org/10.1016/j.surfcoat.2017.09.058
Tobin, V.R.T., Suttle, H., Assender, H.E. 'Nano-defect-controlled permeation in AlOx/polymer gas barrier films' Thin Solid Films 642 (2017) 142. https://doi.org/10.1016/j.tsf.2017.09.019
Pratt, F.L., Lancaster, T., Baker, P.J., Blundell, S.J., Proksha, T., Morenzoni, E., Suter, A., Assender, H.E. 'Nanoscale depth-resolved polymer dynamics probed by the implantation of low energy muons' Polymer 105 (2016) 516.
Neo, D., Tazawa, Y., Jiang, H., Grovenor, C., Assender, H, Watt, A. 'P3HT as a hole transport layer for collloidal quantum dot solar cells' ACS Applied Materials and Interfaces 8 (2016) 12101. https://doi.org/10.1021/acsami.5b10228
Shinotsuka, K., Assender, H.E. 'In-situ AFM study of near-surface crystallization in PET and PEN' Journal of Applied Polymer Science 133 (2016) 44269. https://doi.org/10.1002/APP.44269
Spencer, B.F., Leontiadou, M.A., Clark, P.C.J., Williamson, A.I., Silly, M.G., Sirotti, F., Fairclough, S.M., Tsang, S.C.E., Neo, D.C.J, Assender, H.E., Watt, A.A.R., Flavell, W.R. 'Charge dynamics at heterojunctions for PbS/ZnO colloidal quantum dot solar cells probed with time-resolved surface photovoltage spectroscopy' Applied Physics Letters 108 (2016) 91603. https://doi.org/10.1063/1.4943077
Kim, B.-S., Neo, D., Hou, B., Park, J.B., Cho, Y., Zhang, N., Hong, J., Pak, S., Lee, S., Sohn, J.I., Assender, H.E., Watt, A.A.R., Cha, S.N., Kim, J.M. 'High performance PbS quantum dot/graphene hybrid solar cell with efficient charge extraction' ACS Applied Materials and Interfaces 8 (2016) 13902. https://doi.org/10.1021/acsami.6b02544
Zhang, N., Neo, D., Tasawa, Y., Li, X., Assender, H.E., Compton, R., Watt, A.A.R. 'Narrow band gap lead sulphide hole transport layers for quantum dot photovoltaics' ACS Applied Materials and Interfaces 8 (2016) 21417. https://doi.org/10.1021/acsami.6b01018
Ding, Z., Abbas, G., Assender, H.E., Morrison, J.J., Yeates, S.G., Patchett, E.R., Taylor, D.M. 'Vacuum Production of OTFTs by Vapour Jet Deposition of Dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (DNTT) on a Lauryl Acrylate Functionalised Dielectric Surface' Organic Electronics 31 (2016) 90. https://doi.org/10.1016/j.orgel.2016.01.024
Avila-Nino, J.A., Patchett, E.R., Taylor, D.M., Assender, H.E., Yeates, S.G., Ding, Z., Morrison, J.J. 'Stable organic static random access memory from a roll-to-roll compatible vacuum evaporation process' Organic Electronics 31 (2016) 77. https://doi.org/10.1016/j.orgel.2016.01.017
Powell, A.W., Watt, A.A.R., Assender, H.E., Smith J.M. 'Plasmonic gas sensing using nanocube patch antennas' Advanced Optical Materials 4 (2016) 634. https://doi.org/10.1002/adom.201500602
Neo, D.C.J., Stranks, S.D., Eperon, GE., Snaith, H.J., Assender H.E., Watt, A.A.R. 'Quantum funnelling in blended multi-band gap core/shell colloidal quantum dot solar cells' Applied Physics Letters 107 (2015) 103902. https://doi.org/10.1063/1.4930144
Powell A., Watt, A., Assender, H., Smith, J. 'Subwavelength sensing elements from film-coupled silver nanocubes' CLEO:QELS - Fundemental Science 1551 (2015) 1. https://doi.org/10.1364/CLEO_QELS.2015.FTu4E.6
Jiang, L., Wu, J., Nedolisa, C., Saiani, A., Assender H.E. 'Phase separation and crystallization in high hard block content polyurethane thin films' Macromolecules 48 (2015) 5358. https://doi.org/10.1021/acs.macromol.5b01083
Taylor, D.M., Patchett, E., Williams, A., Ding, Z., Assender, H., Morrison, J., Yeates, S.G. 'Fabrication and simulation of organic transistors and functional circuits' Chemical Physics 456 (2015) 85. https://doi.org/10.1016/j.chemphys.2014.12.009
Wincott, M.B., Watt, A.A.R, Assender, H.E., Smith, J.M. 'Optimised rear-electrode grating structures in organic solar cells' ''IEEE Journal of Photovoltaics' 5 (2015) 1113. https://doi.org/10.1109/JPHOTOV.2015.2422133
Hjerrild, N., Neo, D., Kasdi, A., Assender, H.E., Warner, J., Watt, A. 'Transfer printed silver nanowire transparent conductors for PbS-ZnO Heterojunction quantum dot solar cells' ACS Applied Materials and Interfaces 7 (2015) 6417. https://doi.org/10.1021/am505646d
Ding, Z., Abbas, G., Assender, H.E., Morrison, J.J., Yeates, S.G., Patchett, E.R., Taylor, D.M. 'Effect of oxygen, moisture and illumination on the stability and reliability of dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (DNTT) OTFTs during operation and storage' ACS Applied Materials and Interaces 6 (2014) 15224. https://doi.org/10.1021/am503560d
Neo, D.C.J., Cheng, C., Stranks, S., Fairclough, S., Kim, J., Kirkland, A., Smith, J., Snaith, H., Assender, H.E., Watt, A.A.R. 'Influence of Shell Thickness and Surface Passivation on PbS/CdS Core/Shell Colloidal Quantum Dot Solar Cells' Chemistry of Materials 26 (2014) 4004. https://doi.org/10.1021/cm501595ul
Cheng, C., Lee, M.M., Noel, N.K., Hughes, G.M., Ball, J., Snaith, H.J., Assender, H.E., Watt, A.A.R. 'Polystyrene Templated Porous Titania Wells for Quantum Dot Heterojunction Solar Cells' Applied Materials and Interfaces 6 (2014) 14247. https://doi.org/10.1021/am503558q
Abbas, A.A.W., Ding, A., Assender, H.E., Morrison, J.J., Yeates, S.G., Patchett, E., Taylor, D.M. 'A high-yielding evaporation-based process for organic transistors based on the semiconductor DNTT' Organic Electronics 15 (2014) 1998. https://doi.org/10.1016/j.orgel.2014.05.029
Taylor, D.M., Patchett, E.R., Williams, A, Neto, N.J., Ding, Z., Assender, H.E., Morrison, J.J., Yeates, S.G. 'Organic Digital Logic and Analog Circuits Fabricated in a roll-tor-oll compatible vacuum-evaporation process' IEEE Transactions on Electron Devices 61 (2014) 2950. https://doi.org/10.1109/JDT.2013.2255023
Patchett, E.R., Williams, A., Ding, Z., Abbas, G.A. Assender, H.E., Morrison, J.J., Yeates, S.G., Taylor, D.M. 'A high-yield vacuum-evaporation-based R2R-compatible fabrication route for organic electronic circuits' Organic Electronics 15 (2014) 1493. https://doi.org/10.1016/j.orgel.2014.03.043
Powell, A.W., Hjerrild, N., Watt, A.A.R., Assender, H.E., Smith, J.M. 'Directional Plasmonic Scattering from Metal Nanoparticles in Thin Film Environments' Applied Physics Letters 104 (2014) 81110. https://doi.org/10.1063/1.4866669
Ding, Z., Abbas, G.A.W., Assender, H.E., Morrison, J.J., Sanchez-Romaguera, V., Yeates, S.G., Taylor, D.M. 'Improving the performance of organic thin film transistors formed on a vacuum flash-evaporated acrylate insulator' Applied Physics Letters 103 (2013) 233301. https://doi.org/10.1063/1.4839275
Struller, C.F., Kelly, P.F., Copeland N.J., Tobin, V., Assender, H.E., Holliday, C.W., Read, S.J. 'Aluminium oxide barrier films on polymeric web and their conversion forpackaging applications' Thin Solid Films 553 (2013) 153
Powell, A.W., Wincott, M.B., Watt, A.A.R., Assender, H.E., Smith, J.M. 'Controlling the optical scattering of plasmonic nanoparticles using a thin dielectric layer' J. Applied Physics 113 (2013) 184311
Cattley, C., Cheng, C., Fairclough, S., Young, N., Smith, J., Assender, H., Watt, A.A.R. 'Low temperature synthesis of Cu2Zn1-xSnxS4 quantum dots for earth abundant solar cells' Chem Comm 49 (2013) 3745
Kovacik, P., Assender, H.E., Watt, A.A.R. 'Morphology control in co-evaporated bulk heterojunction solar cells' Solar Energy Materials and Solar Cells 117 (2013) 22
Abbas, G., Ding, Z., Kanad, M., Assender, H., Taylor D.M.: 'Hysteresis-free vacuum-processed acrylate-pentacene organic thin film transistors' IEEE electron device letters 34 (2013) 268
Shinotsuka, K., Bliznyuk, V.N., Assender, H.E.: 'Near-surface crystallization of PET' 53 (2012) 5554
Willis, S.M., Dimmock, J.A.R., Tutu, F., Liu, H.Y., Peinado, M.G., Assender, H.E., Watt A.A.R., Sellers, I.R: 'Defect mediated extraction in InAs/GaAs quantum dot solar cells' Solar Energy Materials and Solar Cells 102 (2012) 142
Willis, S.M., Cheng, C., Assender, H.E. and Watt A.A.R.: 'Are colloidal quantum dot solar cells excitonic or not?' NanoLetters 12 (2012) 1522.
Moghal, J., Suttle, H., Cook, A.G., Grovenor, C.R.M. and Assender, H.E.: 'Influence of magnetron sputtering methods on the mechnical and structural properties of aluminium oxide thin films - comparison of RF, DC and HiPIMS sputtering configurations' Surface Coatings and Technology 206 (2012) 3009
Droessler, L., Assender H.E. and Watt, A.A.R.: 'Thermally deposited lead oxides for thin film photovoltaics' Materials Letters 71 (2012) 51
Kovacik, P., Willis, S., Matichak, J., Assender, H.E. and Watt, A.A.R.: 'Effect of side groups on the vacuum thermal evaporaation of polythiophenes for organic electronics' Organic Electronics 13 (2012) 687
Abbas, G., Assender, H.E., Ibrahim, M., Taylor, D.M.: 'Organic thin-film transistors with e-beam cured and flash vacuum deposited polymeric gate dielectric' J. Vac. Sci & Tech B 29 (2011) 052401
Kovacik, P., Sforazzini, G., Cook, A.G., Willis, S., Grant, P., Assender, H.E., Watt, A.: 'Vacuum-deposited planar heterojunction polymer solar cells' ACS Applied Materials and Interfaces 3 (2011) 11
Beal, R., Stavrinadis, A., Warner, J., Smith, J., Assender, H. and Watt, A.: 'The molecular structure of polymer-fullerene composite solar cells and its influence on device performance' Macromolecules 43 (2010) 2343
Cattley, C., Stavrinadis, A., Beal, R., Moghal, J., Cook, A., Grant, P., Smith, J., Assender, H. and Watt, A.A.R.: 'Colloidal Synthesis of Lead Oxide Nanocrystals for Photovoltaics' Chemical communication 46 (2010) 2802
Lancaster T., Pratt, F.L., Blundell S.J., McKenzie I., and Assender H.E.: 'Muon-fluorine entanglement in fluoropolymers' J. Physics: Condensed Matter 37 (2009) 113
Harkin-Jones, E., Figiel, L., Spencer, P., Abu-Zurayk, R., Al-Shabib, W., Chan, V., Rajeev, R., Soon, K., Buckley, P., Sweeney, J., Menary, G., Armstrong, C., Assender, H., Coates, P., Dunne, F., McNally, T. and Martin, P.: 'Performance enhancement of polymer nanocomposites via multiscale modelling of processing and properties' Plastics Rubber and Composites 50 (2008) 700
Stavrinadis, A., Beal, R., Smith, J.M., Assender, H.E. and Watt, A.A.R.: 'Direct formation of PbS nanorods in a conjugated polymer' Advanced Materials 20(16) (2008) 3105
Martin, C.M., Burlakov, V.M., Assender, H.E. and Barkhouse D.A.R.: 'A Numerical Model For Explaining The Role Of The Interface Morphology In Composite Solar Cells' J. Appl. Phys 102 (2007) 104506
Barkhouse, D.A.R., Bishop, H.E., Henry, B.M., Webster, G.R., Burn, P.L. and Assender H.E.: 'Improving the efficiency of MEH-PPV/TiO2 solar cells by lithium salt modification' Organic Electronics 11 (2010) 647
Lochab,B., Burn, P.L., Barkhouse, A., Assender, H.E., Keeble, D., Thomsend, E., Lewis, A. and Samuel I.D.W.: 'Electronically asymmetric poly(1,4-phenylenevinylene)s for photovoltaic cells' Organic Electronics 8 (2007) 801
Howells, D.G., Henry, B.M., Leterrier, Y., Månson, J.-A.E., Madocks, J. and Assender, H.E.: 'Mechanical Properties of SiOx Gas Barrier Coatings on Polyester Films' Surface coatings and technology 202 (2008) 3529
Howells, D.G., Henry, B.M., Madocks, J. and Assender, H.E.: 'High quality PECVD silicon oxide gas barrier coatings on polyester films' Thin Solid Films 516 (2008) 3081
Xie, Z., Henry, B.M., Kirov, K.R., Barkhouse A., Burlakov, V.M., Smith, H.E., Grovenor, C.R.M., Assender, H.E., Briggs, G.A.D., Kano, M. and Tsukahara, Y.: 'Correlation between photoconductivity in nanocrystalline titania and short circuit current transients in MEH-PPV/titania solar cells' Nanotechnology 18 (2007) 145708
Martin, C.M., Burlakov, V.M. and Assender, H.E. (2006). 'Modeling charge transport in composite solar cells' Solar Energy Materials and Solar Cells 90(7-8) (2006) 900-915.
Xie, Z., Burlakov, V.M., Henry, B.M., Kirov, K.R., Smith, H.E., Grovenor, C.R.M., Assender, H.E., Briggs, G.A.D., Kano, M. and Tsukahara, Y.: 'Intensity-dependent relaxation of photoconductivity in nanocrystalline titania thin films' Physical Review B 73(11) (2006) 113317.
Xie, Z., Henry, B.M., Kirov, K.R., Smith, H.E., Barkhouse, A., Grovenor, C.R.M., Assender, H.E., Briggs, G.A.D., Webster, G.R., Burn, P.L., Kano, M. and Tsukahara, Y.: 'Study of the effect of changing the microstructure of titania layers on composite solar cell performance' Thin Solid Films 511 (2006) 523-528.
Kirov, K.R. and Assender, H.E. (2005). 'Quantitative ATR-IR analysis of anisotropic polymer films: Surface structure of commercial PET' Macromolecules 38(22) (2005) 9258-9265.
Pratt, F.L., Lancaster, T., Brooks, M.L., Blundell, S.J., Prokscha, T., Morenzoni, E., Suter, A., Luetkens, H., Khasanov, R., Scheuermann, R., Zimmermann, U., Shinotsuka, K. and Assender, H.E.: 'Surface dynamics of a thin polystyrene film probed by low-energy muons' Physical Review B 72(12) (2005) 121401.
Kawata, K., Burlakov, V.M., Carey, M.J., Assender, H.E., Briggs, G.A.D., Ruseckas, A. and Samuel, I.D.W.: 'Description of exciton transport in a TiO2/MEH-PPV heterojunction photovoltaic material' Solar Energy Materials And Solar Cells 87 (1-4) (2005) 715-724.
Burlakov, V.M., Kawata, K., Assender, H.E., Briggs, G.A.D., Ruseckas, A. and Samuel, I.D.W.: 'Discrete hopping model of exciton transport in disordered media' Physical Review B 72 (7) (2005) 75206
Assender, H.: 'The joys of parenthood.' Physics World 17 (3) (2004) 60-60.
Swaminathan, P., Disley P.F. and Assender, H.E.: 'Surface modification of an ion exchange membrane using amines' J. Membrane Science 234 (2004) 131-137.
Kirov, K.R. and Assender, H.E.: 'Quantitative ATR-IR analysis of anisotropic polymer films: Extraction of optical constants.' Macromolecules 37 (3) (2004) 894-904.
Porfyrakis, K. and Assender, H.E.: 'Mesoscale modelling of processing rubber toughened acrylic polymers.' Plastic and Rubber Composites 33 (2004) 223-232
Swaminathan, P., Disley, P.F. and Assender, H.E.: 'Surface modification of ion exchange membrane using amines.' Journal Of Membrane Science 234 (1-2) (2004) 131-137.
Assender, H.E., Bliznyuk, V.N. and Porfyrakis, K.: 'How surface topography relates to materials properties' Science 297 (2002) 973
Bliznyuk, V.N., Assender H.E. and Briggs, G.A.D. 'Surface glass transition temperature of amorphous polymers: a new insight with SFM' Macromolecules 35 (2002) 6613
Goldbeck-Wood, G., Bliznyuk, V.N., Burlakov, V., Assender H.E., Briggs, G.A.D., Tsukahara, Y., Anderson K.L. and Windle, A.H.: 'Surface structure of amorphous polystyrene: comarison of SFM imaging and lattice chain simulations' Macromolecules 35 (2002) 5283
Porfyrakis K., Robinson, I and Assender, H.E.: 'The interrelationship between processing conditions, microstructure and mechanical properties for injection moulded rubber-toughened poly(methyl methacrylate) (RTPMMA) samples' Polymer 43 (2002) 4769
Porfyrakis, K., Kolosov, O.V. and Assender H.E. 'AFM and UFM surface characterisation of rubber-toughened poly(methyl methacrylate) (RTPMMA) samples' J. Applied Polymer Science 82 (2001) 2790
Cuberes, M.T., Assender H.E., Briggs, G.A.D. and Kolosov O.V.: 'Heterodyne force microscopy on PMM/rubber nanocomposites: nanomapping of viscoelastic response at ultrasonic frequencies' J Physics D: Applied Physics 33 (2000) 2347
Deng, C.S., Assender, H.E., Dinelli, F., Kolosov, O.V., Briggs, G.A.D., Miyamoto, T., and Tsukahara, Y.: 'Nucleation and growth of gas barrier aluminium oxide on surfaces of poly(ethylene terephthalate) and polypropylene: effects of polymer properties' J. Polymer Science B: Polymer Physics 38 (2000) 3151-3162.