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CNT-based two terminal organic nonvolatile memory devices. (2015)
Book Chapter
Sleiman, A., Mabrook, M., Sayers, P., & Zeze, D. (2015). CNT-based two terminal organic nonvolatile memory devices. In S. Logothetidis (Ed.), Handbook of Flexible Organic Electronics: Materials, Manufacturing and Applications (413-428). Woodhead Publishing Series

The role of exciplex states in phosphorescent OLEDs with poly(vinylcarbazole) ( PVK) host (2015)
Journal Article
Jankus, V., Abdullah, K., Griffiths, G., Al-Attar, H., Zheng, Y., Bryce, M., & Monkman, A. (2015). The role of exciplex states in phosphorescent OLEDs with poly(vinylcarbazole) ( PVK) host. Organic Electronics, 20, 97-102

Polymer light emitting diodes (PLEDs) may revolutionize lighting and display industries. PLEDs would enable printing of display or lighting panels on large area substrates that could substantially reduce fabrication costs by avoiding expensive vacuum... Read More about The role of exciplex states in phosphorescent OLEDs with poly(vinylcarbazole) ( PVK) host.

Synthesis and investigation of intra-molecular charge transfer state properties of novel donor-acceptor-donor pyridine derivatives: the effects of temperature and environment on molecular configurations and the origin of delayed fluorescence (2015)
Journal Article
Aydemir, M., Haykir, G., Turksoy, F., Gumus, S., Dias, F., & Monkman, A. (2015). Synthesis and investigation of intra-molecular charge transfer state properties of novel donor-acceptor-donor pyridine derivatives: the effects of temperature and environment on molecular configurations and the origin of delayed fluorescence. Physical Chemistry Chemical Physics, 17(38), 25572-25582. https://doi.org/10.1039/c5cp03937a

A novel series of donor-acceptor-donor (D-A-D) structured pyridine derivatives were synthesised and detailed photo-physical investigations were made using mainly steady-state and time-resolved spectroscopy techniques at varying temperatures. The inve... Read More about Synthesis and investigation of intra-molecular charge transfer state properties of novel donor-acceptor-donor pyridine derivatives: the effects of temperature and environment on molecular configurations and the origin of delayed fluorescence.

Hole-transporting side-chain polystyrenes based on TCTA with tuned glass transition and optimized electronic properties (2015)
Journal Article
Limberg, F., Miasojedovas, A., Pingel, P., Reisbeck, F., Janietz, S., Monkman, A., & Kruger, H. (2015). Hole-transporting side-chain polystyrenes based on TCTA with tuned glass transition and optimized electronic properties. RSC Advances, 5(101), 83122-83128

The development of crosslinkable materials for the fabrication of solution processable OLEDs presents challenges, especially regarding the adjustment of the glass transition (Tg), which has a significant influence on crosslinking kinetics and device... Read More about Hole-transporting side-chain polystyrenes based on TCTA with tuned glass transition and optimized electronic properties.

Spectroelectrochemical Analysis of Charge Carriers as a Way of Improving Poly(p-phenylene)-Based Electrochromic Windows (2015)
Journal Article
Data, P., Motyka, R., Lapkowski, M., Suwinski, J., & Monkman, A. (2015). Spectroelectrochemical Analysis of Charge Carriers as a Way of Improving Poly(p-phenylene)-Based Electrochromic Windows. Journal of Physical Chemistry C, 119(34), 20188-20200

We show the electrochemical polymerization and characteristic of six pphenylene derivatives. The electroactive comonomers and polymers containing furan, thiophene, and selenophene units are studied using electrochemical techniques (differential pulse... Read More about Spectroelectrochemical Analysis of Charge Carriers as a Way of Improving Poly(p-phenylene)-Based Electrochromic Windows.

Efficient p-phenylene based OLEDs with mixed interfacial exciplex emission (2015)
Journal Article
Data, P., Motyka, R., Lapkowski, M., Suwinski, J., Jursenas, S., Kreiza, G., …Monkman, A. (2015). Efficient p-phenylene based OLEDs with mixed interfacial exciplex emission. Electrochimica Acta, 182, 524-528

Organic electronics, mainly due to the advancement of OLED (Organic Light Emitting Diode) technology, is a fast developing research area, and has already revolutionized the displays market. This direction presents the use of exciplex emitters and the... Read More about Efficient p-phenylene based OLEDs with mixed interfacial exciplex emission.

Evidence for Solid State Electrochemical Degradation Within a Small Molecule OLED (2015)
Journal Article
Data, P., Swist, A., Lapkowski, M., Soloducho, J., Darowicki, K., & Monkman, A. (2015). Evidence for Solid State Electrochemical Degradation Within a Small Molecule OLED. Electrochimica Acta, 184, 86-93

Acridone derivative have been synthesised and used as OLED (Organic Light Emitting Diode) emitters which were found to be electroactive. Electrochemical investigations showed a side reaction takes place inside an active layer which diminished the ove... Read More about Evidence for Solid State Electrochemical Degradation Within a Small Molecule OLED.

Free-space material characterisation at terahertz frequencies using a vector network analyser (2015)
Conference Proceeding
Hammler, J., Gallant, A., & Balocco, C. (2015). Free-space material characterisation at terahertz frequencies using a vector network analyser. . https://doi.org/10.1109/ursi-at-rasc.2015.7302827

While dielectric properties of many materials have been extensively characterised at low frequencies and into the microwave region of the electromagnetic spectrum, published information is much sparser in the THz region. Knowledge of permittivity is... Read More about Free-space material characterisation at terahertz frequencies using a vector network analyser.

Solution-processed blue/deep blue and white phosphorescent organic light emitting diodes (PhOLEDs) hosted by a polysiloxane derivative with pendant mCP (1, 3-bis(9-carbazolyl)benzene) (2015)
Journal Article
Sun, D., Zhou, X., Liu, J., Sun, X., Li, H., Ren, Z., …Yan, S. (2015). Solution-processed blue/deep blue and white phosphorescent organic light emitting diodes (PhOLEDs) hosted by a polysiloxane derivative with pendant mCP (1, 3-bis(9-carbazolyl)benzene). ACS Applied Materials and Interfaces, 7(51), 27989-27998. https://doi.org/10.1021/am507592s

The synthesis and characterization is reported of an efficient polysiloxane derivative containing the 1,3-bis(9-carbazolyl)benzene (mCP) moiety as a pendant unit on the polysiloxane backbone. In comparison with mCP, the mCP-polysiloxane hybrid (PmCPS... Read More about Solution-processed blue/deep blue and white phosphorescent organic light emitting diodes (PhOLEDs) hosted by a polysiloxane derivative with pendant mCP (1, 3-bis(9-carbazolyl)benzene).

Optimization of a Solution-Processed SiO2 Gate Insulator by Plasma Treatment for Zinc Oxide Thin Film Transistors (2015)
Journal Article
Jeong, Y., Pearson, C., Kim, H., Park, M., Kim, H., Do, L., & Petty, M. (2016). Optimization of a Solution-Processed SiO2 Gate Insulator by Plasma Treatment for Zinc Oxide Thin Film Transistors. ACS Applied Materials and Interfaces, 8(3), 2061-2070. https://doi.org/10.1021/acsami.5b10520

We report on the optimization of the plasma treatment conditions for a solution-processed silicon dioxide gate insulator for application in zinc oxide thin film transistors (TFTs). The SiO2 layer was formed by spin coating a perhydropolysilazane (PHP... Read More about Optimization of a Solution-Processed SiO2 Gate Insulator by Plasma Treatment for Zinc Oxide Thin Film Transistors.

Scanning thermal microscopy with heat conductive nanowire probes (2015)
Journal Article
Timofeev, M., Bolshakov, A., Tovee, P., Zeze, D., Dubrovskii, V., & Kolosov, O. (2016). Scanning thermal microscopy with heat conductive nanowire probes. Ultramicroscopy, 162, 42-51. https://doi.org/10.1016/j.ultramic.2015.12.006

Scanning thermal microscopy (SThM), which enables measurement of thermal transport and temperature distribution in devices and materials with nanoscale resolution is rapidly becoming a key approach in resolving heat dissipation problems in modern pro... Read More about Scanning thermal microscopy with heat conductive nanowire probes.

Generating Light from Upper Excited Triplet States: A Contribution to the Indirect Singlet Yield of a Polymer OLED, Helping to Exceed the 25% Singlet Exciton Limit (2015)
Journal Article
Jankus, V., Aydemir, M., Dias, F. B., & Monkman, A. P. (2016). Generating Light from Upper Excited Triplet States: A Contribution to the Indirect Singlet Yield of a Polymer OLED, Helping to Exceed the 25% Singlet Exciton Limit. Advanced Science, 3(1), Article 1500221. https://doi.org/10.1002/advs.201500221

The mechanisms by which light is generated in an organic light emitting diode have slowly been elucidated over the last ten years. The role of triplet annihilation has demonstrated how the “spin statistical limit” can be surpassed, but it cannot acco... Read More about Generating Light from Upper Excited Triplet States: A Contribution to the Indirect Singlet Yield of a Polymer OLED, Helping to Exceed the 25% Singlet Exciton Limit.