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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.

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.

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.

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.

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.

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.

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.

Spectroscopic studies of different poly3hexylthiophene chain environments in a polyfluorene matrix (2015)
Journal Article
Santos, P. L., Cury, L. A., Dias, F. B., & Monkman, A. P. (2016). Spectroscopic studies of different poly3hexylthiophene chain environments in a polyfluorene matrix. Journal of Luminescence, 172, 118-123. https://doi.org/10.1016/j.jlumin.2015.11.045

Optical properties of blends made of poly(9,9-dioctyl-fluorene-2,7-diyl) (PFO) and poly(3-hexylthiophene-2,5-diyl) (P3HT) were investigated and compared to those of poly(9,9-dioctylfluorene-alt-bithiophene) (F8T2) by steady state optical spectroscopy... Read More about Spectroscopic studies of different poly3hexylthiophene chain environments in a polyfluorene matrix.