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The key role of geminate electron-hole pair recombination in the delayed fluorescence in rhodamine 6G and ATTO-532 (2014)
Journal Article
Aydemir, M., Jankus, V., Dias, F., & Monkman, A. (2014). The key role of geminate electron-hole pair recombination in the delayed fluorescence in rhodamine 6G and ATTO-532. Physical Chemistry Chemical Physics, 16(39), 21543-21549

In this paper we investigate the delayed fluorescence (DF) phenomena in the widely used laser dye, rhodamine 6G, and its derivative ATTO-532 as a function of excitation energy using highly sensitive time-resolved gated nanosecond spectroscopy. Excita... Read More about The key role of geminate electron-hole pair recombination in the delayed fluorescence in rhodamine 6G and ATTO-532.

Photophysical Investigation of the Thermally Activated Delayed Emission from Films of m-MTDATA: PBD Exciplex (2014)
Journal Article
Graves, D., Jankus, V., Dias, F., & Monkman, A. (2014). Photophysical Investigation of the Thermally Activated Delayed Emission from Films of m-MTDATA: PBD Exciplex. Advanced Functional Materials, 24(16), 2343-2351

Understanding the delayed fluorescence mechanism behind the creation of emissive singlets from the non-emissive triplets in exciplexes is vital for the fabrication of highly efficient blue fluorescent emitters, and subsequent white light applications... Read More about Photophysical Investigation of the Thermally Activated Delayed Emission from Films of m-MTDATA: PBD Exciplex.

Effect of PEDOT-PSS resistivity and work function on PLED performance (2014)
Journal Article
Cook, J., Al-Attar, H., & Monkman, A. (2014). Effect of PEDOT-PSS resistivity and work function on PLED performance. Organic Electronics, 15(1), 245-250

The effect of a commonly used hole injection layer, poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT-PSS), on polymer light-emitting diode (PLED) performance has been investigated. A series of four different types of commercial PEDOT-PS... Read More about Effect of PEDOT-PSS resistivity and work function on PLED performance.

Engineering Blue Fluorescent Bulk Emitters for OLEDs: Triplet Harvesting by Green Phosphors (2014)
Journal Article
Hofmann, S., Hummert, M., Scholz, R., Luschtinetz, R., Murawski, C., Will, P., …Gather, M. (2014). Engineering Blue Fluorescent Bulk Emitters for OLEDs: Triplet Harvesting by Green Phosphors. Chemistry of Materials, 26(7), 2414-2426

Triplet harvesting in organic light-emitting diodes (OLEDs) from a blue fluorescent to a green phosphorescent emitter is important for the development of highly efficient white OLEDs for lighting applications. Here, we report new blue fluorescent bul... Read More about Engineering Blue Fluorescent Bulk Emitters for OLEDs: Triplet Harvesting by Green Phosphors.

Efficient and bright polymer light emitting field effect transistors. (2014)
Journal Article
Ullah, M., Tandy, K., Yambem, S. D., Muhieddine, K., Ong, W. J., Shi, Z., …Namdas, E. B. (2015). Efficient and bright polymer light emitting field effect transistors. Organic Electronics, 17, 371-376. https://doi.org/10.1016/j.orgel.2014.12.014

Light emitting field effect transistors (LEFETs) are emerging as a multi-functional class of optoelectronic devices. LEFETs can simultaneously execute light emission and the standard logic functions of a transistor in a single architecture. However,... Read More about Efficient and bright polymer light emitting field effect transistors..

Micro rectennas: Brownian ratchets for thermal-energy harvesting (2014)
Journal Article
Pan, Y., Powell, C., Song, A., & Balocco, C. (2014). Micro rectennas: Brownian ratchets for thermal-energy harvesting. Applied Physics Letters, 105(25), Article 253901. https://doi.org/10.1063/1.4905089

We experimentally demonstrated the operation of a rectenna for harvesting thermal (blackbody) radiation and converting it into dc electric power. The device integrates an ultrafast rectifier, the self-switching nanodiode, with a wideband log-periodic... Read More about Micro rectennas: Brownian ratchets for thermal-energy harvesting.

Very High Efficiency Orange-Red Light-Emitting Devices with Low Roll-Off at High Luminance Based on an Ideal Host-Guest System Consisting of Two Novel Phosphorescent Iridium Complexes with Bipolar Transport (2014)
Journal Article
Li, G., Zhu, D., Peng, T., Liu, Y., Wang, Y., & Bryce, M. R. (2014). Very High Efficiency Orange-Red Light-Emitting Devices with Low Roll-Off at High Luminance Based on an Ideal Host-Guest System Consisting of Two Novel Phosphorescent Iridium Complexes with Bipolar Transport. Advanced Functional Materials, 24(47), 7420-7426. https://doi.org/10.1002/adfm.201402177

Two phosphorescent iridium complexes with bipolar transporting ability, namely FPPCA (500 nm) and BZQPG (600 nm), are synthesized and employed as an ideal host-guest system for phosphorescent organic light emitting diodes (PHOLEDs).The devices give v... Read More about Very High Efficiency Orange-Red Light-Emitting Devices with Low Roll-Off at High Luminance Based on an Ideal Host-Guest System Consisting of Two Novel Phosphorescent Iridium Complexes with Bipolar Transport.

Electrochemical control of single-molecule conductance by Fermi-level tuning and conjugation switching (2014)
Journal Article
Baghernejad, M., Zhao, X., Ørnsø, K., Füeg, M., Moreno-García, P., Rudnev, A., …Bryce, M. (2014). Electrochemical control of single-molecule conductance by Fermi-level tuning and conjugation switching. Journal of the American Chemical Society, 136(52), 17922-17925. https://doi.org/10.1021/ja510335z

Controlling charge transport through a single molecule connected to metallic electrodes remains one of the most fundamental challenges of nanoelectronics. Here we use electrochemical gating to reversibly tune the conductance of two different organic... Read More about Electrochemical control of single-molecule conductance by Fermi-level tuning and conjugation switching.

Switching and memory characteristics of thin films of an ambipolar organic compound: effects of device processing and electrode materials (2014)
Journal Article
Lee, M., Pearson, C., Moon, T., Fisher, A., & Petty, M. (2014). Switching and memory characteristics of thin films of an ambipolar organic compound: effects of device processing and electrode materials. Journal of Physics D: Applied Physics, 47(48), https://doi.org/10.1088/0022-3727/47/48/485103

We report on the effects of device processing conditions, and of changing the electrode materials, on the switching and negative differential resistance (NDR) behaviour of metal/organic thin film/metal structures. The organic material was an ambipola... Read More about Switching and memory characteristics of thin films of an ambipolar organic compound: effects of device processing and electrode materials.