Outputs (327)

The impact of affordable housing developments on sustainability in Gulf cities (2016)
Journal Article
Wiedmann, F., Salama, A. M., & Ibrahim, H. G. (2016). The impact of affordable housing developments on sustainability in Gulf cities. Open House International, 41(4), 31-38

The recent construction boom has led to new urban development dynamics in Gulf cities driven by real-estate speculations and large infrastructure investments. While in the past affordable housing for medium income migrants and their families was inte... Read More about The impact of affordable housing developments on sustainability in Gulf cities.

Charge transport control via polymer polymorph modulation in ternary organic photovoltaic composites (2015)
Journal Article
Kan, Z., Colella, L., Canesi, E. V., Vorobiev, A., Skrypnychuk, V., Terraneo, G., Barbero, D. R., Bertarelli, C., MacKenzie, R. C., & Keivanidis, P. E. (2016). Charge transport control via polymer polymorph modulation in ternary organic photovoltaic composites. Journal of Materials Chemistry A, 1195-1201. https://doi.org/10.1039/c5ta08120c

The control on the charge transport properties of ternary organic photovoltaic P3HT?:?PCBM?:?QBT devices is enabled by modulating the distribution of P3HT polymorphs in the device photoactive layers. Negligible amounts of QBT induce striking modifica... Read More about Charge transport control via polymer polymorph modulation in ternary organic photovoltaic composites.

Loss mechanisms in high efficiency polymer solar cells (2015)
Journal Article
MacKenzie, R. C. I., Balderrama, V. S., Schmeisser, S., Stoof, R., Greedy, S., Pallarès, J., Marsal, L. F., Chanaewa, A., & von Hauff, E. (2016). Loss mechanisms in high efficiency polymer solar cells. Advanced Energy Materials, 6(4), 1-7. https://doi.org/10.1002/aenm.201501742

Performance losses and aging mechanisms are investigated in state‐of‐the‐art PTB7:PC70BM solar cells. Inverted devices incorporating a vanadium pentoxide (V2O5) top contact have efficiencies of 8%. After aging the unencapsulated devices, no changes a... Read More about Loss mechanisms in high efficiency polymer solar cells.

Photocatalytic reactor systems for solar fuel production: Present and state-of-the-art applications (2015)
Book Chapter
OLA, O., & Maroto-Valer, M. (2015). Photocatalytic reactor systems for solar fuel production: Present and state-of-the-art applications. . Nova Science Publishers

A comparative assessment of housing dynamics In Abu Dhabi and Doha (2015)
Journal Article
Ibrahim, H., Salama, A. M., Wiedmann, F., & Awwaad, R. (2016). A comparative assessment of housing dynamics In Abu Dhabi and Doha. Archnet-IJAR, 10(3), 152-169

© 2016 Archnet-IJAR, International Journal of Architectural Research. Abu Dhabi and Doha have evolved rapidly in the twentieth century due to the investment of oil and gas revenues. The fast economic growth resulted in an extensive period of urbaniza... Read More about A comparative assessment of housing dynamics In Abu Dhabi and Doha.

The image of the city in the information era: analyzing the effect of digital mobile devices on city imaging process (2015)
Presentation / Conference Contribution
Ahmadpoormobarakeh, N., & Heath, T. (2015, September). The image of the city in the information era: analyzing the effect of digital mobile devices on city imaging process. Presented at 3rd International Biennial Conference Hybrid City 2015: Data to the People, Athens, Greece

This paper presents the early stages of a PhD research which attempts to analyze the effect of using digital mobile devices on the process of city imaging in The Information Era. Within this process, some guidelines are suggested in order to facilita... Read More about The image of the city in the information era: analyzing the effect of digital mobile devices on city imaging process.

Novel Approach Toward Plasma Enhancement in Trench-Insulated Gate Bipolar Transistors (2015)
Journal Article
Antoniou, M., Lophitis, N., Bauer, F., Nistor, I., Bellini, M., Rahimo, M., Amaratunga, G., & Udrea, F. (2015). Novel Approach Toward Plasma Enhancement in Trench-Insulated Gate Bipolar Transistors. IEEE Electron Device Letters, 36(8), 823-825. https://doi.org/10.1109/LED.2015.2433894

In this letter, a trench-insulated gate bipolar transistor (IGBT) design with local charge compensating layers featured at the cathode of the device is presented and analyzed. The superjunction or reduced surface effect proves to be very effective in... Read More about Novel Approach Toward Plasma Enhancement in Trench-Insulated Gate Bipolar Transistors.

Organic semiconductors with a charge carrier life time of over 2 hours at room temperature (2015)
Journal Article
Liu, Y., MacKenzie, R. C., Xu, B., Gao, Y., Gimeno-Fabra, M., Grant, D., van Loosdrecht, P. H., & Tian, W. (2015). Organic semiconductors with a charge carrier life time of over 2 hours at room temperature. Journal of Materials Chemistry C, 3(47), 12260-12266. https://doi.org/10.1039/c5tc02678d

Recently, Gao et al. reported being able to measure significant quantities of photogenerated charge up to one hour after it had been generated in an organic semiconductor device. The aim of this paper is twofold; (a) to provide conclusive experimenta... Read More about Organic semiconductors with a charge carrier life time of over 2 hours at room temperature.

Assessing Handheld Mobile Laser Scanners for Forest Surveys (2015)
Journal Article
Ryding, J., Williams, E., Smith, M. J., & Eichhorn, M. P. (2015). Assessing Handheld Mobile Laser Scanners for Forest Surveys. Remote Sensing, 7(1), 1095-1111. https://doi.org/10.3390/rs70101095

Abstract: A handheld mobile laser scanning (HMLS) approach to forest inventory surveying allows virtual reconstructions of forest stands and extraction of key structural parameters from beneath the canopy, significantly reducing survey time when comp... Read More about Assessing Handheld Mobile Laser Scanners for Forest Surveys.

When the Oryx takes off: Doha a new rising knowledge hub in the gulf region? (2015)
Journal Article
Conventz, S., Thierstein, A., Wiedmann, F., & Salama, A. M. (2015). When the Oryx takes off: Doha a new rising knowledge hub in the gulf region?. International Journal of Knowledge-Based Development, 6(1), 65-82. https://doi.org/10.1504/IJKBD.2015.069443

Copyright © 2015 Inderscience Enterprises Ltd. With accelerating pace in the past years, Qatar has strategically pushed forward its economic diversification. According to Qatar's long-term development vision, the knowledge-economy is taking a key rol... Read More about When the Oryx takes off: Doha a new rising knowledge hub in the gulf region?.