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Ayla Does Art!
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Ayla Wants Bamboo
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Using Simulations to Probe the Interfacial Disorder of Organic Solar Cells
Solar cell technology is constantly evolving, pushing the limits of efficiency while working to conserve costs. Organic solar cells are promisingly inexpensive to make but are much more disordered than conventional materials, making them much less efficient. This disorder, which takes the form of traps, greatly influences the behavior of the carriers but is not fully understood. Understanding all the intricacies of this disorder would enable us to build more efficient devices. In a heterojunction organic photovoltaic device, the trap properties of the interface between the donor and acceptor materials can significantly impact the device efficiency but it is still unclear exactly how. We hypothesized that the trap properties of this interface impact the performance of the device more than the bulk properties and that there is more disorder in the interface than the bulk. We investigated our hypotheses using drift-diffusion simulations and found that while the interface does have more of an impact on the device than the bulk it is difficult to conclude if there is more disorder in the interface than the bulk.
Deadpoint
Ayla loves climbing. But she prefers to climb indoors, with all her safety harnesses in place and soft mats to land on. Her climbing partner and best friend, Lissy, is much more adventurous and loves the outdoors. When Lissy starts hanging out with Carlos, the new thrill-seeking guy in town, Ayla wants to keep an eye on her and finds herself tagging along on a weekend climbing trip up Black Dog Mountain. But things go very wrong when Lissy and her dad, the only adult in the group, are badly injured high on the side of the mountain. Suddenly the risks of climbing become very real. Ayla and Carlos need to figure out how to get help, and every decision they make could have catastrophic consequences.
Klavdhia-Tremithos
"The aim of this study is to give as complete a picture of the Middle and Late Bronze Age site at Klavdhia-Tremithos as possible. The site was excavated in 1899 by the British Museum, under the direction of F.B. Welch. Only tombs were excavated and, except for the finds, we have only a very brief report and a sketch, attached to a letter from Welch to M.S. Murray at the British Museum dated Athens 16th June 1899. The finds from the excavation were divided between the British Museum and the Cyprus Museum, Nicosia. Contents include: Introduction, Catalogue, Studies of the Finds, Chronology of the Tombs, Kladhia-Tremithos in its setting, Summary, Bibliography, Concordance of Museum inventory numbers and catalogue numbers, Appendices and Plates."
Magnesia on the Meander
This guide to the site of Magnesia presents information on the first excavations as well as the author's 23 years of work here. Magnesia was hidden by silts for many years, and even being n a main trading route had not protected its agora, temples and civic buildings from being lost to the elements.
