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Zerrin Yumak

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Related publications (4)

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Efficient and Stable Dye-Sensitized Solar Cells Based on a Tetradentate Copper(II/I) Redox Mediator

Ulf Anders Hagfeldt, Zerrin Yumak

The identification of an efficient and stable redox mediator is of paramount importance for commercialization of dye-sensitized solar cells (DSCs). Herein, we report a new class of copper complexes containing diamine-dipyridine tetradentate ligands (L1 = N ...

AMER CHEMICAL SOC2018

EHR: a Sensing Technology Readiness Model for Lifestyle Changes

Zerrin Yumak, Pearl Pu Faltings, Yu Chen

Interest in developing user-centered sensing technologies for personalized behavior change has gained significant momentum. However, very little research work has been done to understand issues relative to user readiness and adoption of the sensing technol ...

Springer2017

One plus one greater than two: high-performance inverted planar perovskite solar cells based on a composite CuI/CuSCN hole-transporting layer

Ulf Anders Hagfeldt, Zerrin Yumak

The low-cost and stable inorganic p-type semiconductor copper(i) iodide (CuI) is a promising hole-transporting layer (HTL) material for inverted planar perovskite solar cells (PSCs). However, the power conversion efficiencies (PCEs) of inverted planar PSCs ...

Royal Society of Chemistry2018

Making Them Remember-Emotional Virtual Characters with Memory

Zerrin Yumak

The search for the perfect virtual character is on, but the moment users interact with characters, any illusion that we’ve found it is broken. Adding memory capabilities to models of human emotions, personality, and behavior traits is a step toward a more ...

Institute of Electrical and Electronics Engineers2009