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  1. No Access

    Article

    Dry Transfer Printed Hole Transport Layer for Hysteresis-Free Colloidal Quantum Dot Solar Cells

    Colloidal quantum dot (CQD) solar cells have drawn a lot of attention because of their potential for bandgap engineering, which enables broad and powerful absorption in the wavelength of sunlight, and low-cost...

    Hyung Cheoul Shim, Jung Hoon Song, Areum Kim… in International Journal of Precision Enginee… (2024)

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    Article

    Purification of Colloidal Nanocrystals Along the Road to Highly Efficient Photovoltaic Devices

    Colloidal semiconducting nanocrystals, also called colloidal quantum dots (QDs) afford efficient photoconversion from visible to infrared wavelength owing to their size-dependent optoelectronic properties. To ...

    Taewan Kim, Mathew L. Kelley, Duckjong Kim… in International Journal of Precision Enginee… (2021)

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    Chapter and Conference Paper

    Analyzing Twitter Data of Family Caregivers of Alzheimer’s Disease Patients Based on the Depression Ontology

    In this paper, we present an ontology-based approach to analyze depression of family caregivers of Alzheimer’s disease patients. First, we developed depression ontology called OntoDepression considering the l...

    Hyon Hee Kim, Sohee Jeong, Annie Kim… in Advances in Computer Science and Ubiquitou… (2020)

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    Article

    A Review on Eco-Friendly Quantum Dot Solar Cells: Materials and Manufacturing Processes

    Power conversion efficiencies of colloidal quantum dot solar cells, which have focused mainly on lead chalcogenide systems until recently, have increased rapidly and currently exceed 12%. Among the many issues...

    Hyekyoung Choi, Sohee Jeong in International Journal of Precision Enginee… (2018)