DGIST Undergraduate Students Choi Ah-Young and Jeong Wook-Jin Publish Paper in Prestigious Academic Journal

DGIST (President Kook Yang) announced on the 11th that undergraduate students Choi Ah-Young (4th year) and Jung Wook-Jin (4th year) have published papers as first authors in the international SCI journal ChemSusChem.

Under the guidance of Professor Yang Ji-Woong from the Department of Energy Engineering, the two students conducted research on "eco-friendly hydrogen production through photoelectrochemical methods" and each wrote a paper as first authors, which was published in an international academic journal.

Photoelectrochemical hydrogen production is a technology that produces hydrogen using sunlight, electrolytes, and photocatalysts. Unlike petroleum-derived hydrogen, which currently dominates hydrogen production, this is an eco-friendly method that utilizes solar energy and is expected to show higher efficiency than current hydrogen production methods.

However, high efficiency has not yet been experimentally achieved, so various studies are underway to improve production efficiency.

Professor Yang Ji-woong (first on the right) from the Department of Energy Engineering at DGIST, and undergraduate students Jung Wook-jin (second on the right) and Choi Ah-young.

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Accordingly, both Choi Ah-Young and Jung Wook-Jin published papers proposing ways to increase eco-friendly photoelectrochemical hydrogen production.

First, Choi Ah-Young proposed a method to increase hydrogen production by additionally applying quantum dots and cocatalysts to photoelectrochemical hydrogen production photoelectrodes made of oxide semiconductors.

Jung Wook-Jin proposed a method to maximize hydrogen production through the photothermal effect by recycling thermal energy lost and wasted in the existing photoelectrochemical hydrogen production process.

Having a paper published in a prestigious international academic journal means that the research is internationally recognized. It is very rare for undergraduate students to publish their research results as first authors and have their papers published in such high-quality international journals.

This achievement is considered possible because DGIST has systematically established research participation programs starting from the undergraduate level.

DGIST offers various programs that allow undergraduate students to conduct research directly, such as UGRP, URP, undergraduate research students, and DGIST graduate internship programs, and also provides the necessary research infrastructure for experiments.

In fact, undergraduate students Choi Ah-Young and Jung Wook-Jin participated in research through the research program in Professor Yang Ji-Woong’s laboratory in the Department of Energy Engineering and achieved excellent results.

The ChemSusChem journal, in which DGIST undergraduate students published their papers, is an international journal that publishes the latest research results in sustainable energy and environmental fields, with an Impact Factor (IF) of 9.14, indicating its excellence.

The paper co-first authored by Choi Ah-Young and co-authored by Jung Wook-Jin was published as a cover article in volume 16, issue 3 of ChemSusChem, and the paper co-first authored by Jung Wook-Jin is currently published online in ChemSusChem and is scheduled for official publication in May.

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