Zobrazeno 1 - 10
of 436
pro vyhledávání: '"YONG-HO CHOA"'
Autor:
Han Kim, Minseob Lim, Byungkwon Jang, Si-woo Park, Ji Young Park, Haishan Shen, Kangmo Koo, Hong-Baek Cho, Yong-Ho Choa
Publikováno v:
Science and Technology of Advanced Materials, Vol 24, Iss 1 (2023)
ABSTRACTThis study introduces an approach to overcome the limitations of conventional pressure sensors by developing a thin and lightweight composite film specifically tailored for flexible capacitive pressure sensors, with a particular emphasis on t
Externí odkaz:
https://doaj.org/article/f2803d61702345cb882bd7b2096b6c81
Publikováno v:
Sensors and Actuators Reports, Vol 6, Iss , Pp 100166- (2023)
Nanocrystalline ZnO quantum dots (QD) with a diameter of 10 nm was synthesized and tested toward eight different toxic industrial chemicals (i.e., nitrogen dioxide (NO2), hydrogen sulfide (H2S), ammonia (NH3), carbon monoxide (CO), methane (CH4), eth
Externí odkaz:
https://doaj.org/article/f4cbf339bb344c5fba037b2596ac89ae
Autor:
Seung-Hwan Lee, Hyun-Woo Lee, So Hyun Baek, Jeungjai Yun, Yongbum Kwon, Yoseb Song, Bum Sung Kim, Yong-Ho Choa, Da-Woon Jeong
Publikováno v:
Polymers, Vol 16, Iss 3, p 433 (2024)
Power generation technologies based on water movement and evaporation use water, which covers more than 70% of the Earth’s surface and can also generate power from moisture in the air. Studies are conducted to diversify materials to increase power
Externí odkaz:
https://doaj.org/article/38a3dac8d4c64b30920de8dbb7860877
Publikováno v:
Nanomaterials, Vol 14, Iss 1, p 70 (2023)
Alcohol ingested by humans can be analyzed via breath tests; however, approximately 1% can be excreted via the skin. In this paper, we present a capacitive sensor using hydrophobically treated anodic aluminum oxide (AAO) capable of detecting alcohol
Externí odkaz:
https://doaj.org/article/2ffdf6caa66042ab9530f66c6cddebe2
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 4, Pp 955-958 (2021)
To form the fine micro-structures, the Pr17Fe78B5 magnet powders were produced in the optimized gas atomization conditions and it was investigated that the formation of the textures, microstructures, and the changes in the magnetic properties with in
Externí odkaz:
https://doaj.org/article/100ba1d34c3346c586cf8b65936916d4
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 3, Pp 709-712 (2021)
In this study, we demonstrated a method of controllably synthesizing one-dimensional nanostructures having a dense or a hollow structure using fibrous sacrificial templates with tunable crystallinity. The fibrous Ga2O3 templates were prepared by calc
Externí odkaz:
https://doaj.org/article/97730540e5a84e8e883dca59efcdc8ca
Autor:
Nu Si A Eom, Muhammad Aneeq Haq, Jimin Lee, Kyoung-Mook Lim, Taek Soo Kim, Yong-Ho Choa, Bum Sung Kim
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 65, Iss No 3, Pp 993-996 (2020)
In this study, we demonstrate a facile and cost-effective way to synthesize Nd-Fe-B of various shapes such as powders, rods and fibers using electrospinning, heat-treatment and washing procedures. Initially Nd-Fe-B fibers were fabricated using electr
Externí odkaz:
https://doaj.org/article/15c2c912d387485797fd2d7daae03d2b
Autor:
Young-Tae Kwon, Yun-Soung Kim, Shinjae Kwon, Musa Mahmood, Hyo-Ryoung Lim, Si-Woo Park, Sung-Oong Kang, Jeongmoon J. Choi, Robert Herbert, Young C. Jang, Yong-Ho Choa, Woon-Hong Yeo
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-11 (2020)
Though wearable electronics remain an attractive technology for bioelectronics, fabrication methods that precisely print biocompatible materials for electronics are needed. Here, the authors report an additive manufacturing process that yields all-pr
Externí odkaz:
https://doaj.org/article/53370886c839444f89b1eed95e6aab6c
Publikováno v:
Frontiers in Chemistry, Vol 10 (2022)
Reinforced concrete is among the most multifaceted materials used in the construction field. Maintaining the resistance of reinforced concrete to weathering, abrasion, and chemical attack, particularly in aggressive natural conditions such as seawate
Externí odkaz:
https://doaj.org/article/a77873bd472b4259a2ad46a4469cc085
Publikováno v:
Frontiers in Chemistry, Vol 9 (2021)
The electrochemical exfoliation of graphite has been considered to be an effective approach for the mass production of high-quality graphene due to its easy, simple, and eco-friendly synthetic features. However, water dispersion of graphene produced
Externí odkaz:
https://doaj.org/article/ddd688888d20420ab1966c44fb859aa0