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Your search keyword '"Sung Mook Choi"' showing total 2 results
Start Over Author "Sung Mook Choi" Journal nanotechnology
2 results on '"Sung Mook Choi"'

1. Synthesis of hierarchical MoO

Author

Youngwoo, Rheem, Yosep, Han, Kyu Hwan, Lee, Sung-Mook, Choi, and Nosang V, Myung

Abstract

Perpendicularly attached MoS

Published
2017

2. Synthesis of hierarchical MoO2/MoS2 nanofibers for electrocatalytic hydrogen evolution

Author

Kyu Hwan Lee, Sung-Mook Choi, Yosep Han, Nosang V. Myung, and Youngwoo Rheem

Subjects
Tafel equation, Materials science, Standard hydrogen electrode, Mechanical Engineering, Bioengineering, Nanotechnology, 02 engineering and technology, General Chemistry, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, Electrospinning, 0104 chemical sciences, law.invention, Nanocrystal, Chemical engineering, Mechanics of Materials, law, Nanofiber, General Materials Science, Calcination, Hydrogen evolution, Electrical and Electronic Engineering, 0210 nano-technology, Electrical conductor
Abstract

Perpendicularly attached MoS2 nanosheets on MoO2 conductive nanofibers were synthesized by combining electrospinning, calcination, and sulfurization processes. Compared to randomly stacked MoS2 nanosheets on MoO2 nanofiber, they show greater hydrogen evolution reaction (HER) performance (i.e., onset potential of -180 mV versus normal hydrogen electrode with the Tafel slope of 59 mV dec-1). HER performance decreases with increasing MoS2 nanocrystal size.

Published
2017
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