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Featured researches published by San Moon.


Advanced Materials | 2012

Flexible Nanocomposite Generator Made of BaTiO 3 Nanoparticles and Graphitic Carbons

Kwi-Il Park; Minbaek Lee; Ying Liu; San Moon; Geon-Tae Hwang; Ji Eun Kim; Sang Ouk Kim; Do Kyung Kim; Zhong Lin Wang; Keon Jae Lee

Outdoor renewable energy sources such as solar energy (15 000 μ W/cm 3 ), [ 3 , 4 ] wind energy (380 μ W/cm 3 ), [ 5 ] and wave energy (1 000 W/cm of wave crest length) [ 6 , 7 ] can provide largescale needs of power. However, for driving small electronics in indoor or concealed environments [ 3 , 8 ] (such as in tunnels, clothes, and artifi cial skin) and implantable biomedical devices, innovative approaches have to be developed. One way of energy harvesting without such restraints is to utilize piezoelectric materials that can convert vibrational and mechanical energy sources from human activities such as pressure, bending, and stretching motions into electrical energy. [ 9–11 ]


Advanced Materials | 2013

Encapsulated monoclinic sulfur for stable cycling of li-s rechargeable batteries.

San Moon; Young Hwa Jung; Wook Ki Jung; Dae Soo Jung; Jang Wook Choi; Do Kyung Kim

Monoclinic S8 , an uncommon allotrope of sulfur at room temperature, can be formed when common orthorhombic S8 is heat-treated under enclosed environments in nanometer dimensions. Monoclinic S8 prevents the formation of soluble polysulfides during battery operation, resulting in unprecedented cycling performance over 1000 cycles under the highest sulfur content to date.


RSC Advances | 2017

Piezoelectric energy harvesting from a PMN–PT single nanowire

Brindha Moorthy; Changyeon Baek; Ji Eun Wang; Chang Kyu Jeong; San Moon; Kwi-Il Park; Do Kyung Kim

Flexible piezoelectric generators constructed using one-dimensional nanostructures are well known for their efficient energy harvesting. Herein, we have fabricated a flexible piezoelectric energy harvester (PEH) consisting of a single 0.65Pb(Mg1/3Nb2/3)O3–0.35PbTiO3 nanowire (PMN–PT NW) using a facile transferring approach onto a Au electrode-patterned plastic substrate. The well-developed device effectively harvested the maximum output signals (9 mV and 1.5 nA) originating from a single PMN–PT nanowire under mechanical bending/unbending motions. The designed PEH is also expected to be utilized as a versatile tool to evaluate the performance of a one-dimensional nanostructure.


Advanced Materials | 2013

Batteries: Encapsulated Monoclinic Sulfur for Stable Cycling of Li–S Rechargeable Batteries (Adv. Mater. 45/2013)

San Moon; Young Hwa Jung; Wook Ki Jung; Dae Soo Jung; Jang Wook Choi; Do Kyung Kim

On page 6547 Do Kyung Kim, Jang Wook Choi and co-workers describe a highly aligned and carbon-encapsulated sulfur cathode synthesized with an AAO template that exhibits a high and long cycle life, and the best rate capability based on the complete encapsulation of sulfur (physical) and implementation of the monoclinic sulfur phase (chemical).


Journal of the American Ceramic Society | 2012

Synthesis and Size Control of Tetragonal Barium Titanate Nanopowders by Facile Solvothermal Method

Hyun-Wook Lee; San Moon; Chang-Hak Choi; Do Kyung Kim


Journal of Power Sources | 2015

Enhanced electrochemical performance of a crosslinked polyaniline-coated graphene oxide-sulfur composite for rechargeable lithium–sulfur batteries

San Moon; Young Hwa Jung; Do Kyung Kim


Ceramics International | 2012

Carbon coating by high-energy milling and electrochemical properties of LiMnPO4 obtained in polyol process

San Moon; P. Muralidharan; Do Kyung Kim


Journal of the American Ceramic Society | 2012

Influence of Ammonia on Properties of Nanocrystalline Barium Titanate Particles Prepared by a Hydrothermal Method

San Moon; Hyun-Wook Lee; Chang-Hak Choi; Do Kyung Kim


Journal of the American Ceramic Society | 2016

Formation and Accumulation of Intragranular Pores in the Hydrothermally Synthesized Barium Titanate Nanoparticles

Changyeon Baek; Ji Eun Wang; San Moon; Chang-Hak Choi; Do Kyung Kim


Journal of The Electrochemical Society | 2017

Effective Suppression of Polysulfide Dissolution by Uniformly Transfer-Printed Conducting Polymer on Sulfur Cathode for Li-S Batteries

San Moon; Jung-Keun Yoo; Young Hwa Jung; Joo-Hyung Kim; Yeon Sik Jung; Do Kyung Kim

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Chang-Hak Choi

Samsung Electro-Mechanics

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Kwi-Il Park

Gyeongnam National University of Science and Technology

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Hyun-Wook Lee

Ulsan National Institute of Science and Technology

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