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Transforming Carbon Black into Graphene Oxide Quantum Dots by Pulsed Laser Ablation in Ethanol
Jung-Il Lee, Jeong Ho Ryu
Korean J. Met. Mater. 2020;58(11):808-814.   Published online 2020 Oct 21
DOI: https://doi.org/10.3365/KJMM.2020.58.11.808

Graphene oxide quantum dots (GOQDs) are nanometer-sized graphene oxide fragments that exhibit unique properties, making them interesting candidates for a range of new applications. Carbon black, one of the commercially available carbon precursors, is produced by the thermal decomposition or incomplete combustion of organic compounds. It is commonly used as..... More

Graphene Oxide Coated Silver Nanofiber Transparent Conducting Electrode
전기방사법을 이용한 산화 그래핀-은 나노섬유 투명전극
Jae Young Hyeon, Sung-Hoon Choa, Kyoung Wan Park, Jung Hyun Sok
현재영, 좌성훈, 박경완, 석중현
Korean J. Met. Mater. 2020;58(9):626-632.   Published online 2020 Aug 19
DOI: https://doi.org/10.3365/KJMM.2020.58.9.626

We fabricated a transparent conducting electrode composed of graphene oxide (GO) and silver (Ag) nanofibers. The graphene oxide was spray-coated on the Ag nanofiber film, which was fabricated by electrospinning process. Ag/poly(vinyl alcohol) ink was fabricated in a polymer matrix solution using the solgel method. The sprayed film was sintered..... More

Thermoelectric Transport Properties of Interface-Controlled <i>n</i>-type Bismuth Telluride Selenide Composites by Reduced Graphene Oxide
환원 그래핀 산화물을 이용하여 계면제어된 n형 Bismuth Telluride Selenide 복합체의 열전수송특성에 대한 연구
Ui Gyeong Hwang, Young Soo Lim
황의경, 임영수
Korean J. Met. Mater. 2019;57(9):603-608.   Published online 2019 Aug 21
DOI: https://doi.org/10.3365/KJMM.2019.57.9.603

We report the effect of interface control using reduced graphene oxide (RGO) on the thermoelectric transport properties of Bi2Te2.7Se0.3 (BTS)-RGO composites. The interface-controlled BTS-RGO composites were prepared by the consolidation of BTS-RGO hybrid powders using spark plasma sintering (SPS). The RGO-hybridization reduced the grain size in the BTS-RGO composites because..... More

                           Cited By 2
Properties of Perovskite Solar Cells with GO Addition on TiO<sub>2</sub> Layer
TiO2의 GO 혼합 양에 따른 페로브스카이트 태양전지의 물성 연구
Hyeryeong Lee, Kwangbae Kim, Ohsung Song
이혜령, 김광배, 송오성
Korean J. Met. Mater. 2019;57(7):456-461.   Published online 2019 Jun 5
DOI: https://doi.org/10.3365/KJMM.2019.57.7.456

The photovoltaic properties of perovskite solar cells (PSCs) were investigated by adding graphene oxide (GO) to the electron transport layer of TiO2. The PSCs were fabricated with a glass/FTO/BL-TiO2/meso-TiO2 + GO/perovskite/HTL/Au electrode structure by adding various contents of GO (0.0, 0.3, 0.5 and 0.7 wt%) to the TiO2 layer. To..... More

                           Cited By 1
Effects of Interface Control Using Reduced Graphene Oxide (RGO) on the Thermoelectric Transport Properties of Polycrystalline SnSe Compounds
환원 산화 그래핀을 이용한 계면제어가 다결정 SnSe의 열전 수송특성에 미치는 효과
Sang Tae Lee, Young Soo Lim
이상태, 임영수
Korean J. Met. Mater. 2018;56(2):163-169.   Published online 2018 Feb 5
DOI: https://doi.org/10.3365/KJMM.2018.56.2.163

We report the effects of interface control using reduced graphene oxide (RGO) on the thermoelectric transport properties of polycrystalline SnSe compounds. Polycrystalline SnSe-RGO composites were prepared by the consolidation of SnSe powder coated with the RGO by hot pressing, and the RGO content was controlled to be 0, 0.2, 0.5..... More

Effect of E-Beams Irradiation Dose on the Sensing Properties of Pt-Functionalized Reduced Graphene Oxides Following Annealing of the 6 nm-Thick Pt Layer
Yong Jung Kwon, Ali Mirzaei, Han Gil Na, Sung Yong Kang, Myung Sik Choi, Jae Hoon Bang, Jaegab Lee, Inpil Kang, Sang Sub Kim, Hyoun Woo Kim
Korean J. Met. Mater. 2017;55(7):492-502.   Published online 2017 Jul 4
DOI: https://doi.org/10.3365/KJMM.2017.55.7.492

Pt-functionalized RGO samples were prepared and subsequently irradiated with 2-MeV electron beams (e-beams). The effect of e-beam dose on the structural, electrical, and gas sensing properties of the samples was investigated. E-beam irradiation was found to induce significant microstructural changes in the Pt-functionalized RGO. Measurements of NO2 sensing at room..... More

         Cited By 1
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