Joonhee Moon
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View article: Unexpected Presence of Alkali Metal Cation Impurities, Stabilizing Cu+ in Oxide-Derived Cu for CO2 Electrolysis
Unexpected Presence of Alkali Metal Cation Impurities, Stabilizing Cu+ in Oxide-Derived Cu for CO2 Electrolysis Open
Electrocatalysts often undergo dynamic phase transitions during electrochemical operation, which introduce structural and chemical complexities that obscure the fundamental origins of their catalytic performance. Oxide-derived Cu (OD-Cu), …
View article: Mesoporous Boron‐Doped Carbon with Curved B<sub>4</sub>C Active Sites for Highly Efficient H<sub>2</sub>O<sub>2</sub> Electrosynthesis in Neutral Media and Air‐Supplied Environments
Mesoporous Boron‐Doped Carbon with Curved B<sub>4</sub>C Active Sites for Highly Efficient H<sub>2</sub>O<sub>2</sub> Electrosynthesis in Neutral Media and Air‐Supplied Environments Open
Hydrogen peroxide (H 2 O 2 ) electrosynthesis via the 2e − oxygen reduction reaction (ORR) is considered as a cost‐effective and safe alternative to the energy‐intensive anthraquinone process. However, in more practical environments, namel…
View article: Micropatterned Strain Domain in Graphene on Cu Substrates: Correlation with Facet Structures
Micropatterned Strain Domain in Graphene on Cu Substrates: Correlation with Facet Structures Open
Metallic catalysts have emerged as prominent materials for graphene growth because the choice of the substrate significantly influences the properties of graphene. Among metallic catalysts, Cu is a highly promising catalytic substrate beca…
View article: Activating iodine redox by enabling single-atom coordination to dormant nitrogen sites to realize durable zinc–iodine batteries
Activating iodine redox by enabling single-atom coordination to dormant nitrogen sites to realize durable zinc–iodine batteries Open
The introduction of a single Ni atom into an inactive N-doped carbon matrix, through its role as an electrocatalyst, awakens the dormant N sites, significantly suppressing the polyiodide shuttle effect and enhancing iodine redox kinetics.
View article: Micropatterned Strain Domain in Graphene on Cu Substrate: Correlation with Facet Structures
Micropatterned Strain Domain in Graphene on Cu Substrate: Correlation with Facet Structures Open
View article: Graphene Quantum Dots from Carbonized Coffee Bean Wastes for Biomedical Applications
Graphene Quantum Dots from Carbonized Coffee Bean Wastes for Biomedical Applications Open
Recent studies concerning graphene quantum dots (GQDs) focus extensively on their application in biomedicine, exploiting their modifiable optical properties and ability to complex with various molecules via π–π or covalent interactions. Am…
View article: Sub-micro droplet reactors for green synthesis of Li3VO4 anode materials in lithium ion batteries
Sub-micro droplet reactors for green synthesis of Li3VO4 anode materials in lithium ion batteries Open
View article: Direct Polymer Curing: Tailored Graphene Micropatterns by Wafer‐Scale Direct Transfer for Flexible Chemical Sensor Platform (Adv. Mater. 2/2021)
Direct Polymer Curing: Tailored Graphene Micropatterns by Wafer‐Scale Direct Transfer for Flexible Chemical Sensor Platform (Adv. Mater. 2/2021) Open
View article: Tailored Graphene Micropatterns by Wafer‐Scale Direct Transfer for Flexible Chemical Sensor Platform
Tailored Graphene Micropatterns by Wafer‐Scale Direct Transfer for Flexible Chemical Sensor Platform Open
2D materials, such as graphene, exhibit great potential as functional materials for numerous novel applications due to their excellent properties. The grafting of conventional micropatterning techniques on new types of electronic devices i…
View article: Sub-micro droplet reactors: Green synthesis of Li3VO4 anode materials for lithium ion batteries
Sub-micro droplet reactors: Green synthesis of Li3VO4 anode materials for lithium ion batteries Open
A new green-chemistry strategy, based on modified solid-state reaction with the addition of water vapor to accelerate acid-base reactions (ABR) at low temperature, was developed along with Ca-doping to synthesize electrode material for lit…
View article: Confocal laser scanning microscopy as a real-time quality-assessment tool for industrial graphene synthesis
Confocal laser scanning microscopy as a real-time quality-assessment tool for industrial graphene synthesis Open
For the industrial quality control (QC) of the chemical vapor deposition (CVD) graphene, it is essential to develop a method to screen out unsatisfactory graphene films as efficiently as possible. However, previously proposed methods based…
View article: Photo-Assisted Hydrogen Evolution with Reduced Graphene Oxide Catalyst on Silicon Nanowire Photocathode
Photo-Assisted Hydrogen Evolution with Reduced Graphene Oxide Catalyst on Silicon Nanowire Photocathode Open
The silicon-based photoelectrochemical (PEC) conversion system has recently gained attention owing to its ability to provide cost-efficient and superior photoresponsive behavior with respect to other semiconductor photoelectrodes. Carbon-b…
View article: Photo-Assisted Hydrogen Evolution with Reduced Graphene Oxide Catalyst on Silicon Nanowire Photocathode
Photo-Assisted Hydrogen Evolution with Reduced Graphene Oxide Catalyst on Silicon Nanowire Photocathode Open
Silicon-based photoelectrochemical (PEC) conversion system has recently gained attention with its ability to provide cost-efficient and superior photoresponsive behavior in regard to other various semiconductor photoelectrodes. Carbon-base…
View article: Graphene quantum dots: structural integrity and oxygen functional groups for high sulfur/sulfide utilization in lithium sulfur batteries
Graphene quantum dots: structural integrity and oxygen functional groups for high sulfur/sulfide utilization in lithium sulfur batteries Open
Lithium-sulfur (Li-S) batteries are expected to overcome the limit of current energy storage devices by delivering high specific energy with low material cost. However, the potential of Li-S batteries has not yet been realized because of s…
View article: Correction: N-doped graphene quantum sheets on silicon nanowire photocathodes for hydrogen production
Correction: N-doped graphene quantum sheets on silicon nanowire photocathodes for hydrogen production Open
Correction for ‘N-doped graphene quantum sheets on silicon nanowire photocathodes for hydrogen production’ by Uk Sim et al., Energy Environ. Sci., 2015, DOI: 10.1039/c4ee03607g.