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Firdaus AM, Hawari NH, Adios CG, Nasution PM, Peiner E, Wasisto HS, Sumboja A. Unlocking High-Current Performance in Silicon Anode: Synergistic Phosphorus Doping and Nitrogen-Doped Carbon Encapsulation to Enhance Lithium Diffusivity. Chem Asian J 2024; 19:e202400036. [PMID: 38414228 DOI: 10.1002/asia.202400036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/27/2024] [Accepted: 02/27/2024] [Indexed: 02/29/2024]
Abstract
The silicon (Si) offers enormous theoretical capacity as a lithium-ion battery (LIB) anode. However, the low charge mobility in Si particles hinders its application for high current loading. In this study, ball-milled phosphorus-doped Si nanoparticles encapsulated with nitrogen-doped carbon (P-Si@N-C) are employed as an anode for LIBs. P-doped Si nanoparticles are first obtained via ball-milling and calcination of Si with phosphoric acid. N-doped carbon encapsulation is then introduced via carbonization of the surfactant-assisted polymerization of pyrrole monomer on P-doped Si. While P dopant is required to support the stability at high current density, the encapsulation of Si particles with N-doped carbon is influential in enhancing the overall Li+ diffusivity of the Si anode. The combined approaches improve the anode's Li+ diffusivity up to tenfold compared to the untreated anode. It leads to exceptional anode stability at a high current, retaining 87 % of its initial capacity under a large current rate of 4000 mA g-1. The full-cell comprising P-Si@N-C anode and LiFePO4 cathode demonstrates 94 % capacity retention of its initial capacity after 100 cycles at 1 C. This study explores the effective strategies to improve Li+ diffusivity for high-rate Si-based anode.
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Affiliation(s)
- Arief Muhammad Firdaus
- Materials Science and Engineering Research Group, Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung, 40132, Indonesia
| | - Naufal Hanif Hawari
- Materials Science and Engineering Research Group, Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung, 40132, Indonesia
| | - Celfi Gustine Adios
- Materials Science and Engineering Research Group, Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung, 40132, Indonesia
| | - Paramadina Masihi Nasution
- Materials Science and Engineering Research Group, Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung, 40132, Indonesia
| | - Erwin Peiner
- Institute of Semiconductor Technology (IHT) and Laboratory for Emerging Nanometrology (LENA), Technische Universität Braunschweig, Hans-Sommer-Straße 66, Braunschweig, 38106, Germany
| | | | - Afriyanti Sumboja
- Materials Science and Engineering Research Group, Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung, 40132, Indonesia
- Research Collaboration Center for Advanced Energy Materials, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung, 40132, Indonesia
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2
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Inbanathan FPN, Cimatu KLA, Ingram DC, Erasquin UJ, Dasari K, Sultan MS, Sajjad M, Makarov V, Weiner BR, Morell G, Sharifi Abdar P, Jadwisienczak WM. Paramagnetism in Microwave-Synthesized Metal-Free Nitrogen-Doped Graphene Quantum Dots. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16093410. [PMID: 37176291 PMCID: PMC10179833 DOI: 10.3390/ma16093410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/11/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
Nitrogen-doped graphene quantum dots (NGQDs) have gained significant attention due to their various physical and chemical properties; however, there is a gap in the study of NGQDs' magnetic properties. This work adds to the efforts of bridging the gap by demonstrating the room temperature paramagnetism in GQDs doped with Nitrogen up to 3.26 at.%. The focus of this experimental work was to confirm the paramagnetic behavior of metal free NGQDs resulting from the pyridinic N configuration in the GQDs host. Metal-free nitrogen-doped NGQDs were synthesized using glucose and liquid ammonia as precursors by microwave-assisted synthesis. This was followed by dialysis filtration. The morphology, optical, and magnetic properties of the synthesized NGQDs were characterized carefully through atomic force microscopy (AFM), transmission electron microscopy (TEM)), UV-VIS spectroscopy, fluorescence, X-ray photon spectroscopy (XPS), and vibrating sample magnetometer (VSM). The high-resolution TEM analysis of NGQDs showed that the NGQDs have a hexagonal crystalline structure with a lattice fringe of ~0.24 nm of (1120) graphene plane. The N1s peak using XPS was assigned to pyridinic, pyrrolic, graphitic, and oxygenated NGQDs. The magnetic study showed the room-temperature paramagnetic behavior of NGQDs with pyridinic N configuration, which was found to have a magnetization of 20.8 emu/g.
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Affiliation(s)
- Flavia P N Inbanathan
- School of Electrical Engineering and Computer Science, Ohio University, Athens, OH 45701, USA
| | | | - David C Ingram
- Department of Physics and Astronomy, Ohio University, Athens, OH 45701, USA
| | | | - Kiran Dasari
- Department of Physics, University of Puerto Rico-Rio Piedras Campus, San Juan, PR 00925-2537, USA
| | - Muhammad Shehzad Sultan
- Department of Physics, University of Puerto Rico-Rio Piedras Campus, San Juan, PR 00925-2537, USA
- Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926-2614, USA
| | - Muhammad Sajjad
- Department of Physics, University of Puerto Rico-Rio Piedras Campus, San Juan, PR 00925-2537, USA
- Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926-2614, USA
| | - Vladimir Makarov
- Department of Physics, University of Puerto Rico-Rio Piedras Campus, San Juan, PR 00925-2537, USA
- Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926-2614, USA
| | - Brad R Weiner
- Department of Physics, University of Puerto Rico-Rio Piedras Campus, San Juan, PR 00925-2537, USA
- Department of Chemistry, University of Puerto Rico-Rio Piedras Campus, San Juan, PR 00925-2537, USA
| | - Gerardo Morell
- Department of Physics, University of Puerto Rico-Rio Piedras Campus, San Juan, PR 00925-2537, USA
- Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926-2614, USA
| | - Payman Sharifi Abdar
- Department of Chemical and Biomedical Engineering, Institute for Corrosion and Multiphase Flow Technology, Ohio University, Athens, OH 45701, USA
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Olatomiwa A, Adam T, Edet C, Adewale A, Chik A, Mohammed M, Gopinath SC, Hashim U. Recent advances in density functional theory approach for optoelectronics properties of graphene. Heliyon 2023; 9:e14279. [PMID: 36950613 PMCID: PMC10025043 DOI: 10.1016/j.heliyon.2023.e14279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/09/2023] Open
Abstract
Graphene has received tremendous attention among diverse 2D materials because of its remarkable properties. Its emergence over the last two decades gave a new and distinct dynamic to the study of materials, with several research projects focusing on exploiting its intrinsic properties for optoelectronic devices. This review provides a comprehensive overview of several published articles based on density functional theory and recently introduced machine learning approaches applied to study the electronic and optical properties of graphene. A comprehensive catalogue of the bond lengths, band gaps, and formation energies of various doped graphene systems that determine thermodynamic stability was reported in the literature. In these studies, the peculiarity of the obtained results reported is consequent on the nature and type of the dopants, the choice of the XC functionals, the basis set, and the wrong input parameters. The different density functional theory models, as well as the strengths and uncertainties of the ML potentials employed in the machine learning approach to enhance the prediction models for graphene, were elucidated. Lastly, the thermal properties, modelling of graphene heterostructures, the superconducting behaviour of graphene, and optimization of the DFT models are grey areas that future studies should explore in enhancing its unique potential. Therefore, the identified future trends and knowledge gaps have a prospect in both academia and industry to design future and reliable optoelectronic devices.
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Affiliation(s)
- A.L. Olatomiwa
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
- Faculty of Electronic Engineering and Technology, Universiti Malaysia Perlis, 02600, Arau, Perlis, Malaysia
| | - Tijjani Adam
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
- Faculty of Electronic Engineering and Technology, Universiti Malaysia Perlis, 02600, Arau, Perlis, Malaysia
- Micro System Technology, Centre of Excellence (CoE), Universiti Malaysia Perlis (UniMAP), Pauh Campus, 02600, Arau, Perlis, Malaysia
| | - C.O. Edet
- Faculty of Electronic Engineering and Technology, Universiti Malaysia Perlis, 02600, Arau, Perlis, Malaysia
- Institute of Engineering Mathematics, Universiti Malaysia Perlis, 02600, Arau, Perlis, Malaysia
- Department of Physics, Cross River University of Technology, Calabar, Nigeria
| | - A.A. Adewale
- Department of Pure and Applied Physics, Ladoke Akintola University of Technology, Ogbomoso, Nigeria
| | - Abdullah Chik
- Centre for Frontier Materials Research, Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
- Faculty of Chemical Engineering and Technology, Universiti Malaysia Perlis (UniMAP), Taman Muhibbah, Jejawi, 02600, Arau, Perlis, Malaysia
| | - Mohammed Mohammed
- Faculty of Chemical Engineering and Technology, Universiti Malaysia Perlis (UniMAP), Taman Muhibbah, Jejawi, 02600, Arau, Perlis, Malaysia
- Center of Excellence Geopolymer & Green Technology (CEGeoGTech), Universiti Malaysia Perlis, 02600, Arau, Perlis, Malaysia
| | - Subash C.B. Gopinath
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
- Micro System Technology, Centre of Excellence (CoE), Universiti Malaysia Perlis (UniMAP), Pauh Campus, 02600, Arau, Perlis, Malaysia
- Faculty of Chemical Engineering and Technology, Universiti Malaysia Perlis (UniMAP), Taman Muhibbah, Jejawi, 02600, Arau, Perlis, Malaysia
| | - U. Hashim
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis, 01000, Kangar, Perlis, Malaysia
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Nath U, Sarma M. Pyridinic Dominance N-Doped Graphene: A Potential Material for SO 2 Gas Detection. J Phys Chem A 2023; 127:1112-1123. [PMID: 36716442 DOI: 10.1021/acs.jpca.2c06154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The sensors based on graphene have shown great promise in the detection of toxic air pollutants that are detrimental to nature and create risks to human health. Many recent experimental and computational efforts have been dedicated to sensor concepts incorporating pure graphene, graphene oxide, and doped graphene. Herein, a combination of spin-polarized density functional theory (DFT) with van der Waals correction and ab initio molecular dynamics (AIMD) approaches are utilized to assess the gas sensing potential of pyridinic dominance N-doped graphene (PNG) toward SO2 detection. The potential of PNG systems as SO2 sensing can be explored through an in-depth analysis of adsorption energies, electronic parameters, charge transfer, selectivity, and thermal stability. It is further demonstrated that external strains and the modulation of external electric fields are two effective ways to modify the adsorption strength. In light of these findings, our studies suggest that PNG monolayers have the potential to be an essential substrate for the detection of SO2.
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Affiliation(s)
- Upasana Nath
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Manabendra Sarma
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India
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Zhu J, Cao J, Cai G, Zhang J, Zhang W, Xie S, Wang J, Jin H, Xu J, Kong X, Jin S, Li Z, Ji H. Non-trivial Contribution of Carbon Hybridization in Carbon-based Substrates to Electrocatalytic Activities in Li-S Batteries. Angew Chem Int Ed Engl 2023; 62:e202214351. [PMID: 36416106 DOI: 10.1002/anie.202214351] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 11/24/2022]
Abstract
Appling an electrochemical catalyst is an efficient strategy for inhibiting the shuttle effect and enhancing the S utilization of Li-S batteries. Carbon-based materials are the most common conductive agents and catalyst supports used in Li-S batteries, but the correlation between the diversity of hybridizations and sulfur reduction reaction (SRR) catalytic activity remains unclear. Here, by establishing two forms of carbon models, i.e., graphitic carbon (GC) and amorphous carbon (AC), we observe that the nitrogen atom doped in the GC possesses a higher local charge density and a lower Gibbs free energy towards the formation of polysulfides than in the AC. And the GC-based electrode consistently inherits considerably enhanced SRR kinetics and superior cycling stability and rate capability in Li-S batteries. Therefore, the function of carbon in Li-S batteries is not only limited as conductive support but also plays an unignorable contribution to the electrocatalytic activities of SRR.
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Affiliation(s)
- Jiawen Zhu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Jiaqi Cao
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Guolei Cai
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Jing Zhang
- Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Shuai Xie
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Jinxi Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Hongchang Jin
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Junjie Xu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Xianghua Kong
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Song Jin
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Zhenyu Li
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Hengxing Ji
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
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Yutomo EB, Noor FA, Winata T. Effect of Ni atomic fraction on active species of graphene growth on Cu–Ni alloy catalysts: a density functional theory study. Phys Chem Chem Phys 2023; 25:708-723. [DOI: 10.1039/d2cp04621k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The CH and C monomers on the surface are the active species on Cu–Ni catalysts with low Ni atomic fractions. In contrast, the C monomer species on the subsurface acts as an active species on a Cu–Ni catalyst with a high Ni atomic fraction.
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Affiliation(s)
- Erik Bhekti Yutomo
- Physics of Electronic Materials Research Division, Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, 40132, Indonesia
| | - Fatimah Arofiati Noor
- Physics of Electronic Materials Research Division, Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, 40132, Indonesia
| | - Toto Winata
- Physics of Electronic Materials Research Division, Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, 40132, Indonesia
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Influence of Chemical Activation Temperatures on Nitrogen-Doped Carbon Material Structure, Pore Size Distribution and Oxygen Reduction Reaction Activity. Catalysts 2021. [DOI: 10.3390/catal11121460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The goal of this research was to synthesize activated nitrogen-doped nanocarbons with high specific surface area and adjustable pore size distribution using wood charcoal as a raw material. The resulting carbon materials were tested for possible application as oxygen reduction reaction catalysts in alkaline media. Activated carbons were obtained using a thermochemical activation method with NaOH. Nitrogen was introduced into activated carbons using dicyandiamide solution. It was demonstrated that the content of introduced nitrogen depends on oxygen content in the structure of the activated carbon. The oxygen reduction reaction activity of the activated and nitrogen-doped carbon material was comparable with a commercial 20% Pt/C catalyst. Electrocatalytic properties of the synthesized N-doped wood-derived carbon catalysts may be associated with the highly developed surface area, specific ratio of micro- and mesopores, as well as the high percentage of pyridinic nitrogen.
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Permatasari FA, Nakul F, Mayangsari TR, Aimon AH, Nuryadin BW, Bisri SZ, Ogi T, Iskandar F. Solid-state nitrogen-doped carbon nanoparticles with tunable emission prepared by a microwave-assisted method. RSC Adv 2021; 11:39917-39923. [PMID: 35494130 PMCID: PMC9044554 DOI: 10.1039/d1ra07290k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 01/19/2022] [Accepted: 11/23/2021] [Indexed: 11/25/2022] Open
Abstract
Tunable emissive solid-state carbon nanoparticles (CNPs) have been successfully synthesized by a facile synthesis through microwave irradiation. Modulating microwave interaction with the sample to generate abrupt localized heating is a long-term challenge to tailor the photoluminescence properties of CNPs. This study systematically revealed that the sample temperature through microwave irradiation plays a crucial role in controlling the photoluminescence properties over other reaction conditions, such as irradiation time and microwave duty cycle. When the sample temperature reached 155 °C in less than three minutes, the CNP sample exhibited a green-yellowish emission with the highest quantum yield (QY) of 14.6%. Time-dependent density functional theory (TD-DFT) study revealed that the tunable photoluminescence properties of the CNPs can possibly be ascribed to their nitrogen concentrations, which were dictated by the sample temperature during irradiation. This study opens up a promising route for the well-controlled synthesis of luminescent CNPs through microwave irradiation. Tunable emissive solid-state carbon nanoparticles (CNPs) have been successfully synthesized by a facile synthesis through microwave irradiation.![]()
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Affiliation(s)
- Fitri Aulia Permatasari
- Department of Electrical Engineering, Politeknik Negeri Batam, Jalan Ahmad Yani, Batam, Riau 29461, Indonesia
| | - Fitriyanti Nakul
- Department of Electrical Engineering, Politeknik Negeri Batam, Batam, Indonesia
| | | | - Akfiny Hasdi Aimon
- Department of Electrical Engineering, Politeknik Negeri Batam, Jalan Ahmad Yani, Batam, Riau 29461, Indonesia
| | - Bebeh Wahid Nuryadin
- Department of Physics, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung, Jl. A. H. Nasution 105, Bandung, Indonesia 40614
| | | | - Takashi Ogi
- Chemical Engineering Program, Department of Advanced Science and Engineering, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan
| | - Ferry Iskandar
- Department of Electrical Engineering, Politeknik Negeri Batam, Jalan Ahmad Yani, Batam, Riau 29461, Indonesia
- Research Center for Nanoscience and Nanotechnology, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung, Indonesia 40132
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