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Repositori Institusi
e-Modul Kimia: perkembangan teori atom
Pembahasan tentang nomormassa , nomor atom , isotop, isobar, dan isoton.Tahukah kalian apa saja partikel penyusun suatu atom ?Bagaimana cara membedakan karakteristik antar atom? Untuk apa kita mempelajari nomor atom dan nomormassa ? Apakah...
Repositori Institusi
Air mata dayang sumbi
Buku yang kini di tangan pembaca ini merupakan 15 karya terbaik dari ajang Lomba Menulis Cerita Remaja (LMCR) tahun 2013 berdasarkan hasil penilaian objektif para dewan juri.
Jurnal Institusi
Synthesis and Characterization of Chitosan/Phosphotungstic Acid-Montmorillonite Modified by Silane for DMFC Membrane
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 218-225
Montmorillonite was functionalized by (3-glycidyloxypropyl) trimethoxy silane (GPTMS). Subsequently, chitosan (CS) membranes filled by GPTMS-modified montmorillonite particles were prepared and characterized by FTIR. The result of FTIR obtained the p...
Jurnal Institusi
Immobilization of Glucose Oxidase on Modified-Carbon-Paste-Electrodes for Microfuel Cell
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 92-97
Glucose oxidase (GOx) is being developed for many applications such as an implantable fuel cell, due to its attractive property of operating under physiological conditions. This study reports the functional immobilization of glucose oxidase onto poly...
Jurnal Institusi
Synthesis, Characterization and Crystal Structures of Mixed-Ligand Complexes of [Cu(bipy)2N3(ClO4)] and [Cu(5,5’-DiMebipy)2(N3)](ClO4)
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 249-259
Two mixed –ligand complexes [Cu(bipy)2N3(ClO4)] and [Cu(5,5’-DiMebipy)2(N3)](ClO4) have been prepared and characterized. The compounds were characterized by elemental analyses, IR and UV-Visible spectroscopy, room temperature magnetic susceptibil...
PubMed
High proton conductivity within the ‘Norby gap’ by stabilizing a perovskite with disordered intrinsic oxygen vacancies
Nat Commun
Proton conductors are attractive materials with a wide range of potential applications such as proton-conducting fuel cells (PCFCs). The conventional strategy to enhance the proton conductivity is acceptor doping into oxides without oxygen vacancies....
PubMed
Phosphoric Acid Doped Polybenzimidazole (PBI)/Zeolitic Imidazolate Framework Composite Membranes with Significantly Enhanced Proton Conductivity under Low Humidity Conditions
Nanomaterials (Basel)
The preparation and characterization of composite polybenzimidazole (PBI) membranes containing zeolitic imidazolate framework 8 (ZIF-8) and zeolitic imidazolate framework 67 (ZIF-67) is reported. The phosphoric acid doped composite membranes display ...
PubMed
Correlated interfacial water transport and proton conductivity in perfluorosulfonic acid membranes
Proc Natl Acad Sci U S A
Water must be effectively transported and is also essential for maximizing proton conductivity within fuel-cell proton-exchange membranes (PEMs). Therefore, identifying relationships between PEM properties, water transport, and proton conductivity is...
PubMed
Simultaneously Promoting Proton Conductivity and Mechanical Stability of SPEEK Membrane by Incorporating Porous g–C(3)N(4)
Membranes (Basel)
Proton exchange membranes are widely used in environmentally friendly applications such as fuel cells and electrochemical hydrogen compression. In these applications, an ideal proton exchange membrane should have both excellent proton conductivity an...
PubMed
Superprotonic Conduction in Donor Co‐Doped Perovskites
Angew Chem Int Ed Engl
Donor doping of oxygen‐deficient BaScO(2.5) is an unexplored strategy for achieving high proton conductivity at intermediate temperatures of 200−400 °C. In this work, a new series of BaSc(1−) (x) (−) (y) Mo (x) W (y) O(3−) (δ) compounds ...
PubMed
Proton conductivity of glycosaminoglycans
PLoS One
Proton conductivity is important in many natural phenomena including oxidative phosphorylation in mitochondria and archaea, uncoupling membrane potentials by the antibiotic Gramicidin, and proton actuated bioluminescence in dinoflagellate. In all of ...
PubMed
Proton Conduction in Gly-X (X = Ser, Ser-Gly-Ser) and GS50
Bioengineering (Basel)
In recent years, the use of biomaterials has been required from the viewpoint of biocompatibility of electronic devices. In this study, the proton conductivity of Glycyl-L-serine (Gly-Ser) was investigated to clarify the relationship between hydratio...
PubMed
Enhanced Proton Conductivity in Sulfonated Poly(ether ether ketone) Membranes by Incorporating Sodium Dodecyl Benzene Sulfonate
Polymers (Basel)
It is of great importance to improve the proton conductivity of proton exchange membranes by easy-handling and cost-efficient approaches. In this work, we incorporated a commercially obtained surfactant, sodium dodecyl benzene sulfonate (SDBS), into ...
PubMed
The role of sulfonate groups and hydrogen bonding in the proton conductivity of two coordination networks
Beilstein J Nanotechnol
The proton conductivity of two coordination networks, [Mg(H(2)O)(2)(H(3)L)]·H(2)O and [Pb(2)(HL)]·H(2)O (H(5)L = (H(2)O(3)PCH(2))(2)-NCH(2)-C(6)H(4)-SO(3)H), is investigated by AC impedance spectroscopy. Both materials contain the same phosphonato-...
PubMed
Designing Advanced Cross-Linked Proton Exchange Membranes with Enhanced Structural Homogeneity and Proton Conductivity via Radiation-Induced RAFT Polymerization
ACS Omega
[Image: see text] This study introduces an innovative approach to fabricate well-defined cross-linked proton exchange membranes (PEMs) using radiation-induced reversible addition–fragmentation chain transfer (RAFT)-mediated polymerization on cost-e...
PubMed
Ternary Triazole-Based Organic–Inorganic Proton-Conducting Hybrids Based on Computational Models for HT-PEMFC Application
ACS Omega
[Image: see text] We reported a new ternary hybrid anhydrous proton-conducting material based on triazole (Tz), wherein it interacted with TiO(2) and cesium hydrogen sulfate (CHS) constructed based on the acid–base interaction. It exhibited high pr...
PubMed
Nonmetal Organic Frameworks Exhibit High Proton Conductivity
J Am Chem Soc
[Image: see text] Porous materials, such as metal–organic frameworks (MOFs) and porous organic salts, are promising materials for proton conduction. Recently, we developed a new subclass of porous materials, isoreticular nonmetal organic frameworks...
PubMed
High Proton Conduction in the Octahedral Layers of Fully Hydrated Hexagonal Perovskite-Related Oxides
J Am Chem Soc
[Image: see text] Proton conductors have potential applications such as fuel cells, electrolysis cells, and sensors. These applications require new materials with high proton conductivity and high chemical stability at intermediate temperatures. Here...
PubMed
Development of Cu-MOF@PVDF–PS hybrid membranes for high-temperature proton exchange membranes: electrospinning, characterization, and fuel cell performance
RSC Adv
Nafion membranes, while widely used in fuel cells, suffer from high cost, limited methanol resistance, and thermal instability. This study addresses these limitations by developing a Cu-MOF@PVDF–PS nanofiber membrane with enhanced proton conductivi...
PubMed
Proton-Blocking Anion-Exchange Membranes for Efficient Lithium Hydroxide Recovery by Bipolar Membrane Electrodialysis
Membranes (Basel)
In bipolar membrane electrodialysis (BPED), proton transport through the anion-exchange membrane (AEM) is a major factor that reduces overall process efficiency. In this study, we propose a composite AEM incorporating a proton-blocking layer that com...
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