163,339 dokumen ditemukan (Menampilkan 1-20 | Halaman 1 dari 8167)
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# Judul Penulis Tahun Akses
Repositori Institusi

e-Modul Kimia: perkembangan teori atom

Direktorat Pembinaan Sekolah Menengah Atas, 2019cc_by_nc_4
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

Kementerian Pendidikan dan Kebudayaan Direktorat Jenderal Pendidikan Dasar, 2014
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
Universitas Gadjah Mada, 2015DOI: 10.22146/ijc.21188http://creativecommons.org/licenses/by-nc-nd/4.0
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
Universitas Gadjah Mada, 2018DOI: 10.22146/ijc.21183http://creativecommons.org/licenses/by-nc-nd/4.0
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
Universitas Gadjah Mada, 2018DOI: 10.22146/ijc.21139http://creativecommons.org/licenses/by-nc-nd/4.0
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
Nature Publishing Group, 2023DOI: 10.1038/s41467-023-43122-4https://creativecommons.org/licenses/by/4.0/
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)
Multidisciplinary Digital Publishing Institute (MDPI), 2018DOI: 10.3390/nano8100775http://creativecommons.org/licenses/by/4.0/
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
National Academy of Sciences, 2019DOI: 10.1073/pnas.1817470116https://creativecommons.org/licenses/by-nc-nd/4.0/
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)
Multidisciplinary Digital Publishing Institute (MDPI), 2025DOI: 10.3390/membranes15070194https://creativecommons.org/licenses/by/4.0/
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
2026DOI: 10.1002/anie.202521773https://creativecommons.org/licenses/by/4.0/
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
PLOS, 2019DOI: 10.1371/journal.pone.0202713https://creativecommons.org/licenses/by/4.0/
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)
Multidisciplinary Digital Publishing Institute (MDPI), 2023DOI: 10.3390/bioengineering10101223https://creativecommons.org/licenses/by/4.0/
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)
Multidisciplinary Digital Publishing Institute (MDPI), 2019DOI: 10.3390/polym11020203http://creativecommons.org/licenses/by/4.0/
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
Beilstein-Institut, 2022DOI: 10.3762/bjnano.13.36https://creativecommons.org/licenses/by/4.0/
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
American Chemical Society, 2024DOI: 10.1021/acsomega.4c01522https://creativecommons.org/licenses/by/4.0/
[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
American Chemical Society, 2023DOI: 10.1021/acsomega.3c06587https://creativecommons.org/licenses/by-nc-nd/4.0/
[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
2025DOI: 10.1021/jacs.5c01336https://creativecommons.org/licenses/by/4.0/
[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
2024DOI: 10.1021/jacs.4c04325https://creativecommons.org/licenses/by/4.0/
[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
Royal Society of Chemistry, 2025DOI: 10.1039/d5ra03667dhttps://creativecommons.org/licenses/by-nc/3.0/
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)
Multidisciplinary Digital Publishing Institute (MDPI), 2025DOI: 10.3390/membranes16010008https://creativecommons.org/licenses/by/4.0/
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...