Results 111 to 120 of about 79,822 (299)

From Materials to Systems: Challenges and Solutions for Fast‐Charge/Discharge Na‐Ion Batteries

open access: yesAdvanced Energy Materials, EarlyView.
This review systematically analyzes the key characteristics limiting the fast‐charge/discharge capability of Na‐ion batteries (SIBs) from a multi‐scale perspective encompassing electrode materials, the electrode‐electrolyte interface, and the system. Furthermore, it presents practical solution strategies for the fundamental issues arising at each scale,
Bonyoung Ku   +5 more
wiley   +1 more source

Anticancer Activity of Two Novel Hydroxylated Biphenyl Compounds toward Malignant Melanoma Cells. [PDF]

open access: yesInt J Mol Sci, 2021
Pisano M   +5 more
europepmc   +1 more source

Carbons produced from known organic compounds 2. Anthracene-biphenyl and phenanthrene- biphenyl systems [PDF]

open access: yes
Carbonization of binary mixtures of anthracene biphenyl and penanthrene ...
Walker, P. L., Jr., Weintraub, A.
core   +1 more source

Synthesis and optoelectronic properties of new ethynylated pyrazine derivatives [PDF]

open access: yes, 2003
Several diaryleneethynylpyrazine derivatives, in which the pyrazine unit is electron-deficient, have been synthesised using Sonogashira palladium-catalysed cross-coupling reactions.
Zhao, Liang
core  

Protosappanin A, a novel biphenyl compound from Sappan Lignum.

open access: yesChemical and Pharmaceutical Bulletin, 1986
Protosappanin A (I), C15H12O5, mp 250-251°C, was isolated from the heart-wood of Caesalpinia sappan L. (appan Lignum). It yielded a triacetate (II) on acetylation, and an alcohol (III) on reduction with sodium borohybride. On alkali fusion, I afforded sappanin (IV) along with small amounts of catechol and resorcinol.
MASAHIRO NAGAI   +4 more
openaire   +2 more sources

Peripherally Fluorinated Tetraphenylethene: New Electron Extraction Interlayers for n‐i‐p Perovskite Solar Cells

open access: yesAdvanced Energy Materials, EarlyView.
Fluorinated tetraphenylethene (TPE) derivatives were developed as interfacial layers for perovskite solar cells. The optimized TFP‐TPE enhances interfacial compatibility, suppresses molecular aggregation, and improves charge extraction. Devices incorporating TFP‐TPE achieved a record efficiency of 25.29% and outstanding stability under humidity and ...
Xiao‐Xin Gao   +13 more
wiley   +1 more source

Identification of Trace Organic Components in the CR Chondrites by 4D TOFMS [PDF]

open access: yes, 2007
This paper reports preliminary results of a 4D TOFMS study of CR chondrite organic material, highlighting the low-level organic species that may further reveal the complexity of parent body modification of interstellar ...
Gilmour, I.   +4 more
core  

Recent advances in photocatalytic hydrogen peroxide production

open access: yesPhotoMat, EarlyView., 2023
We classify the representative photocatalytic materials for photosynthesis of hydrogen peroxide (H2O2) in recent years and discuss the related modification methods in detail, providing inspiration and insights for the future design of photocatalysts for H2O2 production.
Jinyu Yan   +4 more
wiley   +1 more source

Cholesteric Liquid Crystalline Copolymers for Gas Chromatographic Separation of Polycyclic Aromatic Compounds

open access: yesAdvances in Materials Science and Engineering, 2012
A novel series of side-chain liquid crystalline copolysiloxanes containing [S]-1-(2-naphthyl) ethyl 6-[4-(10-undecen-1-yloxy) biphenyl--carbonyloxy]-2-naphthoate mesogenic and 4-biphenyl -allyloxybenzoate mesogenic side groups in the backbone and side ...
Chih-Hung Lin
doaj   +1 more source

Metal phthalocyanine intermediates for the preparation of polymers [PDF]

open access: yes, 1985
Metal 4, 4', 4"",-tetracarboxylic phthalocyanines (MPTC) are prepared by reaction of trimellitic anhydride, a salt or hydroxide of the desired metal (or the metal in powdered form), urea and a catalyst.
Achar, B. N.   +2 more
core   +1 more source

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