Results 161 to 170 of about 155,987 (342)

Supramolecular Self-Assembled Nanostructures Derived from Amplified Structural Isomerism of Zn(II)−Sn(IV)−Zn(II) Porphyrin Triads and Their Visible Light Photocatalytic Degradation of Pollutants

Nanomaterials
Two structural isomeric porphyrin-based triads (Zn(II)porphyrin−Sn(IV)porphyrin−Zn(II)porphyrin) denoted as T1 and T2 were prepared from the reaction of meso-[5-(4-hydroxyphenyl)-10,15,20-tris(3,5-di-tert-butylphenyl)porphyrinato]zinc(II) (ZnL) with ...
Nirmal Kumar Shee, Hee-Joon Kim
doaj   +1 more source

Endogenous Near‐Infrared Chemiluminescence: Imaging‐Guided Non‐Invasive Thrombolysis and Anti‐Inflammation Based on a Heteronuclear Transition Metal Complex

Advanced Science, EarlyView.
Cu2Ir NPs based on a Cu‐porphyrin core and cyclometalated Ir(III) substituents achieve combined endogenous peroxynitrite‐triggered NIR chemiluminescence imaging, PTT and PDT for successfully achieving safe thrombolysis, antioxidant and anti‐inflammatory multifunctionality in one single molecule.
Ziwei Wang, Bo Zhu, Wenxin Nie, Liping Zhang, Nan Xiao, Qiaohua Zhang, Zihan Wu, Chunguang Shi, Weijin Zhu, Qianwen Liu, Dongxia Zhu, Martin R. Bryce, Lijie Ren, Ben Zhong Tang   +13 more
wiley   +1 more source

Molecular Orbital Study of the Porphyrins [PDF]

, 1957
Gilbert R. Seely
openalex   +1 more source

Color Change Effect in an Organic-Inorganic Hybrid Material Based on a Porphyrin Diacid [PDF]

arXiv, 2016
Porphyrinic materials show a range of interesting and useful optical and electrical properties. The less well-known sub-class of porphyrin diacids has been used in this work to construct an ionic hybrid organic-inorganic material in combination with a halogenidometalate anion.
arxiv  

Electronic structure of porphyrin-based metal– organic frameworks and their suitability for solar fuel production photocatalysis [PDF]

, 2015
Metal–organic frameworks (MOFs) can be exceptionally good catalytic materials thanks to the presence of active metal centres and a porous structure that is advantageous for molecular adsorption and confinement.
Aziz, Alex, Calero, Sofía, Cruz Hernández, Norge, Grau-Crespo, Ricardo, Hamad, Said, Ruíz-Salvador, Ángel Rabdel   +5 more
core  

Artificial photosynthetic reaction centers coupled to light-harvesting antennas

, 2010
We analyze a theoretical model for energy and electron transfer in an artificial photosynthetic system. The photosystem consists of a molecular triad (i.e., with a donor, a photosensitive unit, and an acceptor) coupled to four accessory light-harvesting ...
Ghosh, Pulak Kumar, Nori, Franco, Smirnov, Anatoly Yu.   +2 more
core   +1 more source

An Electrochemically‐Driven Reconstruction Strategy to Realize Highly Crystalline Covalent Organic Frameworks for Enhanced Hydrogen Evolution Reaction

Advanced Science, EarlyView.
An electrochemically‐driven reconstruction strategy is proposed to convert low‐crystalline imine‐linked polymers into highly crystalline, structurally ordered COFs with enhanced HER activity, which offers new insights into the structural modulation of COFs and facilitates the design of more advanced metal‐free electrocatalysts.
Yuxin Ren, Shuang Li, Meidi Wang, Xue‐Qian Wu, Ya‐Pan Wu, Bojing Sun, Jun Zhao, Fangyuan Kang, Qichun Zhang, Dong‐Sheng Li   +9 more
wiley   +1 more source

Mechanism For Copper(II)-Mediated Disaggregation Of A Porphyrin J-Aggregate [PDF]

, 2018
J-aggregates of anionic meso-tetrakis(4-sulfonatophenyl)porphyrin form at intermediate pH (2.3–3.1) in the presence of NiSO₄ or ZnSO₄ (ionic strength, I.S. = 3.2 M).
Castriciano, M. A., De Luca, G., Occhiuto, I. G., Pasternack, Robert F., Romeo, A., Scolaro, L. M., Trapani, M., Zagami, R.   +7 more
core   +1 more source

Surface Charge Transfer Enhanced Cobalt‐Phthalocyanine Crystals for Efficient CO2‐to‐CO Electroreduction with Large Current Density Exceeding 1000 mA cm−2

Advanced Science, EarlyView.
A spray‐growth method is developed to rapidly load cobalt‐phthalocyanine crystals onto carbon paper (CoPc/CP). The electrode maintains > 90% CO selectivity across potentials (−0.57–−1.32 V vs. RHE), achieving a record JCO (−1034 mA cm−2), ultra‐high mass activity (5180 A g−1), and excellent stability (145 h@−150mA cm−2), surpassing all reported Pc ...
Tengyi Liu, Di Zhang, Yutaro Hirai, Koju Ito, Kosuke Ishibashi, Naoto Todoroki, Yasutaka Matsuo, Junya Yoshida, Shimpei Ono, Hao Li, Hiroshi Yabu   +10 more
wiley   +1 more source

Derivatized porphyrins and multi-porphyrin assemblies

, 2018
Porphyrin-containing multi-component systems have served a key role in the study of molecular assembly and supramolecular chemistry. These systems, however, are often very difficult to prepare and new synthetic strategies towards their preparation are of great interest;This work describes a series of thiol-derivatized porphyrins and the corresponding ...
openaire   +3 more sources