Results 101 to 110 of about 20,910 (257)

Flexible decapyrrylcorannulene hosts

open access: yesNature Communications, 2019
The structures of fullerenes, or buckyballs, are often very difficult to resolve. Here, the authors describe a decapyrrylcorannulene host with ten flexible pyrryl groups that can efficiently co-crystallize with diverse fullerene derivatives in a ‘hand ...
Yun-Yan Xu   +13 more
doaj   +1 more source

Higher Fullerenes: Structure and Properties

open access: yes, 1994
The structures of higher fullerenes are described based on 13C NMR measurements of isolated and purified samples. The most interesting aspect deduced from the present structural work on the higher fullerenes up to C90 is that among 19 kinds of fullerenes
Koichi Kikuchi   +5 more
core   +1 more source

Organic Photoelectrochemical Cells Beyond Performance: Interface and Catalyst Engineering for Durability

open access: yesAdvanced Energy Materials, EarlyView.
Organic photoelectrochemical cells based on π‐conjugated semiconductors offer a versatile platform for solar fuel generation. This review outlines operating principles, device architectures, and key metrics, and highlights advances in p‐ and n‐type photoelectrodes, interfacial engineering, and catalyst integration.
Jaehyeong Kim   +8 more
wiley   +1 more source

Redirecting Excited‐State Proton Transfer Through Supramolecular Polymerization in Nanoconfinement

open access: yesAngewandte Chemie, EarlyView.
Supramolecular confinement redirects the excited‐state proton transfer pathway of an amphoteric emitter. In water, the molecule undergoes ESPD, whereas co‐assembly with γ‐cyclodextrin forms nanotubes that template slip‐stacked emitter pairs and enable ESIMPT. Structural and photophysical characterization of the assemblies shows that the preorganization
Luis C. Pantaleone   +8 more
wiley   +2 more sources

Mapping structure-property relationships in fullerene systems: a computational study from C20 to C60

open access: yesnpj Computational Materials
Fullerenes, as characteristic carbon nanomaterials, offer significant potential for diverse applications due to their structural diversity and tunable properties. Numerous isomers can exist for a specific fullerene size, yet a comprehensive understanding
Bin Liu, Jirui Jin, Mingjie Liu
doaj   +1 more source

Raman Spectroscopy of Fullerenes: From C60 to Functionalized Derivatives

open access: yesMolecules
Fullerenes, a unique allotrope of carbon, have captured significant attention in multiple scientific fields. As a non-destructive characterization technique, Raman spectroscopy has proven indispensable for investigating fullerenes and their derivatives ...
Yifan Qin   +5 more
doaj   +1 more source

LDF calculations on large fullerenes and onions

open access: yes, 1997
Local density functional total energy calculations have been performed on a series of I-h and non-l(h) fullerenes up to the C-840 onion (C-60@C-240@C-540) with a large basis. The ground states of C-300 and C-840 onions as well as their constituent single
Jungnickel, G   +7 more
core  

Enhanced Performance of Optoelectronic Devices Using Metal Chalcogenide Complex Ligands‐Capped InAs/ZnSe Quantum Dots as Electron Transport Layers

open access: yesAdvanced Energy Materials, EarlyView.
Thin‐shell InAs/ZnSe quantum dots functionalized with metal chalcogenide ligands were employed as electron transport layers in organic optoelectronic devices, yielding optimized conduction band alignment and film morphology. Consequently, the devices achieved enhanced charge transport, a detectivity of ∼1013 Jones, and a power conversion efficiency of ...
Yonghoon Choi   +8 more
wiley   +1 more source

Applications of Functionalized Fullerenes in Tumor Theranostics

open access: yesTheranostics, 2012
Functionalized fullerenes with specific physicochemical properties have been developed for cancer diagnosis and therapy. Notably, metallofullerene is a new class of magnetic resonance imaging (MRI) contrast-enhancing agent, and may have promising ...
Zhiyun Chen, Lijing Ma, Ying Liu, Chunying Chen
doaj  

A Kinetic–Energetic Bottleneck of Charge‐Transfer Injection Governs Energy Loss in Organic Solar Cells

open access: yesAdvanced Energy Materials, EarlyView.
Kinetic–energetic projection of time‐resolved photoluminescence reveals that charge‐transfer injection acts as a universal bottleneck in organic solar cells. A physics‐constrained Bayesian framework identifies an emergent effective CT injection rate governing the trade‐off between charge generation and nonradiative energy loss.
Rong Wang   +16 more
wiley   +1 more source

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