
Characterization of the fullerene derivative [60]PCBM, by high …
2021年3月1日 · In this paper we present high resolution 13 C and 2D NMR spectra of the archetypal organic-electronics acceptor material [60]PCBM. Resonances from every carbon atom of the butyric acid methyl ester group, the phenyl group and the fullerene were identified in the 13 C spectrum via chemical shift and reliable integration analysis.
Conformational Analysis of [60]PCBM via Second-Order Proton NMR …
2020年6月18日 · The 1 H NMR spectrum of phenyl C 61 butyric acid methyl ester ( [60]PCBM) was recorded at high resolution (600 MHz). All of the 1 H resonances expected of the Cs -symmetric molecule were observed. The spin–spin couplings in the 1 H NMR spectrum were not as expected at first order.
Tuning the electronic band structure of PCBM by electron
2011年10月4日 · To investigate the origin of the change in the band structure of electron-irradiated PCBM, the molecular structure of electron-irradiated PCBM was characterized by 1 H nuclear magnetic resonance (NMR), Fourier transform infrared (FTIR), and Raman spectroscopy.
Supramolecular interaction of PCBM with porphyrins in solution ...
2024年1月15日 · The intermolecular interaction of PCBM with the free-base (1) and zinc porphyrin (2) is studied employing different types of spectroscopic techniques like UV–Vis, fluorescence, proton NMR, laser flash photolysis and fluorescence microscope techniques.
Enantioselective fullerene functionalization through …
2022年12月22日 · In contrast to the C3 symmetry reflected in the 1 H NMR spectra of C 60 · 2, the PCBM· 2 adduct displayed complete desymmetrization, with all protons in magnetically distinct environments ...
P3HT/PCBM Photoactive Materials for Solar Cells: Morphology …
2012年12月13日 · P3HT/PCBM blends before and after annealing at 150 °C, as well as the corresponding neat materials have been deeply investigated by means of a multinuclear and multitechnique solid-state NMR approa...
[6,6]-苯基-C61-丁酸甲酯(PCBM)纳米结构形态的XRD、DSC和固态NMR …
PCBM或 [6,6]-苯基-C61-丁酸甲酯如今仍然是塑料本体异质结(BHJ)光伏器件最成功的电子受体之一。 在这项研究中,提出了一套互补的技术,即固态 NMR、XRD 和 DSC,作为一种快速而灵敏的工具来筛选具有不同制备历史的 PCBM 样品的形态。
Characterization of the fullerene derivative [60]PCBM, by high …
High-resolution (600 MHz) 1 H and 13 C chemical shift and 2D HETCOR NMR spectra of [60]PCBM were recorded. Resonances from every carbon atom of the ester, phenyl and cyclo-fullerenyl groups,...
Conformational Analysis of [60]PCBM via 2 nd -Order Proton NMR …
2020年6月18日 · The 1H NMR spectrum of phenyl C61 butyric acid methyl ester ( [60]PCBM) was recorded at high resolution (600 MHz). All of the 1H resonances expected of the C s -symmetric molecule were observed.
Influence of octanedithiol on the nanomorphology of PCPDTBT:PCBM …
2012年1月1日 · The influence of octanedithiol (ODT) on the film morphology of PCPDTBT:PCBM (1:2) blends processed from solutions in chlorobenzene was studied by chemical shift selective carbon-13 solid-state NMR relaxation experiments.