Interaction and charge transfer between isolated thylakoids and multi-walled carbon nanotubes
文献信息
Herlina Arianita Dewi, Lianxi Zheng, Sierin Lim
Charge separation in photosynthetic light reactions has gained much interest in an attempt to fabricate biological photovoltaic devices through integration of photosynthetic material and conducting electrodes. Direct interaction between thylakoids, as representatives of photosynthetic materials, and multi-walled carbon nanotubes (MWCNTs) is expected to increase charge transfer. Thylakoids are isolated from spinach leaf chloroplasts and pristine MWCNTs are dispersed in Triton X-100 (TX-100) as a surfactant to retain their electronic properties through non-covalent interactions. The Raman and UV-Vis spectra suggest close interactions between the thylakoids and the MWCNTs. Stable thylakoids including the embedded protein subunits and light harvesting antennas can be detected from the non-shifted 680 nm absorbance peak. The 50% fluorescence quenching in the MWCNTs-thylakoids preparation as compared to thylakoids alone using single wavelength excitation suggests charge transfer between the thylakoids and the MWCNTs.
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.













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