Article
Chemistry, Multidisciplinary
Sumit Singha, Mihir Manna, Priya Das, Sabyasachi Pramanik, Satyapriya Bhandari
Summary: In this study, a surfactant-modified quantum dot-complex exhibited enhanced FRET efficiency compared to the quantum dot alone, making it suitable for detecting organic dyes in food. The research is significant in unraveling the chemistry between surfactants, inorganic complexes, and quantum dots, and has potential for developing new optical materials.
CHEMICAL COMMUNICATIONS
(2023)
Article
Materials Science, Multidisciplinary
Chaochao Qin, Jie Li, Jian Song, Shuhong Ma, Jicai Zhang, Guangrui Jia, Zhaoyong Jiao, Zunlue Zhu, Yuhai Jiang, Zhongpo Zhou
Summary: This study investigates the effect of donor sizes on energy transfer from perovskite nanocrystals to chromophore molecules. Both single energy transfer and triplet transfer mechanisms have been observed between CsPbBr3 quantum dots and Rhodamine B dye. The ability to adjust optical properties via particle-size controlling provides a unique platform for perovskite-chromophore hybrid systems.
RESULTS IN PHYSICS
(2023)
Article
Chemistry, Multidisciplinary
Jakob B. Bilger, Christoph Kerzig, Christopher B. Larsen, Oliver S. Wenger
Summary: A new homoleptic Mo(0) complex with a unique diisocyanide ligand was developed, exhibiting deep red emission and high upconversion quantum yield. This complex serves as a potent irradiation source and has potential applications in red-light-driven photocatalysis and light-harvesting.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Chemistry, Multidisciplinary
Tingting Han, Yue Cao, Jia Wang, Jianmin Jiao, You Song, Leyong Wang, Cheng Ma, Hong-Yuan Chen, Jun-Jie Zhu
Summary: This study reports the crystallization-induced enhanced electrochemiluminescence (CIE-ECL) of tris(bipyridine)ruthenium(II) derivatives (Ru-TPE) by decorating classic tris(bipyridine)ruthenium(II) complex (Ru-bpy) with aggregation-induced emission active tetraphenylethene (TPE). The ECL efficiency of Ru-TPE crystals is 20 times higher than that of its solution and 3 times higher than that of Ru-bpy crystals. This work provides a new design strategy for achieving high efficiency in solid-state ECL imaging and devices.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Multidisciplinary Sciences
Shiun-Jr Yang, Eric A. Arsenault, Kaydren Orcutt, Masakazu Iwai, Yusuke Yoneda, Graham R. Fleming
Summary: This study used 2DEV spectroscopy to analyze the spinach PSII-CC, revealing details about its dynamics and energy transfer. The study found that the dominant dynamics of the PSII-CC vary in different excitation energy regions. By separating these regions and identifying the roles of key pigments, a better understanding of the working mechanism of photosystem II can be obtained.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Biochemical Research Methods
Gabriella Buscemi, Massimo Trotta, Danilo Vona, Gianluca M. Farinola, Francesco Milano, Roberta Ragni
Summary: A supramolecular construct for solar energy conversion is developed by chemically bridging the reaction center (RC) from Rhodobacter sphaeroides and cytochrome c (Cyt c) proteins with a tailored organic light harvesting antenna (hCy2). The RC-hCy2-Cyt c biohybrid mimics the working mechanism of biological assemblies in bacterial cell membrane to convert sunlight into metabolic energy. The biohybrid shows significantly enhanced photoactivity and photocurrent compared to the pristine RC and equimolar mixture of unbound proteins, respectively. These results provide interesting insights into photoenzyme chemical manipulation and pave the way for new eco-sustainable systems in biophotovoltaics.
BIOCONJUGATE CHEMISTRY
(2023)
Article
Chemistry, Inorganic & Nuclear
Daniel A. W. Ross, Joseph Mapley, Andrew P. Cording, Roan A. S. Vasdev, C. John McAdam, Keith C. Gordon, James D. Crowley
Summary: A bulky 6,6'-diTPAbpy ligand was synthesized and used to form homoleptic complexes with Cu(I) and Ag(I) ions, as well as interact with 6-coordinate metal ions. The steric bulk of the ligand affected the coordination geometry and photophysical properties of the complexes, showing changes in absorption and emission properties.
INORGANIC CHEMISTRY
(2021)
Article
Chemistry, Physical
Catherine Gazolla Santana, Michael J. Krische
Summary: Catalytic carbonyl reductive couplings facilitated by hydrogenation, transfer hydrogenation, and hydrogen autotransfer allow unsaturated hydrocarbons to substitute organometallic reagents for C-C bond formation without the need for stoichiometric metals, addressing issues of safety and challenges in large-scale implementation.
Article
Chemistry, Physical
Gustavo Mondragon-Solorzano, Jacinto Sandoval-Lira, Jorge Nochebuena, G. Andres Cisneros, Joaquin Barroso-Flores
Summary: Various photosynthetic organisms have evolved to adapt to different lighting conditions on Earth by absorbing light of different wavelengths. Blastochloris viridis is capable of remarkably red-shifted absorption at 1015 nm, lower in energy than its main constituent pigment BChl-b. The red-shifting phenomenon is primarily attributed to the conformation and exciton delocalization of bacteriochlorin rings, while H-bonding pigment-protein interactions play a role in conformational stabilization and orientation.
JOURNAL OF CHEMICAL THEORY AND COMPUTATION
(2022)
Article
Chemistry, Applied
Awad Said, Nikolai Georgiev, Vladimir B. Bojinov
Summary: A novel trichromophoric molecular chemosensor was designed and synthesized for pH detection. It exhibited colorimetric and fluorometric responses to lower and high pH values, with different colors and fluorescence emissions. In addition, it mimicked a digital comparator by executing three INHIBIT logic gates using chemical inputs.
Article
Plant Sciences
Ivana Simova, Valentyna Kuznetsova, Alastair T. Gardiner, Vaclav Sebelik, Michal Koblizek, Marcel Fuciman, Tomas Polivka
Summary: This study investigates the behavior of the LH2 complex from Rhodoblastus acidophilus after excitation of the Soret band using transient absorption data. The results suggest that there is no Soret-to-Car energy transfer pathway in the LH2 complex. In addition, a spectrally rich pattern observed during the rhodopin glucoside ground state bleaching is assigned to an electrochromic shift.
PHOTOSYNTHESIS RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Chaoyi Yao, Hongyu Lin, Brian Daly, Yikai Xu, Warispreet Singh, H. Q. Nimal Gunaratne, Wesley R. Browne, Steven E. J. Bell, Peter Nockemann, Meilan Huang, Paul Kavanagh, A. Prasanna de Silva
Summary: This article introduces a new method to control electron/proton transfers in water by capturing or releasing molecules. By using shape-switchable hosts and inclusive binding of metal complexes, reaction rates can be controlled and it has important applications in photocatalysis, electrocatalysis, and luminescent sensing.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Chemistry, Physical
Karim El-Naggar, Hesham S. Abdel-Samad, Ramadan M. Ramadan, Mohamed E. El-Khouly, Ayman A. Abdel-Shafi
Summary: The photophysical properties of synthesized heteroleptic polypyridyl ruthenium(II) complexes were investigated. The excited state lifetime and oxygen quenching rate constants were observed to be ligand dependent. Singlet oxygen quantum yield values were found to vary and the efficiency of producing excited singlet oxygen decreased with increasing partial charge transfer parameter.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2023)
Article
Chemistry, Physical
Viet-Hung Do, P. Prabhu, Yinghao Li, Wenjie Xie, Pinit Kidkhunthod, Guangzhao Wang, Xin Wang, Jong-Min Lee
Summary: Transition metal nitrides with atomically thin Os nanoclusters confined on 2D 6-MoN exhibit enhanced catalytic performance, particularly in hydrogen evolution, due to optimized surface electron configurations and abundant active sites.
Article
Chemistry, Inorganic & Nuclear
Zi-Yao Zhou, Chen-Yi Ge, Miao Jiang, Jin-Le Hou, Qin-Yu Zhu, Jie Dai
Summary: Redox active TTF and its derivatives have been used as electrode additives in batteries to improve energy efficiency and sustainability. This study synthesized three redox-active TTF compounds and investigated their structure-property relationships for energy transfer and storage applications. The 2D MOF structures of compounds 2 and 3 were found to be beneficial for good specific capacitance values.
DALTON TRANSACTIONS
(2021)
