The reinforced photothermal effect of conjugated dye/graphene
Emerging aerogel-based composite PCMs with high energy storage density are accepted as a cutting-edge thermal energy storage (TES) concept, enabling
Applied Sciences | Free Full-Text | Photoinduced
Thermally stimulated photoinduced reorientation of liquid crystalline (LC) polymethacrylate composed of a phenyl benzoate mesogen connected with N-benzylideneaniline (NBA2) end moiety exhibits a
Energy conversion and storage via photoinduced polarization
Energy conversion and storage via photoinduced polarization change in non-ferroelectric molecular [CoGa] crystals Pritam Sadhukhan, 1 Shu-Qi Wu, 1 Shinji Kanegawa, 1 Sheng-Qun Su, 1 Xiaopeng Zhang, 1 Takumi Nakanishi, 1 Jeremy Ian Long, 1 Kaige Gao, 2 Rintaro Shimada, 3 Hajime Okajima, 3 Akira Sakamoto, 3 Joy G. Chiappella, 4, 5
Researchers discover photo-induced charge-transfer complex
fluorescent complex resembling a Meisenheimer complex. The use of various spectroscopic techniques, including high-resolution mass spectrometry and time-resolved spectroscopy, confirmed the
Fluorescent metal nanoclusters: prospects for photoinduced electron transfer and energy
Research on noble metal nanoclusters (MNCs) (elements with filled electron d-bands) is progressing forward because of the extensive and extraordinary chemical, optical, and physical properties of these materials. Because of the ultrasmall size of the MNCs (typically within 1–3 nm), they can be applied in are
Fluorescence modulation via photoinduced spin crossover switched energy
The photoinduced spin crossover switched the energy transfer from the fluorophore to the Fe II ion, resulting in fluorescence modulation. The presented results provide a novel approach for developing optical memory and sensors via electron rearrangement of photoinduced spin crossover.
A GSH-Activatable Theranostic Prodrug Based on Photoinduced Electron Transfer for Cancer Fluorescence
Traditional chemotherapeutic drugs have limitations due to their non-targeted ability toward cancer cells. Stimuli-activatable prodrugs are designed to overcome these obstacles. However, the real-time monitoring of stimuli-activatable theranostic prodrugs still poses challenges. Herein, a prodrug (Fe–SS–HCy), consisting of a
Researchers discover photo-induced charge-transfer complex
1 · More information: Wenhuan Huang et al, Trapping highly reactive photoinduced charge-transfer complex between amine and imide by light, Chem (2024). DOI: 10.1016/j empr.2024.05.005 Provided by
Fluorescence Modulation via Photoinduced Spin Crossover Switched Energy
Molecular materials possessing phototunable fluorescence properties are attracting great interest owing to their potential applications in optical switches and storage. (a) Temperature-dependent
The nature of photoinduced intermolecular charger transfer in fluorescence resonance energy
In this paper, we report time resolved fluorescence resonance energy transfer (FRET) using femtosecond ultrafast transient absorption spectroscopy. The lifetimes of FRET are strongly dependent on the molecular concentration and ratio of donor and acceptor. Also, in the FRET, photoinduced intermolecu
Photoinduced electron transfer (PeT) based fluorescent probes
PeT-based fluorescent probes are powerful tools for cell imaging and disease diagnosis due to their low fluorescence background and significant fluorescence enhancement towards the target. This review provides research progress towards PeT-based fluorescent probes that target cell polarity, pH and biological species (reactive oxygen species,
Logical sensing with fluorescent molecular logic gates based on photoinduced
The binding of various analytes results in a vast outcome of fluorescent signatures due to the competing PET, ICT and Föster resonance energy transfer (FRET) processes. With the assistance of principle component analysis (PCA), various classes of medication were discriminated from the optical signature.
Molecules | Free Full-Text | Theoretical Investigation on the "ON-OFF" Mechanism of a Fluorescent Probe for Thiophenols: Photoinduced
To further explain the fluorescence quenching mechanism of the probe, the calculated energy diagrams involved in the excitation and emission processes are plotted. As indicated in Figure 4, at both of the FC point and LE-min, the S 1 and S 2 states of DAPH-DNP are in LE and CT states, respectively, and the energy gaps between these
Fluorescence modulation via photoinduced spin crossover switched energy
The photoinduced spin crossover of Fe II ions was accompanied by a 20% increase in the fluorescence emission intensity. A temperature-dependent spectroscopic study together with time-dependent density functional theory calculations revealed that the effective spectral overlap between the emission of the fluorophores and the absorption
The nature of photoinduced intermolecular charger transfer in
In this paper, we reveal the nature of fluorescence resonance energy transfer and photoinduced intermolecular charger transfer, using ultrafast transient
Recent progress in photoinduced transitions between the solid,
Similarly, photoinduced crystal–liquid transitions were observed in macrocyclic hydrazones (X = C8 and C9 in Fig. 4f) and used for energy storage and release [].
Fluorescence modulation via photoinduced spin crossover
The photoinduced spin crossover switched the energy transfer from the fluorophore to the Fe II ion, resulting in fluorescence modulation. The presented results provide a novel
Fluorescence modulation via photoinduced spin crossover switched energy
Fluorescence modulation via photoinduced spin crossover switched energy transfer from fluorophores to Fe II ions† Jun-Li Wang a, Qiang Liu a, Yin-Shan Meng a, Xin Liu a, Hui Zheng b, Quan Shi b, Chun-Ying Duan a and Tao Liu * a a State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Rd., 116024, Dalian, China.
Photoinduced Fluorescence Switching in Molecular Aggregates
Here we successfully realize in situ fluorescence switching in molecular aggregates of thianaphthene-dioxide derivatives via topological [2+2] photocycloaddition, which represents a promising way
Fluorescence modulation via photoinduced spin crossover switched energy
Introduction The application of fluorescent materials for detection and tracer techniques is highly desirable because fluorescence signals provide superior contrast and sensitivity during remote detection at relatively high spatial and temporal resolution. 1,2 The modulation of fluorescence signals via light is particularly attractive
Physical mechanism of photoinduced intermolecular charge transfer enhanced by fluorescence resonance energy
In this paper, photoinduced intermolecular charge transfer (PICT) and fluorescence resonance energy transfer (FRET) in donor–acceptor systems have been investigated experimentally and theoretically. We attempt to investigate the natural relationship between FRET and PICT, and reveal the advantages of FRET en
The nature of photoinduced intermolecular charger transfer in fluorescence resonance energy
To observe the FRET in the system in Fig. 2, Fig. 3, we study the emission spectra in the region from 460 nm to 540 nm, which is excited region from 380 nm to 440 nm, where molecular concentration is 10 −4 M.For the donor in Fig. 4 (a), we can see that fluorescence is focused on the region from 370 nm to 500 nm.. With the increase of
Fundamental Concepts of Photoinduced Electron Transfer
During photoinduced ele transfer, tron spin-alignment isnormally conserved, so that singlet pair of reactants generates a geminate pair of doublet ions with overall singlet spin (Fig. 1)Similarly, PET between atriplet excited state and singlet round state leads directly toa triplet air of doublets.
Energy band gap modulation and photoinduced electron transfer
The addition of Fe 3+ and Cu 2+ caused significant quenching of fluorescence of polymers, and the polymer with high energy band gap exhibited higher
Researchers discover photo-induced charge-transfer complex
6 · More information: Wenhuan Huang et al, Trapping highly reactive photoinduced charge-transfer complex between amine and imide by light, Chem (2024). DOI: 10.1016/j empr.2024.05.005 Journal
Fast photochromic and fluorescent switchable organohydrogels
Electron transfer-induced quenching of ZnO emission enables fluorescence fading and recovery. •. Excellent photochromic reproducibility and initial
Fluorescence modulation via photoinduced spin crossover switched energy
Fluorescence modulation via photoinduced spin crossover switched energy transfer from fluorophores to FeII ions† Jun-Li Wang,a Qiang Liu,a Yin-Shan Meng,a Xin Liu, a Hui Zheng,b Quan Shi,b Chun-Ying Duan a and Tao Liu *a Molecular materials possessing
Fluorescence Modulation via Photoinduced Spin Crossover
The photoinduced spin-crossover switched the energy transfer from fluorophore to the FeII ion, resulting in fluorescence modulation. The presented results
Photoinduced electron transfer
Photoinduced electron transfer (PET) is an excited state electron transfer process by which an excited electron is transferred from donor to acceptor. [1] [2] Due to PET a charge separation is generated, i.e., redox reaction takes place in excited state (this phenomenon is not observed in Dexter electron transfer ).
New Strategy for the Persistent Photocatalytic Reduction of U(VI): Utilization and Storage of Solar Energy
1 Introduction The sustainable development of nuclear power is a highly promising strategy for "zero-emission credits". [] As the strategic resource for the nuclear industry, uranium is crucial for promoting the feasibility of sustainable nuclear energy. [1, 2] Compared with terrestrial uranium reserves, the ocean contains significantly more
Photoinduced Chemistry in Fluorescent Proteins: Curse or
Three Simultaneous Fluorescence Resonance Energy Transfer Processes and Structural Relaxation of Enhanced Yellow Fluorescent Protein Observed by Picosecond Time-Resolved Fluorescence Anisotropy. The Journal of Physical Chemistry B
Photoresponsive α -cyanostilbene-containing fluorescent liquid
Such fluorescence photochromic molecules have been used to construct the photo-switchable system, thereby realizing a wide range of applications in information storage [15], energy conversion [16], and photonic devices [17].
Fluorescence modulation via photoinduced spin
The photoinduced spin crossover switched the energy transfer from the fluorophore to the Fe II ion, resulting in fluorescence modulation. The presented results provide a novel approach for
Fast photochromic and fluorescent switchable organohydrogels based on photoinduced electron transfer for display and storage
The binary solvent confers excellent freeze resistance and long-term stability on OGHs. The photoreduction of viologens was enhanced by using photocatalytic activity of ZnO. Under the illumination of 365 nm UV lamps, the OGHs changed color within one second. Electron transfer-induced quenching of ZnO emission enables fluorescence fading and recovery.
Efficient Photoinduced Energy Transfer in Porphyrin-Based Nanomaterials
Intramolecular Energy Transfer in a Series of Star-Shaped Molecules with a Central Porphyrin Core and Four Oligocarbazole Arms. The Journal of Physical Chemistry C 2020, 124 (50), 27356-27365.
Molecular design of azobenzene-containing photoresponsive phase change materials with energy storage
Energy storage and photolithography studies with AZO-DOAB In recent years, the molecular solar thermal fuels based on azo-compounds attract increasing attentions, of which the related PPCMs are of great importance.
Photochromic fluorophores at the molecular and
Förster-type resonance energy transfer (FRET) or photoinduced intramolecular electron transfer (IET) mechanisms are adopted to reversibly switch the fluorescence property. Photoinduced
Photoinduced electron transfer (PeT) based
PeT-based fluorescent probes are powerful tools for cell imaging and disease diagnosis due to their low fluorescence background and significant fluorescence enhancement towards the target. This review provides
The reinforced photothermal effect of conjugated dye/graphene
The development of shape-stabilized phase change materials (ss-PCMs) with efficient solar energy conversion performance, large energy storage capacity, and
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