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Journal articles on the topic 'Donor-Acceptor pairs'

Author: Grafiati

Published: 22 February 2025

Last updated: 31 July 2025

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1

Forkel, D., N. Achtziger, A. Baurichter, et al. "Acceptor-donor pairs in germanium." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 63, no. 1-2 (1992): 217–20. http://dx.doi.org/10.1016/0168-583x(92)95198-z.

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2

Zhong, Cheng, Jinwei Zhou, and Charles L. Braun. "Electron-transfer absorption of sterically bulky donor–acceptor pairs: electron donor–acceptor complexes or random pairs?" Journal of Photochemistry and Photobiology A: Chemistry 161, no. 1 (2003): 1–9. http://dx.doi.org/10.1016/s1010-6030(03)00233-8.

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3

Lee, Jungho, Sang Myeon Lee, Shanshan Chen, et al. "Organic Photovoltaics with Multiple Donor–Acceptor Pairs." Advanced Materials 31, no. 20 (2018): 1804762. http://dx.doi.org/10.1002/adma.201804762.

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4

Yamamoto, S., J. Pirillo, Y. Hijikata, Z. Zhang, and K. Awaga. "Nanopore-induced host–guest charge transfer phenomena in a metal–organic framework." Chemical Science 9, no. 13 (2018): 3282–89. http://dx.doi.org/10.1039/c7sc05390h.

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Using the “crystal sponge” approach, weak organic electron donor molecules were impregnated and evenly distributed in a crystal of a metal–organic framework (MOF), with the self-assembly of the donor–acceptor pairs with electron acceptor ligands. The nanopores of the MOF confined them and induced a charge transfer phenomenon, which would not occur between donor and acceptor molecules in a bulk scale.

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5

Cheng, K. H., T. Wiedmer, and P. J. Sims. "Fluorescence resonance energy transfer study of the associative state of membrane-bound complexes of complement proteins C5b-8." Journal of Immunology 135, no. 1 (1985): 459–64. http://dx.doi.org/10.4049/jimmunol.135.1.459.

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Abstract Human complement protein C8 was labeled with the fluorescent chromophores fluorescein-5-isothiocyanate (FITC), 3-(4-isothiocyanatophenyl)-7-diethylamine-4-methyl coumarin (IPM), eosin-5-isothiocyanate (EOS), or Texas Red (sulforhodamine-101-sulfonyl chloride; TR) with only minor reduction in the specific hemolytic activity of the protein. The distribution of C5b-8 complexes bound to sheep erythrocyte membranes was investigated by monitoring fluorescence resonance energy transfer (RET) between the following RET donor/acceptor pairs of labeled C8: FITC-C8/EOS-C8, IPM-C8/EOS-C8, and FITC

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6

Sheng, Yinghong, and Jerzy Leszczynski. "Theoretical Study of the Substituent and Solvent Effects on the Molecular Structures, Absorption and Emission Spectra of Open-Form Spiropyrans." Collection of Czechoslovak Chemical Communications 69, no. 1 (2004): 47–62. http://dx.doi.org/10.1135/cccc20040047.

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The effects of substituents and solvents on the molecular structures, excitation energies and emission energies of a series of donor-acceptor substituted spiropyrans were investigated using the density functional methods. Different donor-acceptor pairs lead to alternations of the molecular structures. A relationship between the strengths of donor-acceptor pairs and the structural parameter BLA (bond length alternation) was examined and discussed. The impact on geometrical parameters induced by the solvents is more significant than that caused by the substituents, as indicated by the larger BLA

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7

Harvey, Pierre D., Mikhail A. Filatov, and Roger Guilard. "Bis- and trisporphyrin bio-inspired models for bacterial antennas and photosystems." Journal of Porphyrins and Phthalocyanines 15, no. 11n12 (2011): 1150–71. http://dx.doi.org/10.1142/s1088424611004221.

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This review presents the synthetic aspects and photophysical properties of trimeric systems constructed with a first unit consisting of a cofacial porphyrin and then of another porphyrin attached as a side arm. Two scenarios are dealt with. The first one is the case where the three chromophores are different, called donor 1–donor 2–acceptor, specifically where the cofacial fragment is composed of donor 1 and donor 2, and the side arm is the acceptor. They are considered as models for the apo-proteins used in the LH II (light harvesting device) in the purple photosynthetic bacteria. The second

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8

POY, Cecília Dominical, and Marinônio Lopes CORNÉLIO. "Electron migration in DNA matrix: an electron transfer reaction." Eclética Química 23 (1998): 99–109. http://dx.doi.org/10.1590/s0100-46701998000100009.

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This paper brings an active and provocative area of current research. It describes the investigation of electron transfer (ET) chemistry in general and ET reactions results in DNA in particular. Two DNA intercalating molecules were used: Ethidium Bromide as the donor (D) and Methyl-Viologen as the acceptor (A), the former intercalated between DNA bases and the latter in its surface. Using the Perrin model and fluorescence quenching measurements the distance of electron migration, herein considered to be the linear spacing between donor and acceptor molecule along the DNA molecule, was obtained

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9

Poy, Cecília Dominical, and Marinônio Lopes Cornélio. "Electron migration in DNA matrix: an electron transfer reaction." Ecletica Quimica 23, no. 1 (1998): 99–109. http://dx.doi.org/10.26850/1678-4618eqj.v23.1.1998.p99-109.

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This paper brings an active and provocative area of current research. It describes the investigation of electron transfer (ET) chemistry in general and ET reactions results in DNA in particular. Two DNA intercalating molecules were used: Ethidium Bromide as the donor (D) and Methyl-Viologen as the acceptor (A), the former intercalated between DNA bases and the latter in its surface. Using the Perrin model and fluorescence quenching measurements the distance of electron migration, herein considered to be the linear spacing between donor and acceptor molecule along the DNA molecule, was obtained

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10

Lu, Xin. "Single photon emitters originating from donor–acceptor pairs." Journal of Semiconductors 44, no. 1 (2023): 010401. http://dx.doi.org/10.1088/1674-4926/44/1/010401.

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11

Marceddu, M., A. Anedda, C. M. Carbonaro, D. Chiriu, R. Corpino, and P. C. Ricci. "Donor–acceptor pairs and excitons recombinations in AgGaS2." Applied Surface Science 253, no. 1 (2006): 300–305. http://dx.doi.org/10.1016/j.apsusc.2006.06.002.

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12

Krustok, J. "Orange luminescence of donor-acceptor pairs in CdS:Ag:Cl." Journal of Physics and Chemistry of Solids 53, no. 8 (1992): 1027–30. http://dx.doi.org/10.1016/0022-3697(92)90073-m.

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13

Kim, Kookjoo, Mykhailo Kopylov, Daija Bobe, et al. "The structure of natively iodinated bovine thyroglobulin." Acta Crystallographica Section D Structural Biology 77, no. 11 (2021): 1451–59. http://dx.doi.org/10.1107/s2059798321010056.

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Thyroglobulin is a homodimeric glycoprotein that is essential for the generation of thyroid hormones in vertebrates. Upon secretion into the lumen of follicles in the thyroid gland, tyrosine residues within the protein become iodinated to produce monoiodotyrosine (MIT) and diiodotyrosine (DIT). A subset of evolutionarily conserved pairs of DIT (and MIT) residues can then engage in oxidative coupling reactions that yield either thyroxine (T4; produced from coupling of a DIT `acceptor' with a DIT `donor') or triiodothyronine (T3; produced from coupling of a DIT acceptor with an MIT donor). Altho

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14

ERINA, M. V., and M. I. DERYABIN. "DETERMINATION OF THE TRIPLET STATE POPULATION OF ACCEPTOR MOLECULES BY CHANGES IN THE INTENSITY OF SENSITIZED PHOSPHORESCENCE." Izvestiya vysshikh uchebnykh zavedenii. Fizika 67, no. 6 (2024): 63–70. https://doi.org/10.17223/00213411/67/6/10.

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Based on the expression obtained using a labeled graph of states of donor-acceptor pairs, a simple analytical relationship has been established between the stationary population of the triplet T 1-state of acceptor molecules and the multiples of changes in donor photoexcitation intensities and sensitized phosphorescence of the acceptor, similar to that obtained previously for a one-component solution. The calculated values of the relative stationary population qT of the T 1-state of the acceptor pair benzophenone (donor) - acenaphthene (acceptor) are in good agreement with the results obtained

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15

Krzyaniak, Matthew D., Lukáš Kobr, Brandon K. Rugg, et al. "Fast photo-driven electron spin coherence transfer: the effect of electron-nuclear hyperfine coupling on coherence dephasing." Journal of Materials Chemistry C 3, no. 30 (2015): 7962–67. http://dx.doi.org/10.1039/c5tc01446h.

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A covalently-linked electron donor–acceptor–acceptor molecule was utilized to study the effect of electron-nuclear hyperfine coupling on the dephasing of the zero quantum coherence in spin correlated radical pairs.

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16

Milenin, G. V., and R. A. Redko. "Analysis of the transformation of radiative recombination spectra of n-GaN after magnetic field treatments based on the queueing theories concept." Semiconductor Physics, Quantum Electronics and Optoelectronics 27, no. 03 (2024): 269–73. http://dx.doi.org/10.15407/spqeo27.03.269.

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Long-term changes in radiative recombination spectra of n-GaN after magnetic field treatments have been studied. It has been found out that the intensity of the radiation of donor-acceptor pairs remains unchanged over time, while the intensity of edge photoluminescence significantly decreases. These features have been explained by assuming the formation of additional donor levels and using the concepts of the queueing theory of donor-acceptor recombination.

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17

Liu, Liu Leo, and Douglas W. Stephan. "Radicals derived from Lewis acid/base pairs." Chemical Society Reviews 48, no. 13 (2019): 3454–63. http://dx.doi.org/10.1039/c8cs00940f.

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While conventional approaches to stabilizing main group radicals have involved the use of Lewis acids or bases, this tutorial review focuses on new avenues to main group radicals derived from combinations of donor and acceptor molecules.

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18

Laishram, Raju, and Uday Maitra. "Energy transfer in FRET pairs in a supramolecular hydrogel template." Chemical Communications 58, no. 19 (2022): 3162–65. http://dx.doi.org/10.1039/d1cc07048g.

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19

Guo, Minmin, Huimin Yang, Yuting Du, Yingjin Wang та Xiaojing Yang. "Enhanced photoelectrocatalytic performance of α-MnO₂ by Sb and N charge compensation". New Journal of Chemistry 45, № 47 (2021): 22261–68. http://dx.doi.org/10.1039/d1nj03937g.

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20

Ferreira da Silva, A. "Impurity states in doubly doped systems: Investigation of donor-donor and donor-acceptor pairs." Physical Review B 50, no. 15 (1994): 11216–18. http://dx.doi.org/10.1103/physrevb.50.11216.

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21

Harris, T. D., J. K. Trautman, and J. I. Colonell. "Dynamics of Selectively Excited Donor Acceptor Pairs in GaAs." Materials Science Forum 65-66 (January 1991): 21–28. http://dx.doi.org/10.4028/www.scientific.net/msf.65-66.21.

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22

Fritzsch, B., and A. Zehe. "Distribution function of donor-acceptor pairs in nipi-structures." Superlattices and Microstructures 12, no. 1 (1992): 43–46. http://dx.doi.org/10.1016/0749-6036(92)90217-s.

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23

Hübner, Christian G., Vsevolod Ksenofontov, Fabian Nolde, Klaus Müllen, and Thomas Basché. "Three-dimensional orientational colocalization of individual donor–acceptor pairs." Journal of Chemical Physics 120, no. 23 (2004): 10867–70. http://dx.doi.org/10.1063/1.1760492.

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24

Morhain, C., E. Tournié, G. Neu, C. Ongaretto, and J. P. Faurie. "Spectroscopy of donor-acceptor pairs in nitrogen-doped ZnSe." Physical Review B 54, no. 7 (1996): 4714–21. http://dx.doi.org/10.1103/physrevb.54.4714.

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25

Nardo, Luca, Maria Bondani, and Alessandra Andreoni. "Discrimination of the binding mode of DNA ligands by single-photon timing." Spectroscopy 23, no. 1 (2009): 11–28. http://dx.doi.org/10.1155/2009/605756.

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We perform time-correlated single-photon counting measurements with 30-ps resolution of the fluorescence emitted by the donor fluorophores of donor–acceptor pairs covalently labeling DNA synthetic oligonucleotides by using a non-commercial single-photon avalanche diode. The measurements allow us to precisely assess the fluorescence resonant energy transfer efficiency of the pairs in solutions containing the oligonucleotides and DNA–ligands, for different ratios of the DNA base-pair to ligand concentrations. A quantitative evaluation of the deformations of DNA double strands following the ligan

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26

Porcu, Pasquale, Mireille Vonlanthen, Andrea Ruiu, Israel González-Méndez, and Ernesto Rivera. "Energy Transfer in Dendritic Systems Having Pyrene Peripheral Groups as Donors and Different Acceptor Groups." Polymers 10, no. 10 (2018): 1062. http://dx.doi.org/10.3390/polym10101062.

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In this feature article, a specific overview of resonance energy transfer (FRET) in dendritic molecules was performed. We focused mainly on constructs bearing peripheral pyrene groups as donor moieties using different acceptor groups, such as porphyrin, fullerene C60, ruthenium-bipyridine complexes, and cyclen-core. We have studied the effect of all the different donor-acceptor pairs in the energy transfer efficiency (FRET). In all cases, high FRET efficiency values were observed.

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27

Reshchikov, M. A., G. C. Yi, and B. W. Wessels. "Defect Luminescence in Heavily Mg Doped GaN." MRS Internet Journal of Nitride Semiconductor Research 4, S1 (1999): 968–73. http://dx.doi.org/10.1557/s1092578300003677.

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Behavior of the photoluminescence band at about 2.8 eV in heavily Mg doped GaN has been studied at different temperatures and excitation intensities. The 2.8 eV band is attributed to donor-acceptor transitions involving a Mg acceptor. The large blue shift of the band with increasing excitation intensity is explained by variation in the contribution of close and distant pairs to the luminescence. The red shift of the band with increasing temperature under high excitation intensity conditions results from thermal release of carriers from close pairs. The thermal activation energy of the deep don

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28

Malicka, J., R. Ganzynkowicz, M. Groth, et al. "Fluorescence decay time distribution analysis of cyclic enkephalin analogues; influence of solvent and Leu configuration in position 5 on conformation." Acta Biochimica Polonica 48, no. 1 (2001): 95–102. http://dx.doi.org/10.18388/abp.2001_5115.

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Lifetime distribution analysis were performed to study the influence of Leu configuration in position 5 on changes of the peptide chain of cyclic analogues of enkephalins containing a fluorescence donor and acceptor in different solvents. The configuration change of Leu5 in all the analogues of enkephalins studied which contain donor-acceptor pairs has no apparent influence on Trp lifetime distributions. In contrast, there is a significant solvent effect on the shape of lifetime distribution.

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29

Stadnyk, Yu V., V. V. Romaka, V. A. Romaka, et al. "Investigation of Electronic Structure of Zr1-xVxNiSn Semiconductive Solid Solution." Фізика і хімія твердого тіла 20, no. 2 (2019): 127–32. http://dx.doi.org/10.15330/pcss.20.2.127-132.

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The peculiarities of electronic and crystal structures of Zr1-xVxNiSn (x = 0 - 0.10) semiconductive solid solution were investigated. To predict Fermi level εF behavior, band gap εg and electrokinetic characteristics of Zr1-xVxNiSn, the distribution of density of electronic states (DOS) was calculated. The mechanism of simultaneous generation of structural defects of donor and acceptor nature was determined based on the results of calculations of electronic structure and measurement of electrical properties of Zr1-xVxNiSn semiconductive solid solution. It was established that in the band gap o

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30

Wang, Yuhui, Kai Jiang, Jiali Zhu, Ling Zhang, and Hengwei Lin. "A FRET-based carbon dot–MnO2nanosheet architecture for glutathione sensing in human whole blood samples." Chemical Communications 51, no. 64 (2015): 12748–51. http://dx.doi.org/10.1039/c5cc04905a.

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31

Shimazaki, Tomomi, and Takahito Nakajima. "Theoretical study of exciton dissociation through hot states at donor–acceptor interface in organic photocell." Physical Chemistry Chemical Physics 17, no. 19 (2015): 12538–44. http://dx.doi.org/10.1039/c5cp00740b.

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32

Wang, Fanji, Kyohei Nakano, Hiroyuki Yoshida, et al. "Effects of end-on oriented polymer chains at the donor/acceptor interface in organic solar cells." Journal of Materials Chemistry A 6, no. 45 (2018): 22889–98. http://dx.doi.org/10.1039/c8ta09307e.

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33

Duan, Pengfei, Deepak Asthana, Takuya Nakashima, Tsuyoshi Kawai, Nobuhiro Yanai, and Nobuo Kimizuka. "All-or-none switching of photon upconversion in self-assembled organogel systems." Faraday Discussions 196 (2017): 305–16. http://dx.doi.org/10.1039/c6fd00170j.

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Aggregation-induced photon upconversion (iPUC) based on a triplet–triplet annihilation (TTA) process is successfully developed via controlled self-assembly of donor–acceptor pairs in organogel nanoassemblies. Although segregation of donor from acceptor assemblies has been an outstanding problem in TTA-based UC and iPUC, we resolved this issue by modifying both the triplet donor and aggregation induced emission (AIE)-type acceptor with glutamate-based self-assembling moieties. These donors and acceptors co-assemble to form organogels without segregation. Interestingly, these donor–acceptor bina

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34

Romaka, L. P., Yu V. Stadnyk, V. A. Romaka, A. M. Horyn, and V. Ya Krayovskyy. "Study of electrokinetic and magnetic properties of ZrNi1-xRhxSn semiconductive solid solution." Фізика і хімія твердого тіла 19, no. 1 (2018): 21–28. http://dx.doi.org/10.15330/pcss.19.1.21-28.

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The features of electrokinetic, energy state and magnetic characteristics of ZrNi1-xRhxSn semiconductive solid solution were investigated in the ranges: T = 80-400 K, x = 0-0.10. It was shown that substitution of Ni atoms (3d84s2) by Rh atoms (4d85s1) in the structure of ZrNiSn compound generated the structural defects with acceptor nature, and holes became the main charge carriers in the ZrNi1-xRhxSn at low temperature. Based on analysis of the motion rate of the Fermi level ΔεF/Δх in ZrNi1-xRhxSn to the valence band and change of sign of thermopower coefficient from positive to negative it w

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35

Romaka, V. A., Yu Stadnyk, L. Romaka, et al. "Study of the structural, electrokinetic and magnetic characteristics of the Er1-xZrxNiSb semiconductor." Physics and Chemistry of Solid State 21, no. 4 (2020): 689–94. http://dx.doi.org/10.15330/pcss.21.4.689-694.

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Peculiarities of the structural, electrokinetic, energetic, and magnetic characteristics of Er1-xZrxNiSb semiconductive solid solution, х=0–0.10, were studied. It was suggested that when Zr (4d25s2) atoms were introduced into the structure of the ErNiSb half-Heusler phase by substitution of Er (5d06s2) atoms in 4a position, Zr atoms can also simultaneously occupy the 4c position of Ni (3d84s2) atoms. As a result, in Er1-xZrxNiSb semiconductor, the structural defects of donor nature in position 4a and ones of acceptor nature in position 4c were generated simultaneously. In this case, in the ban

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36

Vidal, Matías, Marcos Caroli Rezende, Camila Pastene, Carolina Aliaga, and Moisés Domínguez. "Solvatochromism of conjugated 4-N,N-dimethylaminophenyl-pyridinium donor–acceptor pairs." New Journal of Chemistry 42, no. 6 (2018): 4223–31. http://dx.doi.org/10.1039/c7nj04992g.

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A series of solvatochromic dyes consisting of an N,N-dimethylaminophenyl donor group conjugated with a 1-butylpyridinium acceptor ring through a 1,4-phenylene spacer were synthesized by a three-step procedure.

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37

ERMAKOVA, EKATERINA O., RAMIL N. NURTDINOV, and MIKHAIL S. GELFAND. "OVERLAPPING ALTERNATIVE DONOR SPLICE SITES IN THE HUMAN GENOME." Journal of Bioinformatics and Computational Biology 05, no. 05 (2007): 991–1004. http://dx.doi.org/10.1142/s0219720007003089.

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Over 50% of donor splice sites in the human genome have a potential alternative donor site at a distance of three to six nucleotides. Conservation of these potential sites is determined by the consensus requirements and by its exonic or intronic location. Several hundred pairs of overlapping sites are confirmed to be alternatively spliced as both sites in a pair are supported by a protein, by a full-length mRNA, or by expressed sequence tags (ESTs) from at least two independent clone libraries. Overlapping sites may clash with consensus requirements. Pairs with a site shift of four nucleotides

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38

Ghosh, Pritha, та Jayanta Chatterjee. "CH–π interaction between cross-strand amino acid pairs stabilizes β-hairpins". Chemical Communications 56, № 92 (2020): 14447–50. http://dx.doi.org/10.1039/d0cc05653g.

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39

Krustok, J., T. Raadik, M. Grossberg, M. Kauk-Kuusik, V. Trifiletti, and S. Binetti. "Photoluminescence study of deep donor- deep acceptor pairs in Cu2ZnSnS4." Materials Science in Semiconductor Processing 80 (June 2018): 52–55. http://dx.doi.org/10.1016/j.mssp.2018.02.025.

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40

Kostadinov, I. Z. "Hopping conduction and luminescence relaxation due to donor-acceptor pairs." Physical Review B 35, no. 14 (1987): 7618–22. http://dx.doi.org/10.1103/physrevb.35.7618.

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41

Aliaga, Carolina, Matías Vidal, Camila Pastenes, Marcos Caroli Rezende, and Moisés Domínguez. "Solvatofluorochromism of conjugated 4-methoxyphenyl-Pyridinium electron donor-acceptor pairs." Dyes and Pigments 166 (July 2019): 395–402. http://dx.doi.org/10.1016/j.dyepig.2019.03.054.

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42

BOER, K., and J. PIPREK. "Donor-acceptor pairs to limit Voc-improvement of photo-diodes." Solar Energy Materials and Solar Cells 32, no. 4 (1994): 395–403. http://dx.doi.org/10.1016/0927-0248(94)90102-3.

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43

Padula, Daniele, and Alessandro Troisi. "Concurrent Optimization of Organic Donor–Acceptor Pairs through Machine Learning." Advanced Energy Materials 9, no. 40 (2019): 1902463. http://dx.doi.org/10.1002/aenm.201902463.

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44

Romaka, L. P., Yu V. Stadnyk, V. V. Romaka, V. Ya Krayovsky, P. F. Rogl, and A. M. Нoryn. "Investigation of Band Structure of ZrNiSn1-xGax Semiconductor Solid Solution." Фізика і хімія твердого тіла 18, no. 2 (2017): 187–93. http://dx.doi.org/10.15330/pcss.18.2.187-193.

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The mechanism of simultaneous generation of donor-acceptor pairs in ZrNiSn1-xGax semiconductor solid solution is established. The modeled distribution of atoms in the crystal lattice of ZrNiSn1-xGax showed that the speed of movement of Fermi level εF, obtained from the band structure calculations is in agreement with experimental extracted from lnρ(1/T) dependencies. It is shown that with substitution of Sn (5s25p2) with Ga (4s24p1) atoms in 4b crystallographic site both acceptor and donor (vacancies in 4b site) defects are generated.

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45

Singh, Moirangthem Kiran, Mohammad Firoz Khan, Him Shweta, and Sobhan Sen. "Probe-location dependent resonance energy transfer at lipid/water interfaces: comparison between the gel- and fluid-phase of lipid bilayer." Physical Chemistry Chemical Physics 19, no. 38 (2017): 25870–85. http://dx.doi.org/10.1039/c7cp03108d.

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46

Fellows, Christopher. "Preliminary observations on the copolymerisation of acceptor monomer:donor monomer systems under microwave irradiation." Open Chemistry 3, no. 1 (2005): 40–52. http://dx.doi.org/10.2478/bf02476236.

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AbstractThe mechanistic rationalisation of specific ‘microwave effects’ previously reported in a range of chemical reactions suggests that they may be observable in the freeradical copolymerisation of comonomer pairs capable of forming donor-acceptor complexes. Polymerisation under microwave irradiation is carried out for several comonomer pairs with weak donor-acceptor interactions, and no acceleration in rate or change in degree of alternation attributable to changes in propagation are observed. An increase in reaction rate of 150–200 % is observed for all systems, with trends in molecular w

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47

Shivanna, Mohana, Mark D. Allendorf, Ali Abou Taka, et al. "Charge Transfer Donor-Acceptor Guests Confined within Metal-Organic Framework Crystals." ECS Meeting Abstracts MA2024-02, no. 37 (2024): 2552. https://doi.org/10.1149/ma2024-02372552mtgabs.

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Organic donor-acceptor (D-A) co-crystals have emerged as a promising class of semiconductors for photovoltaic applications.1,2 These co-crystals, which are packed through π-stacking interactions, can form charge transfer (CT) excitons within donor-acceptor pairs. These materials can exhibit unique and rare properties such as ambipolar charge transport, room-temperature ferroelectricity, and non-linear optical properties. Confinement of such D-A pairs within crystalline porous host materials such as metal-organic materials (MOFs)3 has rarely been studied. This approach can improve energy and ch

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48

Balakrishnan, Mini, Bernard P. Roques, Philip J. Fay, and Robert A. Bambara. "Template Dimerization Promotes an Acceptor Invasion-Induced Transfer Mechanism during Human Immunodeficiency Virus Type 1 Minus-Strand Synthesis." Journal of Virology 77, no. 8 (2003): 4710–21. http://dx.doi.org/10.1128/jvi.77.8.4710-4721.2003.

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ABSTRACT The biochemical mechanism of template switching by human immunodeficiency virus type 1 (HIV-1) reverse transcriptase and the role of template dimerization were examined. Homologous donor-acceptor template pairs derived from the HIV-1 untranslated leader region and containing the wild-type and mutant dimerization initiation sequences (DIS) were used to examine the efficiency and distribution of transfers. Inhibiting donor-acceptor interaction was sufficient to reduce transfers in DIS-containing template pairs, indicating that template dimerization, and not the mere presence of the DIS,

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Lewis, Frederick D. "DNA photonics." Pure and Applied Chemistry 78, no. 12 (2006): 2287–95. http://dx.doi.org/10.1351/pac200678122287.

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Short DNA duplexes can be stabilized by the presence of organic chromophores, which serve as hairpin linkers or end-capping groups. Capped hairpins possessing one or more base pairs form stable folded structures in aqueous solution. Increasing the number of base pairs separating the two chromophores increases both the distance between the two chromophores and the dihedral angle between their electronic transition dipoles. Thus, duplex DNA can serve as a helical scaffold for the study of electronic interactions between two chromophores. Three types of electronic interaction have been investigat

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50

Zehe, A., E. Reynoso, and A. Ramírez. "Quenching of Luminescence Emission due to a Transient Bonding State of Donor-Acceptor Pairs at High Excitation Levels in GaAlAs Crystals Doped to Compensation." Materials Science Forum 480-481 (March 2005): 457–62. http://dx.doi.org/10.4028/www.scientific.net/msf.480-481.457.

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A new kind of a bound state has been identified at strong external excitation levels in semiconductors with high amphoteric doping, which is formed of a close donor-acceptor molecule and a neighboring second donor and/or acceptor. The recombination behavior of such a bound state is best described by AUGER-type transitions, reason for which this state is called an AUGER molecule. We have determined the existence region of such molecules in silicon-doped Ga1-xAlxAs with respect to excess carrier density and temperature by means of electron-beam excited luminescence spectroscopy at low and medium

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