Allophycocyanin A is a carbon dioxide receptor in the cyanobacterial phycobilisome (2022)
Journal Article
Guillen-Garcia, A., Gibson, S., Jordan, C., Ramaswamy, V., Linthwaite, V., Bromley, E., …Cann, M. (2022). Allophycocyanin A is a carbon dioxide receptor in the cyanobacterial phycobilisome. Nature Communications, 13, Article 5289. https://doi.org/10.1038/s41467-022-32925-6

Light harvesting is fundamental for production of ATP and reducing equivalents for CO2 fixation during photosynthesis. However, electronic energy transfer (EET) through a photosystem can harm the photosynthetic apparatus when not balanced with CO2. H... Read More about Allophycocyanin A is a carbon dioxide receptor in the cyanobacterial phycobilisome.

Modulated Fluorescence in LB Films Based on DADQs—A Potential Sensing Surface? (2022)
Journal Article
Szablewski, M., Thompson, R. L., & Pålsson, L. (2022). Modulated Fluorescence in LB Films Based on DADQs—A Potential Sensing Surface?. Molecules, 27(12), Article 3893. https://doi.org/10.3390/molecules27123893

Novel fluorescent Langmuir-Blodgett (LB) films have been constructed from three different amphiphilic dicynaoquinodimethanes (DADQs). The DADQs varied in functional group structure, which had an impact on the LB film structure and the fluorescence pr... Read More about Modulated Fluorescence in LB Films Based on DADQs—A Potential Sensing Surface?.

Applying TADF Emitters in Bioimaging and Sensing—A Novel Approach Using Liposomes for Encapsulation and Cellular Uptake (2021)
Journal Article
Smith, P. O., Black, D. J., Pal, R., Avó, J., Dias, F. B., Linthwaite, V. L., …Pålsson, L. (2021). Applying TADF Emitters in Bioimaging and Sensing—A Novel Approach Using Liposomes for Encapsulation and Cellular Uptake. Frontiers in Chemistry, 9, Article 743928. https://doi.org/10.3389/fchem.2021.743928

A new method for facilitating the delivery, uptake and intracellular localisation of thermally activated delayed fluorescence (TADF) complexes was developed. First, confinement of TADF complexes in liposomes was demonstrated, which were subsequently... Read More about Applying TADF Emitters in Bioimaging and Sensing—A Novel Approach Using Liposomes for Encapsulation and Cellular Uptake.

TADF Dye-Loaded Nanoparticles for Fluorescence Live-Cell Imaging (2020)
Journal Article
Crucho, C. I., Avó, J., Diniz, A. M., Pinto, S. N., Barbosa, J., Smith, P. O., …Dias, F. B. (2020). TADF Dye-Loaded Nanoparticles for Fluorescence Live-Cell Imaging. Frontiers in Chemistry, 8, Article 404. https://doi.org/10.3389/fchem.2020.00404

Thermally activated delayed fluorescence (TADF) molecules offer nowadays a powerful tool in the development of novel organic light emitting diodes due to their capability of harvesting energy from non-emissive triplet states without using heavy-metal... Read More about TADF Dye-Loaded Nanoparticles for Fluorescence Live-Cell Imaging.

Ultrafast Dynamics and Computational Studies on Diaminodicyanoquinodimethanes (DADQs) (2014)
Journal Article
Szablewski, M., Fox, M., Dias, F., Namih, H., Snedden, E., King, S., …Pålsson, L. (2014). Ultrafast Dynamics and Computational Studies on Diaminodicyanoquinodimethanes (DADQs). Journal of Physical Chemistry B (Soft Condensed Matter and Biophysical Chemistry), 118(24), 6815-6828. https://doi.org/10.1021/jp411358d

Three diaminodicyanoquinodimethanes, 4-(R1R2C)-1-[(NC)2C]-C6H4 (R1,R2 = H2N, 1; R1 = 3,5-Me2-4-OCH4H6N–, R2 = H2N, 2; R1 = 3,5-Me2-4-OCH4H6N–, R2 = 4-Me-C5H9N, 3), were investigated using carbon-13 NMR, steady-state, and ultrafast transient absorptio... Read More about Ultrafast Dynamics and Computational Studies on Diaminodicyanoquinodimethanes (DADQs).

Synthesis, Excited State Dynamics, and Optical Characteristics of Oligophenyl-Based Swivel Cruciforms in Solution and Solid State. (2010)
Journal Article
Palsson, L., Nehls, B., Galbrecht, F., Coombs, B., Dias, F., Farrell, T., …Monkman, A. (2010). Synthesis, Excited State Dynamics, and Optical Characteristics of Oligophenyl-Based Swivel Cruciforms in Solution and Solid State. Journal of Physical Chemistry B (Soft Condensed Matter and Biophysical Chemistry), 114(40), 12765-12776. https://doi.org/10.1021/jp1028883

Efficient Intramolecular Charge Transfer in Oligoyne-Linked Donor–π–Acceptor Molecules (2009)
Journal Article
Pålsson, L., Wang, C., Batsanov, A., King, S., Beeby, A., Monkman, A., & Bryce, M. (2009). Efficient Intramolecular Charge Transfer in Oligoyne-Linked Donor–π–Acceptor Molecules. Chemistry - A European Journal, 16(5), 1470-1479. https://doi.org/10.1002/chem.200902099

Studies are reported on a series of triphenylamine–(C[TRIPLE BOND]C)n–2,5-diphenyl-1,3,4-oxadiazole dyad molecules (n=1–4, 1, 2, 3 and 4, respectively) and the related triphenylamine-C6H4–(C[TRIPLE BOND]C)3–oxadiazole dyad 5. The oligoyne-linked D–π–... Read More about Efficient Intramolecular Charge Transfer in Oligoyne-Linked Donor–π–Acceptor Molecules.

Intramolecular charge transfer assisted by conformational changes in the excited state of fluorene-dibenzothiophene-S,S-dioxide co-oligomers (2006)
Journal Article
Dias, F., Pollock, S., Hedley, G., Palsson, L., Monkman, A., Perepichka, I., …Bryce, M. (2006). Intramolecular charge transfer assisted by conformational changes in the excited state of fluorene-dibenzothiophene-S,S-dioxide co-oligomers. Journal of Physical Chemistry B (Soft Condensed Matter and Biophysical Chemistry), 110(39), 19329-19339. https://doi.org/10.1021/jp0643653

The strong solvatochromism observed for two fluorene-dibenzothiophene-S,S-dioxide oligomers in polar solvents has been investigated using steady-state and time-resolved fluorescence techniques. A low-energy absorption band, attributed to a charge-tra... Read More about Intramolecular charge transfer assisted by conformational changes in the excited state of fluorene-dibenzothiophene-S,S-dioxide co-oligomers.

Polarized optical spectroscopy applied to investigate two poly(phenylene-vinylene) polymers with different side chain structures (2006)
Journal Article
Palsson, L., Vaughan, H., & Monkman, A. (2006). Polarized optical spectroscopy applied to investigate two poly(phenylene-vinylene) polymers with different side chain structures. The Journal of Chemical Physics, 125, 164701-164707. https://doi.org/10.1063/1.2354473

Two related poly(phenylene-vinylene) (PPV) light-emitting polymers have been investigated by means of polarized optical spectroscopy. The purpose of the investigation was to investigate the nature of the interactions in thin films and to examine what... Read More about Polarized optical spectroscopy applied to investigate two poly(phenylene-vinylene) polymers with different side chain structures.

Guest-host interactions between dichroic dyes and anisotropic hosts. (2006)
Journal Article
Palsson, L., Vaughan, H., Smith, A., Szablewski, M., Cross, G., Roberts, T., …Bloor, D. (2006). Guest-host interactions between dichroic dyes and anisotropic hosts. Journal of Luminescence, 117(1), 113-122. https://doi.org/10.1016/j.jlumin.2005.03.017

The guest–host interaction between dichroic dyes and anistropic hosts has been investigated by means of optical spectroscopy. Two different TCNQ adducts; 2-{4-[(2,6-dimethylmorpholin-4-yl)(4-metylpiperidin-1-yl)methylene]cyclohexa-2,5-dien-1-ylidene}... Read More about Guest-host interactions between dichroic dyes and anisotropic hosts..

Matrix dependence of blue light emission from a novel NH2-functionalized dicyanoquinodimethane derivative (2006)
Journal Article
Szablewski, M., Bloor, D., Kagawa, Y., Mosurkal, R., Cole, J., Clark, S., …Palsson, L. (2006). Matrix dependence of blue light emission from a novel NH2-functionalized dicyanoquinodimethane derivative. Journal of Physical Organic Chemistry, 19(3), 206-213. https://doi.org/10.1002/poc.1020

The reactions of primary and secondary amines with (cyclohexa-2,5-diene-1,4-diylidene)-dimalononitrile (TCNQ) lead to mono- and disubstituted dicyanoquinodimethane derivatives and fluorescence emission has been observed for several of these compounds... Read More about Matrix dependence of blue light emission from a novel NH2-functionalized dicyanoquinodimethane derivative.

Absolute measurements of photoluminescence quantum yields of solutions using an integrating sphere (2006)
Journal Article
Porrès, L., Holland, A., -O. Pålsson, L., Monkman, A., Kemp, C., & Beeby, A. (2006). Absolute measurements of photoluminescence quantum yields of solutions using an integrating sphere. Journal of Fluorescence, 16(2), 267-273. https://doi.org/10.1007/s10895-005-0054-8

We demonstrate that absolute measurements of the photoluminescence quantum yield of solutions can be made using an integrating sphere and a conventional fluorimeter. With this method the need for measurements against a luminescence standard is overco... Read More about Absolute measurements of photoluminescence quantum yields of solutions using an integrating sphere.

Influence Of Molecular Weight On Self-organization, Uniaxial Alignment, And Surface Morphology Of Hairy-rodlike Polyfluorene In Thin Films (2004)
Journal Article
Knaapila, M., Kisko, K., Lyons, B., Stepanyan, R., Foreman, J., Seeck, O., …Monkman, A. (2004). Influence Of Molecular Weight On Self-organization, Uniaxial Alignment, And Surface Morphology Of Hairy-rodlike Polyfluorene In Thin Films. Journal of Physical Chemistry B (Soft Condensed Matter and Biophysical Chemistry), 108(30), 10711-10720. https://doi.org/10.1021/jp049067p

X-ray Diffraction Studies Of Multiple Orientation In Poly(9,9-bis(2-ethylhexyl)fluorene-2,7-diyl) Thin Films (2003)
Journal Article
Knaapila, M., Lyons, B., Kisko, K., Foreman, J., Vainio, U., Mihaylova, M., …Monkman, A. (2003). X-ray Diffraction Studies Of Multiple Orientation In Poly(9,9-bis(2-ethylhexyl)fluorene-2,7-diyl) Thin Films. Journal of Physical Chemistry B (Soft Condensed Matter and Biophysical Chemistry), 107(45), 12425-12430. https://doi.org/10.1021/jp035259t

Pressure dependent radiative quantum yields of the prompt and delayedluminescence of polyfluorene films (vol 360, pg 111, 2002) (2003)
Journal Article
Rothe, C., Hintschich, S., Palsson, L., & Monkman, A. (2003). Pressure dependent radiative quantum yields of the prompt and delayedluminescence of polyfluorene films (vol 360, pg 111, 2002). Chemical Physics Letters, 373(5-6), 646-647. https://doi.org/10.1016/s0009-2614%2803%2900634-1

Diffraction analysis of highly ordered smectic supramolecules of conjugated rodlike polymers. (2003)
Journal Article
Knaapila, M., Torkkeli, M., Jokela, K., Kisko, K., Horsburgh, L., Palsson, L., …Serimaa, R. (2003). Diffraction analysis of highly ordered smectic supramolecules of conjugated rodlike polymers. Journal of Applied Crystallography, 36(3), 702-707. https://doi.org/10.1107/s0021889803003881

A small/wide-angle X-ray scattering and grazing incidence diffraction study of comb-shaped supramolecules of conjugated poly(2,5-pyridinediyl), acid dopant and hydrogen bonded amphiphilic side chains is reported. In solution, polymers are dissolved r... Read More about Diffraction analysis of highly ordered smectic supramolecules of conjugated rodlike polymers..

Local field and aggregation dependence of the micro- and macroscopic optical non-linearity of zwitterionic molecules (2003)
Journal Article
Cross, G., Hackman, N., Thomas, P., Szablewski, M., Pålsson, L., & Bloor, D. (2003). Local field and aggregation dependence of the micro- and macroscopic optical non-linearity of zwitterionic molecules. Optical Materials, 21(1-3), 29-37. https://doi.org/10.1016/s0925-3467%2802%2900108-8

When a dipolar-conjugated molecule can lower its energy through gaining aromaticity, there can be a quite dramatic evolution of its polarisation properties dependent on the local reaction field generated in its environment. We have studied conjugated... Read More about Local field and aggregation dependence of the micro- and macroscopic optical non-linearity of zwitterionic molecules.

Singlet and triplet energy transfer in a benzil-doped, light emitting,solid-state conjugated polymer (2002)
Journal Article
Rothe, C., Palsson, L., & Monkman, A. (2002). Singlet and triplet energy transfer in a benzil-doped, light emitting,solid-state conjugated polymer. Chemical Physics, 285(1), 95-101

Novel route for polarized luminance: Cleaving side groups from alignedself-organized supramolecules. (2002)
Journal Article
Ikkala, O., Knaapila, M., Torkkeli, M., Palsson, L., Horsburgh, L., Jokela, K., …Monkman, A. (2002). Novel route for polarized luminance: Cleaving side groups from alignedself-organized supramolecules

Polarized luminescence from self-assembled, aligned, and cleaved supramolecules of highly ordered rodlike polymers (2002)
Journal Article
Knaapila, M., Ikkala, O., Torkkeli, M., Jokela, K., Serimaa, R., Dolbnya, I., …Monkman, A. (2002). Polarized luminescence from self-assembled, aligned, and cleaved supramolecules of highly ordered rodlike polymers. Applied Physics Letters, 81(8), 1489-1491. https://doi.org/10.1063/1.1499222

A hierarchical self-assembly in comb-shaped supramolecules of conjugated rodlike polymers is reported. The supramolecules consist of poly(2,5-pyridinediyl), aciddopants, and hydrogen bonded alkyl side chains. A thermotropic smectic state with an exce... Read More about Polarized luminescence from self-assembled, aligned, and cleaved supramolecules of highly ordered rodlike polymers.