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Long-term ambient air-stable cubic CsPbBr3 perovskite quantum dots using molecular bromine (2019)
Journal Article
Thapa, S., Bhardwaj, K., Basel, S., Pradhan, S., Eling, C. J., Adawi, A. M., …Tamang, S. (in press). Long-term ambient air-stable cubic CsPbBr3 perovskite quantum dots using molecular bromine. Nanoscale advances, https://doi.org/10.1039/c9na00486f

We report unprecedented phase stability of cubic CsPbBr3 quantum dots in ambient air obtained by using Br2 as halide precursor. Mechanistic investigation reveals the decisive role of temperature-controlled in situ generated, oleylammonium halide spec... Read More

Dynamic electric field alignment of metal-organic framework micro- rods (2019)
Journal Article
Reithofer, M. R., Jaafar, A. H., Hall, C. H., Young, A. J., Cheng, F., Young, A. J., …Chin, J. M. (2019). Dynamic electric field alignment of metal-organic framework micro- rods. Journal of the American Chemical Society, 141(33), 12989-12993. https://doi.org/10.1021/jacs.9b06320

Alignment of Metal Organic Framework (MOF) crystals has previously been performed via careful control of oriented MOF growth on substrates, as well as by dynamic magnetic alignment. We show here that microrod crystals of the MOF NU-1000 can also be d... Read More

Probing the molecular orientation of a single conjugated polymer via nano-gap SERS (2019)
Journal Article
Marshall, A. R. L., Roberts, M., Gierschner, J., Bouillard, J. G., & Adawi, A. M. (2019). Probing the molecular orientation of a single conjugated polymer via nano-gap SERS. ACS applied polymer materials, 1(5), 1175-1180. https://doi.org/10.1021/acsapm.9b00180

Determining the molecular orientation at the single molecule level is of key importance for a wide range of applica-tions ranging from molecular electronic devices to biomedical applications. In this work Surface-Enhanced Raman Scattering (SERS) was... Read More

Synthesis of super bright indium phosphide colloidal quantum dots through thermal diffusion (2019)
Journal Article
Clarke, M. T., Viscomi, F. N., Chamberlain, T. W., Hondow, N., Adawi, A. M., Sturge, J., …Stasiuk, G. J. (2019). Synthesis of super bright indium phosphide colloidal quantum dots through thermal diffusion. Communications Chemistry, 2(1), https://doi.org/10.1038/s42004-019-0138-z

Indium phosphide based quantum dots have emerged in recent years as alternatives to traditional heavy metal (cadmium, lead) based materials suitable for biomedical application due to their non-toxic nature. The major barrier to this application, is t... Read More

Metaparticles: Dressing nano-objects with a hyperbolic coating (2018)
Journal Article
Wang, P., Krasavin, A. V., Viscomi, F. N., Adawi, A. M., Bouillard, J. G., Zhang, L., …Zayats, A. V. (2018). Metaparticles: Dressing nano-objects with a hyperbolic coating. Laser and Photonics Reviews, 12(11), 1800179. https://doi.org/10.1002/lpor.201800179

The ability to engineer the optical response of a plasmonic nano‐object is highly desired to achieve better control over light–matter interactions. Due to the sensitivity of plasmon resonances to the surrounding media, isotropic dielectric coating is... Read More

From photoinduced to dark cytotoxicity via an octahedral cluster hydrolysis (2018)
Journal Article
Svezhentseva, E. V., Vorotnikov, Y. A., Solovieva, A. O., Pozmogova, T. N., Eltsov, I. V., Ivanov, A. A., …Shestopalov, M. A. (2018). From photoinduced to dark cytotoxicity via an octahedral cluster hydrolysis. Chemistry : a European journal, 24(68), 17915-17920. https://doi.org/10.1002/chem.201804663

Octahedral molybdenum and tungsten clusters have potential biological applications in photodynamic therapy and bioimaging. However, poor solubility and hydrolysis stability of these compounds hinder their application. The first water-soluble photolum... Read More

Conjugated, rod-like viologen oligomers: Correlation of oligomer length with conductivity and photoconductivity (2018)
Journal Article
Chen, L., Vivier, E., Eling, C. J., Babra, T. S., Bouillard, J. S. G., Adawi, A. M., …Greenland, B. W. (2018). Conjugated, rod-like viologen oligomers: Correlation of oligomer length with conductivity and photoconductivity. Synthetic Metals, 241, 31-38. https://doi.org/10.1016/j.synthmet.2018.03.019

© 2018 An iterative synthesis has been used to produce conjugated, monodisperse, viologen-based aromatic oligomers containing up to 12 aromatic/heterocyclic rings. The methoxy-substituted oligomers were soluble in common organic solvents and could be... Read More

Determining molecular orientation via single molecule SERS in a plasmonic nano-gap (2017)
Journal Article
Marshall, A. R. L., Stokes, J., Viscomi, F. N., Proctor, J. E., Gierschner, J., Bouillard, J. G., & Adawi, A. M. (2017). Determining molecular orientation via single molecule SERS in a plasmonic nano-gap. Nanoscale, 9(44), 17415-17421. https://doi.org/10.1039/C7NR05107G

In this work, plasmonic nano-gaps consisting of a silver nanoparticle coupled to an extended silver film have been fully optimized for single molecule Surface-Enhanced Raman Scattering (SERS) spectroscopy. The SERS signal was found to be strongly dep... Read More

Magnetic control of MOF crystal orientation and alignment (2017)
Journal Article
Cheng, F., Marshall, E. S., Young, A. J., Robinson, P. J., Bouillard, J. S. G., Adawi, A. M., …Chin, J. M. (2017). Magnetic control of MOF crystal orientation and alignment. Chemistry : a European journal, 23(62), 15578-15582. https://doi.org/10.1002/chem.201703812

Most metal-organic frameworks (MOFs) possess anisotropic properties, the full exploitation of which necessitates a general strategy for the controllable orientation of such MOF crystals. Current methods largely rely upon layer-by-layer MOF epitaxy or... Read More

Universal switching of plasmonic signals using optical resonator modes (2017)
Journal Article
McPolin, C. P., Olivier, N., Bouillard, J., O'Connor, D. P., Krasavin, A. V., Dickson, W., …Zayats, A. V. (2017). Universal switching of plasmonic signals using optical resonator modes. Light Science & Applications, 6(6), e16237. https://doi.org/10.1038/lsa.2016.237

We propose and investigate, both experimentally and theoretically, a novel mechanism for switching and modulating plasmonic signals based on a Fano interference process, which arises from the coupling between a narrow-band optical Fabry-Pérot cavity... Read More

Dual-modal SERS/fluorescence AuNP probe for mitochondrial imaging (2017)
Journal Article
Eling, C. J., Price, T. W., Marshall, A. R. L., Narda Viscomi, F., Robinson, P., Firth, G., …Stasiuk, G. J. (2017). Dual-modal SERS/fluorescence AuNP probe for mitochondrial imaging. ChemPlusChem, 82(5), 674-680. https://doi.org/10.1002/cplu.201600593

A novel SERS/fluorescent multimodal imaging probe for mitochondria has been synthesised using 12 nm diameter gold nanoparticles (AuNP) surface functionalised with a rhodamine thiol derivative ligand. The normal pH dependant acidic fluorescence of the... Read More

Integrated plasmonic circuitry on a vertical-cavity surface-emitting semiconductor laser platform (2016)
Journal Article
McPolin, C. P., Bouillard, J., Vilain, S., Krasavin, A. V., Dickson, W., O'Connor, D., …Zayats, A. V. (2016). Integrated plasmonic circuitry on a vertical-cavity surface-emitting semiconductor laser platform. Nature communications, 7, (12409). doi:10.1038/ncomms12409. ISSN 2041-1723

Integrated plasmonic sources and detectors are imperative in the practical development of plasmonic circuitry for bio- and chemical sensing, nanoscale optical information processing, as well as transducers for high-density optical data storage. Here... Read More

Boundary effects in finite size plasmonic crystals: Focusing and routing of plasmonic beams for optical communications (2015)
Journal Article
Benetou, M. I., Bouillard, J., Segovia, P., Dickson, W., Thomsen, B. C., Bayvel, P., & Zayats, A. V. (2015). Boundary effects in finite size plasmonic crystals: Focusing and routing of plasmonic beams for optical communications. Nanotechnology, 26(44), doi:10.1088/0957-4484/26/44/444001

Plasmonic crystals, which consist of periodic arrangements of surface features at a metal-dielectric interface, allow the manipulation of optical information in the form of surface plasmon polaritons. Here we investigate the excitation and propagatio... Read More

Shaping plasmon beams via the controlled illumination of finite-size plasmonic crystals (2014)
Journal Article
Bouillard, J., Segovia, P., Dickson, W., Wurtz, G. A., & Zayats, A. V. (2015). Shaping plasmon beams via the controlled illumination of finite-size plasmonic crystals. Scientific reports, 4(1), https://doi.org/10.1038/srep07234

Plasmonic crystals provide many passive and active optical functionalities, including enhanced sensing, optical nonlinearities, light extraction from LEDs and coupling to and from subwavelength waveguides. Here we study, both experimentally and numer... Read More

Near-field hyperspectral optical imaging (2014)
Journal Article
Bouillard, J. S. G., Dickson, W., Wurtz, G. A., & Zayats, A. V. (2014). Near-field hyperspectral optical imaging. Chemphyschem, 15(4), 619-629. doi:10.1002/cphc.201300826

This Minireview presents an overview of near-field hyperspectral imaging and discusses its applications. Based on a fibre-tip probe, the hyperspectral near-field optical microscope allows the simultaneous acquisition of near-field images over a broad... Read More

The room temperature phosphine-free synthesis of near-infrared emitting HgSe quantum dots (2014)
Journal Article
Mirzai, H., Nordin, M. N., Curry, R. J., Bouillard, J., Zayats, A. V., & Green, M. (2014). The room temperature phosphine-free synthesis of near-infrared emitting HgSe quantum dots. Journal of materials chemistry. publ. by The Royal Society of Chemistry. C, Materials for optical and electronic devices /, 2(12), 2107-2111. https://doi.org/10.1039/c4tc00037d

Luminescent mercury selenide (HgSe) quantum dots have been synthesised by a phosphine-free method using oleic acid as a capping agent. The modification of experimental conditions such as temperature resulted in particles of various sizes (15–100 nm)... Read More

Biosynthesis of luminescent quantum dots in an earthworm (2012)
Journal Article
Stürzenbaum, S. R., Höckner, M., Panneerselvam, A., Levitt, J., Bouillard, J. S., Taniguchi, S., …Green, M. (2012). Biosynthesis of luminescent quantum dots in an earthworm. Nature nanotechnology, 8(1), (57-60). doi:10.1038/nnano.2012.232. ISSN 1748-3387

The synthesis of designer solid-state materials by living organisms is an emerging field in bio-nanotechnology. Key examples include the use of engineered viruses as templates for cobalt oxide (Co3O4) particles1, superparamagnetic cobalt–platinum all... Read More