Prof. Ken Ghiggino | ARC Centre of Excellence in Exciton Science

Prof. Ken Ghiggino

Chief Investigator

Ultrafast and Microspectroscopy Laboratories

Ghiggino's group study excitonic processes in various systems including luminescent concentrators, non-coherent light upconversion and light harvesting systems for photovoltaic and artificial photosynthesis applications. He has access to sophisticated spectroscopic equipment including ultrafast transient absorption and fluorescence instrumentation to follow these processes. 

Qualifications: 
DipEd, University of Melbourne 1983
PhD, University of New South Wales 1976
BSc(Hons), University of New South Wales 1973
ORCID iD: 
0000-0001-6621-4
Centre Research Themes: 
1. Excitonic Systems for Solar Energy Conversion
2. Control of Excitons

Publications

Journal Articles
Zheng, F.; Angmo, D.; Hall, C. R.; Rubanov, S.; Yuan, F.; Laird, J. S.; Gao, M.; Smith, T. A.; Ghiggino, K. P. Brownian Tree‐Shaped Dendrites in Quasi‐2D Perovskite Films and Their Impact on Photovoltaic Performance. Advanced Materials Interfaces 2022, 2102231 DOI: 10.1002/admi.202102231. doi: 10.1002/admi.202102231
Othman, M.; Zheng, F.; Seeber, A.; Chesman, A. S. R.; Scully, A. D.; Ghiggino, K. P.; Gao, M.; Etheridge, J.; Angmo, D. Millimeter‐Sized Clusters of Triple Cation Perovskite Enables Highly Efficient and Reproducible Roll‐to‐Roll Fabricated Inverted Perovskite Solar Cells. Advanced Functional Materials 2022, 32 (12), 2110700 DOI: 10.1002/adfm.202110700. doi: 10.1002/adfm.202110700
Schwarz, K. N.; Mitchell, V. D.; Khan, S. - U. - Z.; Lee, C.; Reinhold, A.; Smith, T. A.; Ghiggino, K. P.; Jones, D. J.; Rand, B. P.; Scholes, G. D. Morphological Requirements for Nanoscale Electric Field Buildup in a Bulk Heterojunction Solar Cell. The Journal of Physical Chemistry Letters 2021, 12 (1), 537 - 545 DOI: 10.1021/acs.jpclett.0c03425. doi: 10.1021/acs.jpclett.0c03425
Xu, W. - L.; White, J. M.; Ghiggino, K. P.; Smith, T. A. High fluorescence efficiency of intrinsic ligand-free zero-dimensional Cs4PbBr 6 particles and microcrystals. Journal of Materials Chemistry C 2021, 9 (40), 14371-14377 DOI: 10.1039/D1TC02571F. doi: 10.1039/D1TC02571F
Stevens, A. L.; Yeow, C.; White, J. M.; Bradley, S. J.; Ghiggino, K. P.; Steer, R. P. Electronic spectroscopy and photophysics of calix[4]azulene. Journal of Photochemistry and Photobiology A: Chemistry 2021, 405, 112922 DOI: 10.1016/j.jphotochem.2020.112922. doi: 10.1016/j.jphotochem.2020.112922
Awuku, S.; Bradley, S. J.; Ghiggino, K. P.; Steer, R. P.; Stevens, A. L.; White, J. M.; Yeow, C. Photophysics and Spectroscopy of 1,2-Benzazulene. Chemical Physics Letters 2021, 784, 139114 DOI: 10.1016/j.cplett.2021.139114. doi: 10.1016/j.cplett.2021.139114
O'shea, R.; Kendrick, W. J.; Gao, C.; Owyong, T. Cin; White, J. M.; Ghiggino, K. P.; Wong, W. Revealing the influence of steric bulk on the triplet–triplet annihilation upconversion performance of conjugated polymers. Scientific Reports 2021, 11 (1), 19585 DOI: 10.1038/s41598-021-99179-y. doi: 10.1038/s41598-021-99179-y
Xu, W.; Niu, M.; Yang, X.; Chen, H.; Cai, X.; Smith, T. A.; Ghiggino, K. P.; Hao, X. Chemical vapor deposition growth of phase-selective inorganic lead halide perovskite films for sensitive photodetectors. Chinese Chemical Letters 2021, 32 (1), 489-492 DOI: 10.1016/j.cclet.2020.05.017. doi: 10.1016/j.cclet.2020.05.017
Bradley, S. J.; Chi, M.; White, J. M.; Hall, C. R.; Goerigk, L.; Smith, T. A.; Ghiggino, K. P. The role of conformational heterogeneity in the excited state dynamics of linked diketopyrrolopyrrole dimers. Physical Chemistry Chemical Physics 2021, 23 (15), 9357 - 9364 DOI: 10.1039/D1CP00541C. doi: 10.1039/D1CP00541C
Zheng, F.; Hall, C. R.; Angmo, D.; Zuo, C.; Rubanov, S.; Wen, Z.; Bradley, S. J.; Hao, X.; Gao, M.; Smith, T. A.; et al. A sandwich-like structural model revealed for quasi-2D perovskite films. Journal of Materials Chemistry C 2021, 9 (16), 5362-5372 DOI: 10.1039/D1TC00606A. doi: 10.1039/D1TC00606A
O'shea, R.; Gao, C.; Bradley, S.; Owyong, T. Cin; Wu, N.; White, J. M.; Ghiggino, K. P.; Wong, W. Limitations of conjugated polymers as emitters in triplet–triplet annihilation upconversion. Materials Advances 2021, 2 (23), 7751-7758 DOI: 10.1039/D1MA00684C. doi: 10.1039/D1MA00684C
Masoomi-Godarzi, S.; Hall, C. R.; Zhang, B.; Gregory, M. A.; White, J. M.; Wong, W.; Ghiggino, K. P.; Smith, T. A.; Jones, D. J. Competitive Triplet Formation and Recombination in Crystalline Films of Perylenediimide Derivatives: Implications for Singlet Fission. The Journal of Physical Chemistry C 2020, 124 (21), 11574 - 11585 DOI: 10.1021/acs.jpcc.0c01337. doi: 10.1021/acs.jpcc.0c01337
Zhang, B.; Yang, H.; Warner, T.; Mulvaney, P.; Rosengarten, G.; Wong, W.; Ghiggino, K. P. A luminescent solar concentrator ray tracing simulator with a graphical user interface: features and applications. Methods and Applications in Fluorescence 2020, 8 (3), 037001 DOI: 10.1088/2050-6120/ab993d. doi: 10.1088/2050-6120/ab993d
Xu, M.; Yu, M.; Liu, B.; Lin, J.; Soleimaninejad, H.; Smith, T. A.; Ding, X.; Bai, L.; Han, Y.; Xie, L.; et al. Hierarchical Uniform Crystalline Nanowires of Wide Bandgap Conjugated Polymer for Light-Emitting Optoelectronic Devices. Cell Reports Physical Science 2020, 1 (3), 100029 DOI: 10.1016/j.xcrp.2020.100029. doi: 10.1016/j.xcrp.2020.100029
Stevens, A. L.; Awuku, S.; Ghiggino, K. P.; Hao, Y.; Novakovic, S.; Steer, R. P.; White, J. M. Spectroscopic and Dynamic Properties of Electronically Excited Pendant Porphyrin Polymers with Backbones of Differing Flexibility. The Journal of Physical Chemistry A 2020, 124 (51), 10748 - 10757 DOI: 10.1021/acs.jpca.0c09501,10.1021/acs.jpca.0c09501.s001. doi: 10.1021/acs.jpca.0c09501,10.1021/acs.jpca.0c09501.s001
Xu, W. - L.; Bradley, S. J.; Xu, Y.; Zheng, F.; Hall, C. R.; Ghiggino, K. P.; Smith, T. A. Highly efficient radiative recombination in intrinsically zero-dimensional perovskite micro-crystals prepared by thermally-assisted solution-phase synthesis. RSC Advances 2020, 10 (71), 43579 - 43584 DOI: 10.1039/D0RA08890K. doi: 10.1039/D0RA08890K
Zheng, F.; Zuo, C.; Niu, M.; Zhou, C.; Bradley, S. J.; Hall, C. R.; Xu, W.; Wen, X.; Hao, X.; Gao, M.; et al. Revealing the Role of Methylammonium Chloride for Improving the Performance of 2D Perovskite Solar Cells. ACS Applied Materials & Interfaces 2020, 12 (23), 25980 - 25990 DOI: 10.1021/acsami.0c05714,10.1021/acsami.0c05714.s001. doi: 10.1021/acsami.0c05714,10.1021/acsami.0c05714.s001
Zhang, B.; Lyskov, I.; Wilson, L. J.; Sabatini, R. P.; Manian, A.; Soleimaninejad, H.; White, J. M.; Smith, T. A.; Lakhwani, G.; Jones, D. J.; et al. FRET-enhanced photoluminescence of perylene diimides by combining molecular aggregation and insulation. Journal of Materials Chemistry C 2020, 8 (26), 8953 - 8961 DOI: 10.1039/D0TC02108C. doi: 10.1039/D0TC02108C
Zuo, C.; Scully, A. D.; Tan, W. Liang; Zheng, F.; Ghiggino, K. P.; Vak, D.; Weerasinghe, H.; McNeill, C. R.; Angmo, D.; Chesman, A. S. R.; et al. Crystallisation control of drop-cast quasi-2D/3D perovskite layers for efficient solar cells. Communications Materials 2020, 1 (1), 33 DOI: 10.1038/s43246-020-0036-z. doi: 10.1038/s43246-020-0036-z
Gan, Z.; Wen, X.; Chen, W.; Zhou, C.; Yang, S.; Cao, G.; Ghiggino, K. P.; Zhang, H.; Jia, B. The Dominant Energy Transport Pathway in Halide Perovskites: Photon Recycling or Carrier Diffusion?. Advanced Energy Materials 2019, 9 (20), 1900185 DOI: 10.1002/aenm.201900185. doi: 10.1002/aenm.201900185
Nitneth, D. T.; Hutchison, J. A.; Ghiggino, K. P. Excitonic Processes in a Conjugated Polyelectrolyte Complex. Australian Journal of Chemistry 2019, 73 (3), 164-169 DOI: 10.1071/CH19308. doi: 10.1071/CH19308
Zhang, B.; Gao, C.; Soleimaninejad, H.; White, J. M.; Smith, T. A.; Jones, D. J.; Ghiggino, K. P.; Wong, W. Highly Efficient Luminescent Solar Concentrators by Selective Alignment of Donor–Emitter Fluorophores. Chemistry of Materials 2019, 31 (8), 3001 - 3008 DOI: 10.1021/acs.chemmater.9b00647. doi: 10.1021/acs.chemmater.9b00647
Yu, M. - N.; Lin, J. - Y.; Li, Y. - X.; Soleimaninejad, H.; Ou, C. - J.; Bai, L. - B.; Liu, B.; Liu, W.; Wei, Q.; Bo, Y. - F.; et al. Emission Enhanced and Stabilized by Stereoisomeric Strategy in Hierarchical Uniform Supramolecular Framework. Chem 2019, 5 (9), 2470 - 2483 DOI: 10.1016/j.chempr.2019.06.021. doi: 10.1016/j.chempr.2019.06.021
Bo, Y. - F.; Liu, Y. - Y.; Soleimaninejad, H.; Yu, M. - N.; Xie, L. - H.; Smith, T. A.; Ghiggino, K. P.; Huang, W. Photophysical Identification of Three Kinds of Low-Energy Green Band Defects in Wide-Bandgap Polyfluorenes. The Journal of Physical Chemistry A 2019, 123 (13), 2789 - 2795 DOI: 10.1021/acs.jpca.9b00188. doi: 10.1021/acs.jpca.9b00188
Bi, P. Qing; Hall, C. R.; Yin, H.; So, S. Kong; Smith, T. A.; Ghiggino, K. P.; Hao, X. Resolving the Mechanisms of Photocurrent Improvement in Ternary Organic Solar Cells. The Journal of Physical Chemistry C 2019, 123 (30), 18294-18302 DOI: 10.1021/acs.jpcc.9b06267. doi: 10.1021/acs.jpcc.9b06267
Zhang, B.; Zhao, P.; Wilson, L. J.; Subbiah, J.; Yang, H.; Mulvaney, P.; Jones, D. J.; Ghiggino, K. P.; Wong, W. High-Performance Large-Area Luminescence Solar Concentrator Incorporating a Donor–Emitter Fluorophore System. ACS Energy Letters 2019, 4 (8), 1839 - 1844 DOI: 10.1021/acsenergylett.9b01224. doi: 10.1021/acsenergylett.9b01224
Soleimaninejad, H.; Ghiggino, K. P.; Smith, T. A.; Paige, M. F. Fluorescence anisotropy imaging of a polydiacetylene photopolymer film. Canadian Journal of Chemistry 2019, 97 (6), 422-429 DOI: 10.1139/cjc-2018-0360. doi: 10.1139/cjc-2018-0360
Zheng, F.; Chen, W.; Bu, T.; Ghiggino, K. P.; Huang, F.; Cheng, Y.; Tapping, P.; Kee, T. W.; Jia, B.; Wen, X. Triggering the Passivation Effect of Potassium Doping in Mixed‐Cation Mixed‐Halide Perovskite by Light Illumination. Advanced Energy Materials 2019, 9 (24), 1901016 DOI: 10.1002/aenm.201901016. doi: 10.1002/aenm.201901016
Zhang, B.; Banal, J. L.; Jones, D. J.; Tang, B. Zhong; Ghiggino, K. P.; Wong, W. Aggregation-induced emission-mediated spectral downconversion in luminescent solar concentrators. Materials Chemistry Frontiers 2018, 2 (3), 615 - 619 DOI: 10.1039/C7QM00598A. doi: 10.1039/C7QM00598A
Lv, C. - K.; Zheng, F.; Yang, X. - Y.; Bi, P. - Q.; Niu, M. - S.; Wang, Y. - Z.; Smith, T. A.; Ghiggino, K. P.; Hao, X. Optimizing the Crystallinity and Phase Separation of PTB7:PC 71 BM Films by Modified Graphene Oxide. The Journal of Physical Chemistry C 2018, 122 (5), 2572 - 2581 DOI: 10.1021/acs.jpcc.7b11726. doi: 10.1021/acs.jpcc.7b11726
Stevens, A. L.; Novakovic, S.; White, J. M.; Wong, W.; Smith, T. A.; Ghiggino, K. P.; Paige, M. F.; Steer, R. P. Exciton Dynamics of Photoexcited Pendant Porphyrin Polymers in Solution and in Thin Films. The Journal of Physical Chemistry A 2018, 122 (50), 9605–9614 DOI: 10.1021/acs.jpca.8b09321. doi: 10.1021/acs.jpca.8b09321
Banal, J. L.; Zhang, B.; Jones, D. J.; Ghiggino, K. P.; Wong, W. Emissive Molecular Aggregates and Energy Migration in Luminescent Solar Concentrators. Accounts of Chemical Research 2017, 50 (1), 49 - 57 DOI: 10.1021/acs.accounts.6b00432. doi: 10.1021/acs.accounts.6b00432
Breukers, R. D.; Smith, G. J.; Stirrat, H. L.; Swanson, A. J.; Smith, T. A.; Ghiggino, K. P.; Raymond, S. G.; Winch, N. M.; Clarke, D. J.; Kay, A. J. Light losses from scattering in luminescent solar concentrator waveguides. Applied Optics 2017, 56 (10), 2630-2635 DOI: 10.1364/AO.56.002630. doi: 10.1364/AO.56.002630
Zheng, F.; Yang, X. - Y.; Bi, P. - Q.; Niu, M. - S.; Lv, C. - K.; Feng, L.; Hao, X.; Ghiggino, K. P. Improved compatibility of DDAB-functionalized graphene oxide with a conjugated polymer by isocyanate treatment. RSC Advances 2017, 7 (29), 17633 - 17639 DOI: 10.1039/C6RA28652F. doi: 10.1039/C6RA28652F
Xu, W. - L.; Niu, M. - S.; Yang, X. - Y.; Bi, P. - Q.; Zhang, K. - N.; Xiong, C.; Yuan, H. - C.; Smith, T. A.; Ghiggino, K. P.; Hao, X. Spatially Resolved Photophysical Dynamics in Perovskite Microplates Fabricated Using an Antisolvent Treatment. The Journal of Physical Chemistry C 2017, 121 (47), 26250 - 26255 DOI: 10.1021/acs.jpcc.7b09844. doi: 10.1021/acs.jpcc.7b09844
Rautela, R.; Joshi, N. K.; Novakovic, S.; Wong, W.; White, J. M.; Ghiggino, K. P.; Paige, M. F.; Steer, R. P. Determinants of the efficiency of photon upconversion by triplet–triplet annihilation in the solid state: zinc porphyrin derivatives in PVA. Physical Chemistry Chemical Physics 2017, 19 (34), 23471 - 23482 DOI: 10.1039/C7CP04746K. doi: 10.1039/C7CP04746K
Zheng, F.; Yang, X. - Y.; Bi, P. - Q.; Niu, M. - S.; Lv, C. - K.; Feng, L.; Qin, W.; Wang, Y. - Z.; Hao, X.; Ghiggino, K. P. Poly(3-hexylthiophene) coated graphene oxide for improved performance of bulk heterojunction polymer solar cells. Organic Electronics 2017, 44, 149 - 158 DOI: 10.1016/j.orgel.2017.02.021. doi: 10.1016/j.orgel.2017.02.021
Zhang, B.; Soleimaninejad, H.; Jones, D. J.; White, J. M.; Ghiggino, K. P.; Smith, T. A.; Wong, W. Highly Fluorescent Molecularly Insulated Perylene Diimides: Effect of Concentration on Photophysical Properties. Chemistry of Materials 2017, 29 (19), 8395 - 8403 DOI: 10.1021/acs.chemmater.7b02968. doi: 10.1021/acs.chemmater.7b02968