Ken Ghiggino

The role of conformational heterogeneity in the excited state dynamics of linked diketopyrrolopyrrole dimers dagger

Siobhan J Bradley, Ming Chi, Jonathan M White, Christopher R Hall, Lars Goerigk, Trevor A Smith, Kenneth P Ghiggino

Journal article  |  2021  |  PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Diketopyrrolopyrrole (DPP) derivatives have been proposed for both singlet fission and energy upconversion as they meet the energe..

A sandwich-like structural model revealed for quasi-2D perovskite films dagger

Fei Zheng, Christopher R Hall, Dechan Angmo, Chuantian Zuo, Sergey Rubanov, Zhenchuan Wen, Siobhan J Bradley, Xiao-Tao Hao, Mei Gao, Trevor A Smith, Kenneth P Ghiggino

Journal article  |  2021  |  JOURNAL OF MATERIALS CHEMISTRY C

The excellent performance and stability of perovskite solar cells (PSCs) based on quasi-2D Ruddlesden-Popper perovskites (RPPs) ho..

Electronic spectroscopy and photophysics of calix[4]azulene

Amy L Stevens, Colleen Yeow, Jonathan M White, Siobhan J Bradley, Kenneth P Ghiggino, Ronald P Steer

Journal article  |  2021  |  JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY

Calix[4]azulene is a non-alternant aromatic calixarene composed of four azulene chromophores linked by methylene groups. Its photo..

Morphological Requirements for Nanoscale Electric Field Buildup in a Bulk Heterojunction Solar Cell

Kyra N Schwarz, Valerie D Mitchell, Saeed-Uz-Zaman Khan, Calvin Lee, Adam Reinhold, Trevor A Smith, Kenneth P Ghiggino, David J Jones, Barry P Rand, Gregory D Scholes

Journal article  |  2021  |  JOURNAL OF PHYSICAL CHEMISTRY LETTERS

The morphology of organic semiconductors is critical to their function in optoelectronic devices and is particularly crucial in th..

Chemical vapor deposition growth of phase-selective inorganic lead halide perovskite films for sensitive photodetectors

Weilong Xu, Mengsi Niu, Xiaoyu Yang, Haiyue Chen, Xiaohong Cai, Trevor A Smith, Kenneth P Ghiggino, Xiaotao Hao

Journal article  |  2021  |  CHINESE CHEMICAL LETTERS

Inorganic lead halide perovskites are attractive optoelectronic materials owing to their relative stability compared to organic ca..

Spectroscopic and Dynamic Properties of Electronically Excited Pendant Porphyrin Polymers with Backbones of Differing Flexibility

Amy L Stevens, Stephen Awuku, Kenneth P Ghiggino, Ying Hao, Sacha Novakovic, Ronald P Steer, Jonathan M White

Journal article  |  2020  |  JOURNAL OF PHYSICAL CHEMISTRY A

A zinc porphyrin-pendant norbornene polymer with a rigid backbone characterized by a 2:1 E/Z isomeric structure ratio has been syn..

Highly efficient radiative recombination in intrinsically zero-dimensional perovskite micro-crystals prepared by thermally-assisted solution-phase synthesis

Wei-Long Xu, Siobhan J Bradley, Yang Xu, Fei Zheng, Christopher R Hall, Kenneth P Ghiggino, Trevor A Smith

Journal article  |  2020  |  RSC ADVANCES

Zero-dimensional (0D) quantum confinement can be achieved in perovskite materials by the confinement of electron and hole states t..

FRET-enhanced photoluminescence of perylene diimides by combining molecular aggregation and insulation

Bolong Zhang, Igor Lyskov, Lachlan J Wilson, Randy P Sabatini, Anjay Manian, Hamid Soleimaninejad, Jonathan M White, Trevor A Smith, Girish Lakhwani, David J Jones, Kenneth P Ghiggino, Salvy P Russo, Wallace WH Wong

Journal article  |  2020  |  Journal of Materials Chemistry C

The photoluminescence quantum yield (ϕPL) of perylene diimide derivatives (PDIs) is often limited by aggregation caused quenching ..

A luminescent solar concentrator ray tracing simulator with a graphical user interface: features and applications

Bolong Zhang, Hanbo Yang, Timothy Warner, Paul Mulvaney, Gary Rosengarten, Wallace WH Wong, Kenneth P Ghiggino

Journal article  |  2020  |  METHODS AND APPLICATIONS IN FLUORESCENCE

A Monte-Carlo ray tracing simulator with a graphical user interface (MCRTS-GUI) has been developed to provide a quantitative descr..

Revealing the Role of Methylammonium Chloride for Improving the Performance of 2D Perovskite Solar Cells

Fei Zheng, Chuantian Zuo, Mengsi Niu, Chunhua Zhou, Siobhan J Bradley, Christopher R Hall, Weilong Xu, Xiaoming Wen, Xiaotao Hao, Mei Gao, Trevor A Smith, Kenneth P Ghiggino

Journal article  |  2020  |  ACS Applied Materials and Interfaces

Layered perovskite films, composed of two-dimensional (2D) Ruddlesden–Popper perovskites (RPPs), show improved stability compared ..