David Jones

Identifying the Signatures of Intermolecular Interactions in Blends of PM6 with Y6 and N4 Using Absorption Spectroscopy

D Kroh, F Eller, K Schötz, S Wedler, L Perdigón-Toro, G Freychet, Q Wei, M Dörr, D Jones, Y Zou, EM Herzig, D Neher, A Köhler

Journal article  |  2022  |  Advanced Functional Materials

In organic solar cells, the resulting device efficiency depends strongly on the local morphology and intermolecular interactions o..

Power losses in conventional and inverted non-polymeric donor:fullerene bulk heterojunction solar cells-The role of vertical phase separation in BQR:PC71BM blends

Hui Jin, Xiao Wang, Ronan Chu, Jegadesan Subbiah, David J Jones, Andrew RJ Nelson, Ian R Gentle, Paul L Burn, Paul E Shaw

Journal article  |  2022  |  ORGANIC ELECTRONICS

The performance of bulk heterojunction (BHJ) organic solar cells can be affected by a range of factors including the materials com..

One-Pot Synthesis of Fully Conjugated Amphiphilic Block Copolymers Using Asymmetrically Functionalized Push-Pull Monomers

Gagandeep Ahluwalia, Jegadesan Subbiah, Valerie D Mitchell, Nicolau Saker Neto, David J Jones

Journal article  |  2022  |  MACROMOLECULES

Developing a fully conjugated block copolymer with a specific molecular weight and block ratio is crucial for understanding the im..

Phase Transition Modulation and Defect Suppression in Perovskite Solar Cells Enabled by a Self-Sacrificed Template

Zhuang Xiong, Shanshan Chen, Pengjun Zhao, Yongjoon Cho, George Omololu Odunmbaku, Yujie Zheng, David J Jones, Changduk Yang, Kuan Sun

Journal article  |  2021  |  SOLAR RRL

Tunable crystal growth offering highly aligned perovskite crystallites with suppressed deep-level defects is vital for efficient c..

Pyridine End-Capped Polymer to Stabilize Organic Nanoparticle Dispersions for Solar Cell Fabrication through Reversible Pyridinium Salt Formation

Sonam Saxena, Philipp Marlow, Jegadesan Subbiah, Alexander Colsmann, Wallace WH Wong, David J Jones

Journal article  |  2021  |  ACS APPLIED MATERIALS & INTERFACES

Bulk-heterojunction nanoparticle dispersions in water or alcohol can be employed as eco-friendly inks for the fabrication of organ..

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..

Effect of Side-Chain Modification on the Active Layer Morphology and Photovoltaic Performance of Liquid Crystalline Molecular Materials

Jegadesan Subbiah, Calvin J Lee, Valerie D Mitchell, David J Jones

Journal article  |  2021  |  ACS APPLIED MATERIALS & INTERFACES

Controlling the nanoscale morphology of the photoactive layer by fine-tuning the molecular structure of semiconducting organic mat..

Experimental Evidence Relating Charge-Transfer-State Kinetics and Strongly Reduced Bimolecular Recombination in Organic Solar Cells

Nasim Zarrabi, Oskar J Sandberg, Christina Kaiser, Jegadesan Subbiah, David J Jones, Paul Meredith, Ardalan Armin

Journal article  |  2020  |  JOURNAL OF PHYSICAL CHEMISTRY LETTERS

Significantly reduced bimolecular recombination relative to the Langevin recombination rate has been observed in a limited number ..

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 ..

Competitive Triplet Formation and Recombination in Crystalline Films of Perylenediimide Derivatives: Implications for Singlet Fission

Saghar Masoomi-Godarzi, Christopher R Hall, Bolong Zhang, Mark A Gregory, Jonathan M White, Wallace WH Wong, Kenneth P Ghiggino, Trevor A Smith, David J Jones

Journal article  |  2020  |  JOURNAL OF PHYSICAL CHEMISTRY C

Developing photostable compounds that undergo quantitative singlet fission (SF) is a key challenge. As SF necessitates electron tr..