Esther Y.-H. Hung

Probing Local Coordination and Halide Miscibility in Single-, Double-, and Triple-Halide Perovskites Using EXAFS

Sonia S. Mulgund, Esther Y.-H. Hung, Leslie Bostwick, Ashley Galbraith et autres

Abstract Lead-halide perovskites are a promising material platform as semiconductors in next-generation solar cells because of their solution processability, defect tolerance, and tunable optoelectronic properties. Mixed iodide–bromide perovskite compositions are attractive as wide-bandgap absorbers but suffer from significant operational instabilities. Incorporation of …

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Fullerene derivative integration controls morphological behaviour and recombination losses in non-fullerene acceptor-based organic solar cells

Apostolos Panagiotopoulos, Kyriakos Almpanidis, Esther Y.-H. Hung, Nikolaos Lempesis et autres

BM-and PCBC6-based ternary cells, respectively. Our results demonstrate that regulation of the morphology of the photo-active layer in OSCs through fullerene incorporation reduces the non-radiative energy loss pathways, enabling high-efficiency, stable and scalable OSCs.

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Author response for "Fullerene derivative integration controls morphological behaviour and recombination losses in non-fullerene acceptor-based organic solar cells"

Apostolos Panagiotopoulos, Kyriakos Almpanidis, Esther Y.-H. Hung, Nikolaos Lempesis et autres

Tailoring a Lead-Free Organic–Inorganic Halobismuthate for Large Piezoelectric Effect

Esther Y.-H. Hung, Benjamin M. Gallant, Robert L. Harniman, Jakob Möbs et autres

High Resolution Image Download MS PowerPoint Slide Molecular piezoelectrics are a potentially disruptive technology, enabling a new generation of self-powered electronics that are flexible, high performing, and inherently low in toxicity. Although significant efforts have been made toward understanding their structural design …

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Author response for "Exposing binding-favourable facets of perovskites for tandem solar cells"

Junke Wang, Shuaifeng Hu, Zehua Chen, Zhongcheng Yuan et autres

Effects of Bi and Sb ion incorporation on the optoelectronic properties of mixed lead–tin perovskites

Florine M. Rombach, Luca Gregori, A. Sidler, James A G Whitworth et autres

Doping lead–tin perovskites with Bi 3+ or Sb 3+ greatly increases non-radiative recombination rates by creating deep traps, even at very low densities. However, Bi 3+ impurities can be easily removed from the perovskite precursor.

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Exposing binding-favourable facets of perovskites for tandem solar cells

Junke Wang, Shuaifeng Hu, Zhongcheng Yuan, Akash Dasgupta et autres

Controlling the growth of polycrystalline perovskite films to achieve a favourable termination can significantly reduce interfacial losses and enhance the output voltage in wide-bandgap and all-perovskite tandem solar cells.

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Towards Commercial Viability: High-Efficiency FAPbI₃ Solar Cells with Solvent Innovations and Stability Enhancements.

Amit Kumar, Manuel Kober‐Czerny, Philippe J. Holzhey, Esther Y.-H. Hung et autres

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A green solvent enables precursor phase engineering of stable formamidinium lead triiodide perovskite solar cells

Benjamin M. Gallant, Philippe J. Holzhey, Joel A. Smith, Saqlain Choudhary et autres

Abstract Perovskite solar cells (PSCs) offer an efficient, inexpensive alternative to current photovoltaic technologies, with the potential for manufacture via high-throughput coating methods. However, challenges for commercial-scale solution-processing of metal-halide perovskites include the use of harmful solvents, the expense of maintaining controlled …

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A novel, lead-free halide perovskite derivative for ferro- and piezo-electric applications

Esther Y.-H. Hung, Harry C. Sansom, Henry James Snaith

A novel, lead-free halide perovskite derivative for ferro- and piezo-electric applicationsEsther Yi-Hang Hung a, Harry Sansom b, Henry Snaith aa Department of Physics, University of Oxford, UKb University of Bristol, School of ChemistryInternational Conference on Hybrid and Organic PhotovoltaicsProceedings of International Conference …

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CCDC 2243417: Experimental Crystal Structure Determination

Elisabeth A. Duijnstee, Benjamin M. Gallant, Philippe J. Holzhey, Dominik J. Kubicki et autres

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, …

CCDC 2243418: Experimental Crystal Structure Determination

Elisabeth A. Duijnstee, Benjamin M. Gallant, Philippe J. Holzhey, Dominik J. Kubicki et autres

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, …