Publications

Abstract Aromaticity and antiaromaticity are foundational principes in organic chemistry, regularly invoked to explain stability, …

Zinc norcorrole was prepared as its pyridine complex (ZnNc·pyridine) by metalation of freebase norcorrole. The ZnNc·pyridine complex is …

When oxidized, cycloparaphenylenes and porphyrin nanorings can exhibit macrocyclic ring currents which have been used to assign these …

Magnetic field-induced ring currents in aromatic and antiaromatic molecules cause characteristic shielding and deshielding effects in …

Electronic delocalization is essential to the properties of π-conjugated molecules. We introduce the inter-fragment delocalization …

Molecular photoswitches capable of generating precise pH changes will allow pH-dependent processes to be controlled remotely and …

The ring currents of aromatic and antiaromatic molecules are remarkable emergent phenomena. A ring current is a quantum-mechanical …

The magneto-optical phenomenon known as Faraday rotation involves the rotation of plane-polarized light as it passes through an optical …

Does aromaticity have a size limit? Evidence is presented for global aromaticity in porphyrin nanorings with circuits of up to 162 …

Break down of the Born–Oppenheimer approximation is caused by mixing of electronic and vibrational transitions in the radical cations …

The design of molecular structures inspired by naturally occuring light harvesting systems has been intensely pursued over the last …

Linear porphyrin oligomers have found various applications as synthetic molecular wires in the context of light harvesting, solar …

Aromaticity can be a useful concept for predicting the behavior of excited states. Here we show that π-conjugated porphyrin nanorings …

In antiaromatic molecules, single and double bonds interconvert via a process called bond-shift valence tautomerization, which is often …

Orthogonal functionalization of 2D materials by selective assembly at interfaces provides opportunities to create new materials with …

Doping, through oxidation or reduction, is often used to modify the properties of π-conjugated oligomers. In most cases, the resulting …

Recent progress in the synthesis of π-conjugated porphyrin arrays of different shapes and dimensionalities motivates us to examine the …

Investigations of magnetism in electronically coupled polyradicals have largely focused on applications in photonic and magnetic …

Materials with magneto-optic (MO) properties have enabled critical fiber-optic applications and highly sensitive magnetic field …

We report the template-directed synthesis of a π-conjugated 14-porphyrin nanoball. This structure consists of two intersecting …

We compare the absorption and magnetic circular dichroism (MCD) spectra of a series of porphyrin oligomers – dimer, tetramer, and …

The radical cations of a family of π-conjugated porphyrin arrays have been investigated: linear chains of N = 1–6 porphyrins, a …

Linear π-conjugated porphyrin oligomers are of significant current interest due to their potential applications as molecular wires. In …

Quantum interference in charge transport is attracting interest with applications in nanoelectronics and quantum computing. Here, the …

Aromatic and antiaromatic molecules—which have delocalized circuits of [4n + 2] or [4n] electrons, respectively—exhibit ring currents …

Introducing bridging ligands such as DABCO to solutions of linear zinc porphyrin oligomers has previously been shown to lead to the …

Solution-state NMR spectroscopy remains the primary method for characterising synthetic supramolecular assemblies. Yet, in their NMR …

The barrier to torsional rotation in a butadiyne-linked porphyrin dimer has been determined in solution using variable temperature …

The smallest and most strained member of a family of π-conjugated cyclic porphyrin oligomers was synthesized by using pentapyridyl …

Excitation wavelength-dependent EPR and ENDOR reveal localization of the triplet state in twisted conformations of porphyrin oligomers.

The photoexcited triplet states of a series of linear and cyclic butadiyne-linked porphyrin oligomers were investigated by transient …

We have used single-crystal X-ray diffraction and time-resolved UV–NIR–IR absorption spectroscopy to gain insights into the structures …