Photochemistry in a capsule: controlling excited state dynamics via confinement

V Ramamurthy - Chemical Communications, 2022 - pubs.rsc.org
Exerting control on excited state processes has been a long-held goal in photochemistry.
One approach to achieve control has been to mimic biological systems in Nature (eg …

Ultrafast excited state dynamics of spatially confined organic molecules

V Ramamurthy, P Sen, CG Elles - The Journal of Physical …, 2022 - ACS Publications
This Feature Article highlights the role of spatial confinement in controlling the fundamental
behavior of molecules. Select examples illustrate the value of using space as a tool to …

Unexpectedly high cross-plane thermoelectric performance of layered carbon nitrides

Z Ding, M An, S Mo, X Yu, Z Jin, Y Liao… - Journal of materials …, 2019 - pubs.rsc.org
Organic thermoelectric (TE) materials provide a brand new perspective to search for high-
efficiency TE materials, due to their low thermal conductivity. The overlap of pz orbitals …

Radical reactions in cavitands unveil the effects of affinity on dynamic supramolecular systems

M Petroselli, V Angamuthu, FU Rahman… - Journal of the …, 2020 - ACS Publications
Radical reduction of alkyl halides and aerobic oxidation of alkyl aromatics are reported
using water-soluble container compounds (1 and 2). The reductions involve α, ω-dihalides …

Marcus relationship maintained during ultrafast electron transfer across a supramolecular capsular wall

A Das, N Kamatham, A Mohan Raj, P Sen… - The Journal of …, 2020 - ACS Publications
Photoinduced electron transfer across an organic capsular wall between excited donors and
ground-state acceptors is established to occur with rate constants varying in the range 0.32 …

Ultrafast electron transfer across a nanocapsular wall: coumarins as donors, viologen as acceptor, and octa acid capsule as the mediator

CH Chuang, M Porel, R Choudhury… - The Journal of …, 2018 - ACS Publications
Results of our study on ultrafast electron transfer (eT) dynamics from coumarins (coumarin-1,
coumarin-480, and coumarin-153) incarcerated within octa acid (OA) capsules as electron …

Ultrafast solvation dynamics reveal that octa acid capsule's interior dryness depends on the guest

A Das, G Sharma, N Kamatham… - The Journal of …, 2019 - ACS Publications
Coumarins are well-known to exhibit environment-dependent excited-state behavior. We
have exploited this feature to probe the accessibility of solvent water molecules to coumarins …

Room-temperature phosphorescence from encapsulated pyrene induced by xenon

A Mohan Raj, G Sharma, R Prabhakar… - The Journal of …, 2019 - ACS Publications
Phosphorescence from pyrene especially at room temperature is uncommon. This emission
was recorded utilizing a supramolecular organic host and the effect due to the heavy atom …

Reversible Photoisomerization of Norbornadiene‐Quadricyclane within a Confined Capsule

A Pradeep, R Varadharajan… - Photochemistry and …, 2023 - Wiley Online Library
With the desire to develop a sustainable green method to store and release solar energy via
a chemical reaction, we have examined the well‐investigated norbornadiene‐quadricyclane …

Remote electron and energy transfer sensitized photoisomerization of encapsulated stilbenes

R Varadharajan, AM Raj, V Ramamurthy - … & Photobiological Sciences, 2020 - Springer
Excited state chemistry and physics of molecules, in addition to their inherent electronic and
steric features, depend on their immediate microenvironments. This study explores the …