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Non-Fullerene Based Acceptors for Organic Solar Cells
Organic Solar Cells (OSCs) have attracted substantial commercial and scientific interest as they provide a pathway to realizing a renewable energy source that is portable... -
Neutron reflectivity studies on bulk heterojunction (BHJ) thin films
Polymer solar cells (PSCs) open up new perspectives in the solar cell market. The morphology of the active layer of PSCs plays a crucial role on the corresponding devices... -
Probing bulk heterojunction (BHJ) thin films with graded morphologies using SANS
This projects aims to contribute to a better understanding of the relationship between processing conditions, active layer morphology and device performance in polymer solar... -
Zwitterion doped PEDOT:PSS bulk morphology modification as a function of dopi...
We propose to use SANS to study the intra-particle information (size, shape, interactions) of pristine and zwitterion doped PEDOT:PSS in order to have a better understanding of... -
Depth profiling fullerene-free organic solar cell blends using neutron reflec...
In Sheffield, 9% efficient organic solar cells have been made using a new non-fullerene acceptor called ITIC, when blended with semiconducting polymers. GIWAXS measurements have... -
Controlling the morphology of bulk heterojunction (BHJ) films using mixtures ...
We have recently demonstrated that in organic photovoltaic devices (OPVs) the additive 1,8-diiodooctane (DIO) largely remains in the film after spin-coating acting as a... -
Composition depth profiling of novel spray-coated plastic solar cell materials
We propose to study a range of new lower energy gap organic photovoltaic (OPV) materials deposited by spray coating using neutron reflectivity. The new materials to be studied... -
Neutron reflectivity study of the effect of thermal annealing on the morpholo...
This projects aims to contribute to a better understanding of the relationship between processing conditions, active layer morphology and device performance in polymer solar... -
A method to weigh polymer films and adsorbates during neutron reflectivity me...
With the advent of TS-II, there is a drive to probe more complex and multicomponent systems using neutron reflectivity. In such studies, confidence associated with model Nb fits... -
Controlling the morphology of bulk heterojunction (BHJ) films using mixtures ...
Through a combination of small angle neutron scattering, ion-beam analysis and ellipsometry we have recently demonstrated that in organic photovoltaic devices (OPVs) the... -
Using SERGIS, SESANS and NR to probe nanoscale cavities created within templa...
Nanoporous membranes fabricated by polymerization around soluble templates have found many applications in (bio)sensors, charge storage devices, filtration and catalysis.... -
Controlling the morphology of fullerene-free polymer solar cells using additi...
We have recently demonstrated, using neutron reflectivity in combination with other techniques, that in organic photovoltaic devices (OPVs) the additive 1,8-diiodooctane (DIO)... -
A study of hole injection efficiency for a model conjugated bilayer system
Polymer-based electronics have attracted huge interest due to their wide applicability to light emitting diodes, field effect transistors and photovoltaics. The aim of our... -
The Effect of Polydispersity on the Self Assembly of Diblock Copolymers
Block copolymers are of interest due to their ability to undergo microphase separation. Originally block copolymers were produced with a low polydispersity index (PDI) as they...
