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Ligand conformation at semiconductor nanoparticle surfaces for high-efficienc...
The efficiency of silicon solar cells is limited to 29%. One possible way of breaking this limit uses a process called singlet fission, converting a high energy photon into two... -
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 the bulk morphology of fullerene-free organic solar cell blends using...
The aim of this project is to develop an understanding of the relationships between the processing, nanoscale structure and device performance of bulk heterojunction,... -
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... -
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)... -
Aggregation effects on long length scales in solutions for organic photovolta...
Solar cell materials are routinely used in many applications and many studies are ongoing which have three principle objectives. To increase the efficiency, reduce the cost 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... -
Probing the bulk morphology of fullerene-free organic solar cell blends using...
The aim of this project is to develop an understanding of the relationships between the processing, nanoscale structure and device performance of bulk heterojunction,... -
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... -
Structural Characterization of Carbon Molecular Sieve Membranes using Neutrons
This dataset has no description
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Searching for a core-shell or multi shell structure in Stöber silica particles
We want to measure the SESANS from a series of large ~1 micron silica particles formed using the multistage Stöber method. The reason for this is to determine if we can see the... -
Controlling the morphology of fullerene-free polymer solar cells using additi...
We have recently demonstrated, using small angle neutron scattering in combination with other techniques, that in organic photovoltaic devices (OPVs) the additive... -
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... -
Solid state processing of conjugated polymer-fullerene blends
Blends of fullerenes with conjugated polymers (CP), such as PCBM-P3HT blends, are being extensively investigated for polymer photovoltaic applications. We have been studying the... -
Ligand conformation at semiconductor nanoparticle surfaces for high-efficienc...
The efficiency of silicon solar cells is limited to 29%. One possible way of breaking this limit uses a process called singlet fission, converting a high energy photon into two... -
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... -
Charge transport in PffBT4T-2OD and in the PffBT4T-2OD:PC71BM composite: a mu...
PffBT4T-2OD is one of the most recent and most successful low bandgap conjugated polymers used in organic photovoltaics - PffBT4T-2OD based OPV devices have power conversion... -
Controlling the morphology of fullerene-free polymer solar cells using additi...
We have recently demonstrated, using small angle neutron scattering in combination with other techniques, that in organic photovoltaic devices (OPVs) the additive... -
Aggregation effects on long length scales in solutions for organic photovolta...
Solar cell materials are routinely used in many applications and many studies are ongoing which have three principle objectives. To increase the efficiency, reduce the cost of... -
Aggregation effects in ink solutions for organic photovoltaic devices
In organic solar cells the efficiency can be increased by using an additive. However in organic photovoltaics what the use of additives does to the underlying structure is not...
