APPLICATIONS: High efficiency solar cells ABSTRACT: Berkeley Lab researchers led by Wladek Walukiewicz have developed a photovoltaic (PV) device having three-dimensional (3D) charge separation and collection where charge separation occurs in 3D depletion regions formed between p-type doped group III-nitride materials in the PV device and intrinsic structural … [Read more...] about Photovoltaic Device with 3D Charge Separation and Collection 2016-163
Semiconductors
Hybrid Photo-electrochemical and Photovoltaic (HPEV) Cells 2016-177
APPLICATIONS OF TECHNOLOGY: Solar cells Solar fuel systems Electricity production ADVANTAGES: Increases overall system efficiency Enables on-demand fuel or electricity production Decouples the photovoltaic performance from the cell’s chemical reaction ABSTRACT: Solar water splitting may yield a production method of clean renewable fuels. However, … [Read more...] about Hybrid Photo-electrochemical and Photovoltaic (HPEV) Cells 2016-177
Enhanced UV Photon Capture in Ligand-Sensitized Nanocrystals 2016-035
APPLICATIONS OF TECHNOLOGY: Photovoltaics ADVANTAGES: 1,000X light absorption enhancement Drop in replacement for lanthanide nanoparticles Higher UV absorption without effect on downconversion or reemission ABSTRACT: Berkeley Lab researchers Peter Agbo and Rebecca Abergel have improved the efficiency of downconverting lanthanide nanoparticles by using … [Read more...] about Enhanced UV Photon Capture in Ligand-Sensitized Nanocrystals 2016-035
Direct Growth of Single Crystalline III-V Semiconductors on Amorphous Substrates 2016-037
APPLICATIONS OF TECHNOLOGY: High performance solar cells Electronic and optoelectronic devices, e.g., transistors, photodetectors, lasers ADVANTAGES: Less costly and complex than current methods Growth on amorphous substrates Applicable to a range of III-V materials ABSTRACT: A Berkeley Lab team of researchers led by Ali Javey has developed a … [Read more...] about Direct Growth of Single Crystalline III-V Semiconductors on Amorphous Substrates 2016-037
Nanocrystal Solar Cells Processed from Solution IB-2116
APPLICATIONS: Photovoltaic devices ADVANTAGES: Promises good efficiency and reliable stability compared to earlier nanocrystal solar cells Nanocrystal films exhibit extremely low carrier concentrations and high trap densities as well as confined excitations that can migrate between crystals ABSTRACT: A solar cell having a first electrode layer, a high … [Read more...] about Nanocrystal Solar Cells Processed from Solution IB-2116