J. A. Ott
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View article: Micro‐Photovoltaics: Dust‐Sized High‐Power‐Density Photovoltaic Cells on Si and SOI Substrates for Wafer‐Level‐Packaged Small Edge Computers (Adv. Mater. 49/2020)
Micro‐Photovoltaics: Dust‐Sized High‐Power‐Density Photovoltaic Cells on Si and SOI Substrates for Wafer‐Level‐Packaged Small Edge Computers (Adv. Mater. 49/2020) Open
Advancement in microelectronics technology enables autonomous edge computing platforms the size of a dust mote. In article number 2004573, Ning Li and co-workers show that dust-sized photovoltaic cells on a Si substrate can be integrated u…
View article: Layer transfer of bulk gallium nitride by controlled spalling
Layer transfer of bulk gallium nitride by controlled spalling Open
Successful wafer-scale layer transfer from high-quality 2-in. diameter bulk gallium nitride substrates was demonstrated using the Controlled Spalling technique. The crystal quality of both the as-fractured bulk substrate and the spalled Ga…
View article: A Review on Interface Engineering and Thin Film Nanotechnology for Low‐Cost High Efficient Photovoltaic ( <scp>PV</scp> ) Solar Cell Devices
A Review on Interface Engineering and Thin Film Nanotechnology for Low‐Cost High Efficient Photovoltaic ( <span>PV</span> ) Solar Cell Devices Open
Currently, the major challenge of the research and development (R&D) in the field of Photovoltaic (PV) renewable energy is to lower the cost per Wp of electricity generation and to improve the conversion efficiency of the solar cell device…
View article: Photovoltaic Device with over 5% Efficiency Based on an n‐Type Ag<sub>2</sub>ZnSnSe<sub>4</sub> Absorber
Photovoltaic Device with over 5% Efficiency Based on an n‐Type Ag<sub>2</sub>ZnSnSe<sub>4</sub> Absorber Open
The kesterite material Cu 2 ZnSn(S,Se) 4 (CZTSSe) is an attractive earth‐abundant semiconductor for photovoltaics. However, the power conversion efficiency is limited by a large density of I–II antisite defects, which cause severe band tai…