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- 1Bandgap Engineering
- 1CO2 photoreduction
- 1Carbon dioxide photoreduction
- 1FDTD simulations
- 1Finite-difference time-domain simulation
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2018-07-22
Kar, Piyush;, Zeng, Sheng;, Zhang, Yun; Vahidzadeh, Ehsan;, Manuel, Ajay P.;, Kisslinger, Ryan;, Alam, Kazi M,;, Thakur, Ujwal K.,, Mahdi, Najia;, Kumar, Pawan;, Shankar, Karthik
The photocatalytic reduction of CO2 into light hydrocarbons using sunlight and water is a challenging reaction involving eight electron transfer steps; nevertheless, it has great potential to address the problem of rising anthropogenic carbon emissions and enable the use of fossil fuels in a...
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Nanophotonic Enhancement and Improved Electron Extraction in Perovskite Solar Cells Using Near-Horizontally Aligned TiO2 Nanorods
Download2018-11-18
Thakur, Ujwal K., Zeng, Sheng, Kumar, Pawan, Patel, Sahil, Kisslinger, Ryan, Zhang, Yun, Kar, Piyush, Goswami, Ankur, Thundat, Thomas, Meldrum, Alkiviathes, Shankar, Karthik
While vertically oriented metal oxide nanowires have been intensely researched for use as electron transport layers (ETLs) in halide perovskite solar cells (HPSCs), horizontal nanowires (oriented roughly parallel to the substrate) have received much less attention despite their higher photonic...
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2018-04-21
Kumar, Pawan, Boukherroub, Rabah, Shankar, Karthik
The overwhelming challenge of depleting fossil fuels and anthropogenic carbon emissions has driven research into alternative clean sources of energy. To achieve the goal of a carbon neutral economy, the harvesting of sunlight by using photocatalysts to split water into hydrogen and oxygen is an...
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Vapor Deposition of Semiconducting P Allotropes into TiO2 Nanotube Arrays for Photo-Electrocatalytic Water Splitting
Download2019-05-07
Üzer, Ebru, Kumar, Pawan, Kisslinger, Ryan, Kar, Piyush, Thakur, Ujwal K., Zeng, Sheng, Shankar, Karthik, Nilges, Tom
Recent evidence of exponential environmental degradation will demand a drastic shift in research and development towards exploiting alternative energy resources such as solar energy. Here, we report the successful low-cost and easily accessible synthesis of hybrid semiconductor@TiO2 nanotube...