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Title: Introducing Perovskite Solar Cells to Undergraduates

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  1. Argonne−Northwestern Solar Energy Research (ANSER) Center and Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Argonne-Northwestern Solar Energy Research Center (ANSER)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
DOE Contract Number:
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Physical Chemistry Letters; Journal Volume: 6; Journal Issue: 2; Related Information: ANSER partners with Northwestern University (lead); Argonne National Laboratory; University of Chicago; University of Illinois, Urbana-Champaign; Yale University
Country of Publication:
United States
catalysis (homogeneous), catalysis (heterogeneous), solar (photovoltaic), solar (fuels), photosynthesis (natural and artificial), bio-inspired, hydrogen and fuel cells, electrodes - solar, defects, charge transport, spin dynamics, membrane, materials and chemistry by design, optics, synthesis (novel materials), synthesis (self-assembly)

Citation Formats

Patwardhan, Sameer, Cao, Duyen H., Hatch, Shelby, Farha, Omar K., Hupp, Joseph T., Kanatzidis, Mercouri G., and Schatz, George C. Introducing Perovskite Solar Cells to Undergraduates. United States: N. p., 2015. Web. doi:10.1021/jz502648y.
Patwardhan, Sameer, Cao, Duyen H., Hatch, Shelby, Farha, Omar K., Hupp, Joseph T., Kanatzidis, Mercouri G., & Schatz, George C. Introducing Perovskite Solar Cells to Undergraduates. United States. doi:10.1021/jz502648y.
Patwardhan, Sameer, Cao, Duyen H., Hatch, Shelby, Farha, Omar K., Hupp, Joseph T., Kanatzidis, Mercouri G., and Schatz, George C. 2015. "Introducing Perovskite Solar Cells to Undergraduates". United States. doi:10.1021/jz502648y.
title = {Introducing Perovskite Solar Cells to Undergraduates},
author = {Patwardhan, Sameer and Cao, Duyen H. and Hatch, Shelby and Farha, Omar K. and Hupp, Joseph T. and Kanatzidis, Mercouri G. and Schatz, George C.},
abstractNote = {},
doi = {10.1021/jz502648y},
journal = {Journal of Physical Chemistry Letters},
number = 2,
volume = 6,
place = {United States},
year = 2015,
month = 1
  • Research on career development clearly indicates that active participation in research projects at the under-graduate level is one of the most important factors contributing to recruitment and retention of students in scientific careers. Furthermore, the establishment of research mentoring relationships with experienced scientists serves to develop graduate students` aspirations for research careers. In recognition of the important role that hands-on research experience plays in the career development of undergraduate science students, the US Department of Energy (DOE) Student Research Participation (SRP) program was instituted in 1979 to encourage undergraduate students to seek advanced degrees in scientific areas of interest tomore » DOE. The SRP program provides undergraduate students with hand-on training in energy-related research areas, often using equipment not available on college and university campuses. Students participate in the research under the guidance of a senior staff member at a DOE facility. Long-term SRP program effects were investigated through a follow-up of former participants administered in the summer of 1993. Offices at various DOE facilities administering the 1985 SRP program provided permanent addresses for 579 individuals. The survey was mailed to this group of students in June 1993. This paper discusses the results from this survey and the conclusions from evaluating the SRP program.« less
  • Silicon-based tandem solar cells can overcome the efficiency limit of single junction silicon solar cells. Perovskite solar cells are particularly promising as a top cell in monolithic tandem devices due to their rapid development towards high efficiencies, a tunable band gap with a sharp optical absorption edge and a simple production process. In monolithic tandem devices, the perovskite solar cell is deposited directly on the silicon cell, requiring low-temperature processes (< 200 °C) to maintain functionality of under-lying layers of the silicon cell in case of highly efficient silicon hetero-junction (SHJ) bottom solar cell. In this work, we present amore » complete low-temperature process for perovskite solar cells including a mesoporous titanium oxide (TiO 2) scaffold - a structure yielding the highest efficiencies for single-junction perovskite solar cells. We show that evaporation of the compact TiO 2 hole blocking layer and ultra-violet (UV) curing for the mesoporous TiO 2 layer allows for good performance, comparable to high-temperature (> 500 °C) processes. With both manufacturing routes, we obtain short-circuit current densities (J SC) of about 20 mA/cm 2, open-circuit voltages (V OC) over 1 V, fill factors (FF) between 0.7 and 0.8 and efficiencies (n) of more than 15%. We further show that the evaporated TiO 2 layer is suitable for the application in tandem devices. The series resistance of the layer itself and the contact resistance to an indium doped tin oxide (ITO) interconnection layer between the two sub-cells are low. Additionally, the low parasitic absorption for wavelengths above the perovskite band gap allow a higher absorption in the silicon bottom solar cell, which is essential to achieve high tandem efficiencies.« less
  • Here, we have investigated semi-transparent perovskite solar cells and infrared enhanced silicon heterojunction cells for high-efficiency tandem devices. A semi-transparent metal electrode with good electrical conductivity and optical transparency has been fabricated by thermal evaporation of 7 nm of Au onto a 1-nm-thick Cu seed layer. For this electrode to reach its full potential, MAPbI3 thin films were formed by a modified one-step spin-coating method, resulting in a smooth layer that allowed the subsequent metal thin film to remain continuous. The fabricated semi-transparent perovskite solar cells demonstrated 16.5% efficiency under one-sun illumination, and were coupled with infrared-enhanced silicon heterojunction cellsmore » tuned specifically for perovskite/Si tandem devices. A double-layer antireflection coating at the front side and MgF2 reflector at rear side of the silicon heterojunction cells reduced parasitic absorption of near-infrared light, leading to 6.5% efficiency after filtering with a perovskite device and 23.0% summed efficiency for the perovskite/Si tandem device.« less