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Title: Potassium-chemical synthesis of 3D graphene from CO2 and its excellent performance in HTM-free perovskite solar cells

Journal Article · · Journal of Materials Chemistry. A
DOI:https://doi.org/10.1039/c7ta01768e· OSTI ID:1392267
 [1];  [2]; ORCiD logo [3];  [2];  [4];  [5];  [6]; ORCiD logo [1]
  1. Michigan Technological Univ., Houghton, MI (United States)
  2. Tongji Univ., Shanghai (China)
  3. Shanghai Jiao Tong Univ. (China)
  4. Nanchang Univ. (China)
  5. National Scientific and Technical Research Council (CONICET), San Luis (Argentina)
  6. Brookhaven National Lab. (BNL), Upton, NY (United States)

The conversion of greenhouse gas CO2 into novel materials is the most promising approach to solve greenhouse gas issues. In this paper, we report for the first time the reaction of potassium with CO2 to synthesize three-dimensional honeycomb-like structured graphene (3DHG). Furthermore, 3DHG exhibited excellent performance as a counter electrode for hole transport material (HTM)-free perovskite solar cells, leading to a power conversion efficiency of 10.06%. Finally, this work constitutes a new aspect of potassium chemistry for material synthesis from a greenhouse gas and the generation of electrical energy from sunlight.

Research Organization:
Michigan Technological Univ., Houghton, MI (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC); ACS Petroleum Research Fund (United States)
Grant/Contract Number:
SC0012704; PRF-51799-ND10
OSTI ID:
1392267
Report Number(s):
BNL-114319-2017-JA
Journal Information:
Journal of Materials Chemistry. A, Vol. 5, Issue 17; ISSN 2050-7488
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 51 works
Citation information provided by
Web of Science

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Cited By (11)

Carbon‐based perovskite solar cells: From single‐junction to modules journal September 2019
Direct Conversion of CO 2 to Multi‐Layer Graphene using Cu–Pd Alloys journal July 2019
Renaissance of graphene-related materials in photovoltaics due to the emergence of metal halide perovskite solar cells journal January 2018
Highly conductive Na-embedded carbon nanowalls for hole-transport-material-free perovskite solar cells without metal electrodes journal January 2017
15% efficient carbon based planar-heterojunction perovskite solar cells using a TiO 2 /SnO 2 bilayer as the electron transport layer journal January 2018
Facile synthesis of nitrogen-doped graphene frameworks for enhanced performance of hole transport material-free perovskite solar cells journal January 2018
Ultrahigh-rate lithium-ion batteries with 3D fungus-structured carbon/CuC 2 O 4 · x H 2 O electrodes journal January 2020
Application of Hole-Transporting Materials as the Interlayer in Graphene Oxide/Single-Wall Carbon Nanotube Silicon Heterojunction Solar Cells journal January 2017
Promise of commercialization: Carbon materials for low-cost perovskite solar cells journal January 2018
Recent Progress of Graphene-Based Photoelectrode Materials for Dye-Sensitized Solar Cells journal March 2019
Nanoparticles Used for Extraction of Polycyclic Aromatic Hydrocarbons journal May 2019