Carbon Xerogel based Hole Transport Layer for Hybrid Halide Perovskite solar cell

• Project/Area Number: 17K14551
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Device related chemistry
• Research Institution: Okinawa Institute of Science and Technology Graduate University
• Principal Investigator: フアレス・ペレス エミリオ 沖縄科学技術大学院大学, エネルギー材料と表面科学ユニット, 研究員 (10792020)
• Project Period (FY): 2017-04-01 – 2020-03-31
• Project Status: Discontinued (Fiscal Year 2019)
• Budget Amount: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000); Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
• Keywords: Semiconductor Devices / Org./inorg. hybrid mat. / Electr./Opt. devices / Solar Cells

Outline of Annual Research Achievements

The project consist of four (4) work packages (WP) in order to discover the best suitable carbon xerogel matrix for perovskite scaffolding in solar cells:
A) Synthesis and characterization of CX raw materials. Energy consumption studies. COMPLETED
B) Ink formulation and deposition of CX thin film. Characterization as HTL material. COMPLETED
C) Assembly of PVK based solar cells using CX based HTL and photovoltaic characterization. COMPLETED
D) Long term stability measurements of photovoltaic cells at maximum power point.
COMPLETED.

Research Products

• [Journal Article] Degradation Mechanism and Relative Stability of Methylammonium Halide Based Perovskites Analyzed on the Basis of Acid-Base Theory (2019)
  • Author(s): E.J. Juarez-Perez, L.K. Ono, I. Uriarte, E.J. Cocinero, and Y. Qi
  • Journal Title: American Chemical Society Applied Materials and Interface Volume: 11 Issue: 13 Pages: 12586-12593
  • DOI: 10.1021/acsami.9b02374
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] The Causes of Degradation of Perovskite Solar Cells (2019)
  • Author(s): Bisquert Juan、Juarez-Perez Emilio J.
  • Journal Title: The Journal of Physical Chemistry Letters Volume: 10 Issue: 19 Pages: 5889-5891
  • DOI: 10.1021/acs.jpclett.9b00613
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Determination of Carrier Diffusion Length Using Transient Electron Photoemission Microscopy in the GaAs/InSe Heterojunction (2019)
  • Author(s): Juarez‐Perez Emilio J.、Qi Yabing
  • Journal Title: physica status solidi (b) Volume: 256 Issue: 10 Pages: 1900126-1900126
  • DOI: 10.1002/pssb.201900126
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Carbon-Based Electrode Engineering Boosts the Efficiency of All Low-Temperature-Processed Perovskite Solar Cells (2019)
  • Author(s): Sisi He, Longbin Qiu, Dae-Yong Son, Zonghao Liu, Emilio J. Juarez-Perez, Luis K. Ono, Collin Stecker, and Yabing Qi*
  • Journal Title: ACS Energy Lett. Volume: 4 Issue: 9 Pages: 2032-2039
  • DOI: 10.1021/acsenergylett.9b01294
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Thermal degradation of formamidinium based lead halide perovskites into sym-triazine and hydrogen cyanide observed by coupled thermogravimetry - mass spectrometry analysis (2019)
  • Author(s): Emilio J. Juarez-Perez*, Luis K. Ono, Yabing Qi*
  • Journal Title: J. Mater. Chem. A Volume: 7 Issue: 28 Pages: 16912-16919
  • DOI: 10.1039/c9ta06058h
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Benchmarking Chemical Stability of Arbitrarily Mixed 3D Hybrid Halide Perovskites for Solar Cell Applications (2018)
  • Author(s): A. Garcia-Fernandez, E.J. Juarez-Perez, S. Castro-Garcia, M. Sanchez-Andujar, L.K. Ono, Y. Jiang, and Y.B. Qi
  • Journal Title: Small Methods Volume: 2 Issue: 10 Pages: 1800242-1800242
  • DOI: 10.1002/smtd.201800242
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Presentation] Mitigation of photodecomposition processes in lead halide based solar cells to improve operational stability (2019)
  • Author(s): Emilio J Juarez-Perez
  • Organizer: HOPV 2018
  • Int'l Joint Research
• [Presentation] Mitigation of photodecomposition processes in lead halide based solar cells to improve operational stability (2018)
  • Author(s): Emilio J Juarez-Perez
  • Organizer: HOPV 2018
  • Int'l Joint Research