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Two-step excitation phenomenon observed by VPS method in inter-band solar cells

Research Project

Project/Area Number 16K14230
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Electronic materials/Electric materials
Research InstitutionNagoya University

Principal Investigator

Ujihara Toru  名古屋大学, 未来材料・システム研究所, 教授 (60312641)

Project Period (FY) 2016-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2016: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Keywords半導体物性 / バンド構造 / 光電子分光
Outline of Final Research Achievements

We tried to evaluate the two-step excitation phenomenon using two lights of different wavelengths in inter-band solar cells by using visible-light photo-electron spectroscopy developed by our group. In this method, the energy distribution of electron in conduction band can be evaluated. Firstly, we developed the system for two
light irradiation. Using this system, the spectra of visible-light photo-electron spectroscopy were acquired. The intensity of two light excitation was stronger than that of single light excitation.

Report

(2 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • Research Products

    (3 results)

All 2017 2016

All Presentation (3 results) (of which Int'l Joint Research: 2 results)

  • [Presentation] Spectroscopy of electrons emitting from conduction mini-band of semiconductor superlattice through negative-electron-affinity surface2017

    • Author(s)
      T. Ujihara
    • Organizer
      the 39th International conference on Vacuum Ultraviolet and X-ray Physics
    • Place of Presentation
      Zurich, Switzerland
    • Year and Date
      2017-07-03
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 半導体伝導帯構造を明らかにする可視光電子光電子分光法の提案2016

    • Author(s)
      宇治原 徹, 市橋 史朗, 董 キン宇, 井上 明人, 川口 昂彦, 桑原 真人, 伊藤 孝寛, 原田 俊太, 田川 美穂
    • Organizer
      2016年真空・表面科学合同講演会
    • Place of Presentation
      名古屋
    • Year and Date
      2016-11-29
    • Related Report
      2016 Annual Research Report
  • [Presentation] Evaluation of conduction mini-bands in semiconductor superlattice by visible-light photoelectron spectroscopy2016

    • Author(s)
      T. Ujihara
    • Organizer
      13th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures
    • Place of Presentation
      Rome. Italy
    • Year and Date
      2016-10-09
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research

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Published: 2016-04-21   Modified: 2018-03-22  

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