Materials Research Express 特刊征稿

12 1月 2022 gabriels
主题:Bandgap Engineering and Optoelectronic Applications of Low-Dimensional Nanostructures



  • 郭鹏飞,太原理工大学,中国
  • 余健文,香港城市大学,中国香港
  • 曾若生,广西大学,中国
  • 何颂贤,香港城市大学,中国香港
  • Takeshi Yanagida,东京大学,日本
  • 阙郁伦,国立清华大学,中国台湾
  • 袁荃,湖南大学,中国


Low-dimensional nanostructures are of particular interest with respect to their potential applications in highly integrated devices and systems. On-structure synthesis of nanowires or 2D materials with radially or axially modulated compositions along a single structure by a traditional chemical vapor deposition approach, especially for the gradient bandgaps along a single nanowire, is a formidable challenge in nanotechnology. That is because of the poor controllability of the solid-source in a vacuum tube under high temperature. Therefore, an innovative technical is urgently needed to realize the bandgap engineering on a single nanowire or 2D materials, which may provide material platforms for novel integrated optoelectronic devices and circuit. For example, composition graded nanowires with tunable bandgaps can suggested for broad band photodetectors, micro-spectrometer on-a-wire, and solid-state light sources. Heterostructure wires with abrupt interface and type-II energy band are promising idealized materials, which can provide multiple gain materials and serve as resonant cavities for multi-wavelength lasers.

  • Bandgap graded low-dimensional Nanostructures
  • Semiconductor nanowires/ribbons with tunable bandgaps
  • Heterostructure
  • 2D materials with tunable bandgaps
  • Thin films with gradient component
  • Synthesis of the materials
  • Conventional methods
  • Modulated methods
  • Optoelectronic application of the Low-dimensional materials
  • Nanolasers
  • Photodetectors
  • LED
  • FETs
  • Solar cells
  • Waveguides


Materials Research Express


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