Constrained growth of the PMMA photonic crystals

Chen Fuyi, Jie Wanqi

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The constrained growth was observed during the formation process of the photonic crystals from the monodispersed PMMA colloidal microsphere and a controllable vertical deposition (CVD) technology was developed to prepare the photonic crystal based on these growth behaviors and the PMMA colloid particles with size of 345nm were assembled into the 3-D arrays. The transmittance spectrum of the typical sample exhibited an enlarged transmission mode. Their SEM observation revealed that the bulk structure of the crystalline array had a high periodical and long range order, the perfect order zone was above 20μm and the surface of the crystal was complete flat and had only two vacancies in the 3×5 μm order zone. The growth interface analysis indicated that the colloidal spheres sedimented subsequently and the drying front between the suspension and crystal moved at a constant velocity with time. The crystals developed by the continuous growth mechanism and the growing crystals had rough interface during the process of controllable vertical deposition.

Original languageEnglish
Title of host publicationNanoscience and Technology
PublisherTrans Tech Publications Ltd
Pages433-436
Number of pages4
EditionPART 1
ISBN (Print)3908451302, 9783908451303
DOIs
StatePublished - 2007
EventChina International Conference on Nanoscience and Technology, ChinaNANO 2005 - Beijing, China
Duration: 9 Jun 200511 Jun 2005

Publication series

NameSolid State Phenomena
NumberPART 1
Volume121-123
ISSN (Print)1012-0394

Conference

ConferenceChina International Conference on Nanoscience and Technology, ChinaNANO 2005
Country/TerritoryChina
CityBeijing
Period9/06/0511/06/05

Keywords

  • Constrained growth
  • Photonic crystal
  • PMMA
  • Self assemble

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