Advances in windowed gas cells for in-situ TEM studies

Fan Wu, Nan Yao

Research output: Contribution to journalReview articlepeer-review

51 Scopus citations


In-situ TEM under gaseous environment is a powerful tool for various nanomaterial-based technologies, such as efficient energy conversion, transportation, food production and environmental protection. The practical information obtained from in-situ TEM observations of gas-solid interactions promises new insights into the growth, properties, and functionality of nanomaterials such as catalysts, fuel cells and biological molecules. Either windowed gas cell or differential pumping approach is used to realize in-situ TEM observations under gaseous environment. The windowed gas cell approach has various advantages over the latter, including a much thinner gas path length, a better resolution, a higher pressure limit, much more rapid thermal response, more rapid stabilization of specimen drift, and a much lower cost, etc. However, a comprehensive review of windowed gas cells for in-situ TEM observations is missing to summarize the achievements to date in this field. This article serves to fill this gap.

Original languageEnglish (US)
Pages (from-to)735-756
Number of pages22
JournalNano Energy
StatePublished - Apr 1 2015

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • General Materials Science
  • Electrical and Electronic Engineering


  • Differential pumping
  • Gas-solid interactions
  • In-situ TEM
  • Windowed gas cell


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