, Volume 18, Issue 4, pp 945–956 | Cite as

Construction of inorganic nanoparticles by micro-nano-porous structure of cellulose matrix

  • Shilin Liu
  • Dingning Ke
  • Jian Zeng
  • Jinping Zhou
  • Tianyou Peng
  • Lina Zhang


In our previous work, the CdS nanoparticles/cellulose films exhibited significantly high photocatalytic H2 production efficiency under visible light irradiation than the ordinary CdS photocatalyst. In present paper, the CdS nanoparticles were synthesized in situ in pores of the regenerated cellulose substrate and the porous structure of cellulose, formation of the CdS nanoparticles and interactions between CdS and cellulose matrix in the composite films were investigated deeply. The experimental results indicated that the micro-nano-porous structure of the cellulose matrix could be used easily to create inorganic nanoparticles, which supplied not only cavities for the formation of nanoparticles, but also a shell (semi-stiff cellulose molecules support the pore wall) to protect their nano-structure. When the cellulose films with porous structure at wet state were immersed into inorganic ions solution, the ions interacted immediately with the –OH groups of cellulose, and then transformed into inorganic composite via another treatment, finally inorganic nanoparticles formed during the dry. The pore size of the cellulose matrix decreased from 180 nm (at wet state) to about 18 nm (at dry state), leading to the formation of nanoparticles. The results revealed that the CdS nanoparticles with a mean particle diameter about 6 nm were dispersed well, and were immobilized tightly in the cellulose matrix, resulting in a portable photocatalyst with high efficiency for photocatalytic for H2 evolution. This is simple and “green” pathway to prepare the organic–inorganic hybrid materials.


Cellulose support Micro-nano-porous structure Hybrid nanocomposites CdS photocatalyst 



This work was supported by National Basic Research Program of China (973 Program, 2010CB732203), National Supporting Project for Science and Technology (2006BAF02A09), and the National Natural Science Foundation of China (20474048 and 20874079).The authors are grateful to Professor Liejin Guo of Xi’an Jiaotong University for his helpful suggestions.

Supplementary material

10570_2011_9556_MOESM1_ESM.doc (1.8 mb)
Supplementary material 1 (DOC 1,860 kb)


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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Shilin Liu
    • 1
  • Dingning Ke
    • 1
  • Jian Zeng
    • 1
  • Jinping Zhou
    • 1
  • Tianyou Peng
    • 1
  • Lina Zhang
    • 1
  1. 1.Department of ChemistryWuhan UniversityWuhanChina

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