Copper Doped Methylene Blue Sensitized Poly(vinyl alcohol)–Acrylamide Films for Stable Diffraction Efficiency | Zendy

Beena Mary John | Zendy; Rani Joseph | Zendy; K. Sreekumar | Zendy; C. Sudha Kartha | Zendy

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Copper Doped Methylene Blue Sensitized Poly(vinyl alcohol)–Acrylamide Films for Stable Diffraction Efficiency

Author(s) -

Beena Mary John,

Rani Joseph,

K. Sreekumar,

C. Sudha Kartha

Publication year - 2006

Publication title -

japanese journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.487

H-Index - 129

eISSN - 1347-4065

pISSN - 0021-4922

DOI - 10.1143/jjap.45.8686

Subject(s) - vinyl alcohol , methylene blue , acrylamide , copper , materials science , vinyl chloride , diffraction efficiency , chloride , doping , alcohol , nuclear chemistry , polymer chemistry , chemical engineering , chemistry , polymer , optoelectronics , organic chemistry , composite material , photocatalysis , metallurgy , catalysis , monomer , copolymer , engineering , grating

Copper doped methylene blue sensitized poly(vinyl alcohol) (MBPVA)–acrylamide films were fabricated to improve the storage life of recorded gratings. The films were fabricated using gravity settling method and the copper chloride concentration was optimized as 3.18×10-3 mol/l for a dye concentration of 6.2×10-4 mol/l. The gratings recorded on the optimized film constitution could be stored for months with stable diffraction efficiency (24%) without any chemical or thermal fixing techniques. The resolution of the material is found to be unaffected with the addition of copper chloride.

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