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单词 electrochromism
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electrochromism
electrochromism n.
Brit. /ᵻˌlɛktrə(ʊ)ˈkrəʊmɪz(ə)m/
,
U.S. /əˌlɛktroʊˈkroʊˌmɪz(ə)m/
,
/iˌlɛktroʊˈkroʊˌmɪz(ə)m/
reversible change in the optical absorption and emission spectra of molecules due to the application of an electric field; the property of undergoing a reversible change in colour when subjected to an electric field.
ΘΚΠ
the world > matter > colour > change of colour > [noun]
discoloura1398
discolouring?a1425
discolouration1545
discolouredness1585
transcoloration1664
discolourment1762
discolorization1827
metachromatism1876
metachromism1876
metachrosis1887
tinctumutation1895
electrochromism1961
the world > matter > physics > atomic physics > decomposition of light, spectrum > [noun] > effect involving electrostatic field > colour change resulting from
electrochromism1961
1961 J. R. Platt in Jrnl. Chem. Physics 34 862/1 Theoretical considerations suggest that the absorption and emission spectra of certain dyes may be shifted by hundreds of angstroms upon application of a strong electric field. This effect could be called ‘electrochromism’, in analogy to ‘thermochromism’ and ‘photochromism’.
1996 Nature 17 Oct. p. v/1 Materials that change colour..in response to an electrically induced change in oxidation state (electrochromism) are being investigated for applications ranging from displays to ‘smart windows’.
2003 S. Greenfield Tomorrow's People (2004) ii. 18 The glass darkens with the technology of electrochromism that will, when the world itself darkens outside or on the word of command, convert the transparent glass panes to opaque hues.
extracted from electro-comb. form
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