Optical recording media with triplet-sensitzed isomerization
申请人:Farid Y. Samir
公开号:US20050136357A1
公开(公告)日:2005-06-23
The invention relates to an optical recording material comprising: a polymeric matrix; a dewarbenzene derivative reactant capable of undergoing isomerization to a benzene product upon triplet excitation, thereby causing a change in optical properties; and a sensitizer capable of absorbing actinic radiation to cause triplet energy transfer to said reactant, wherein the algebraic sum of the excitation energy of said sensitizer and its reduction potential is at least 0.05 eV less than the oxidation potential of said reactant, thereby precluding one-electron oxidation of said reactant. The invention further relates to an optical device comprising regional variations in concentrations of reactants and products produced by triplet chain isomerization, thereby providing a pattern of intelligence.
Optical recording media with triplet-sensitized isomerization
申请人:Eastman Kodak Company
公开号:US07459263B2
公开(公告)日:2008-12-02
The invention relates to an optical recording material comprising: a polymeric matrix; a dewarbenzene derivative reactant capable of undergoing isomerization to a benzene product upon triplet excitation, thereby causing a change in optical properties; and a sensitizer capable of absorbing actinic radiation to cause triplet energy transfer to said reactant, wherein the algebraic sum of the excitation energy of said sensitizer and its reduction potential is at least 0.05 eV less than the oxidation potential of said reactant, thereby precluding one-electron oxidation of said reactant. The invention further relates to an optical device comprising regional variations in concentrations of reactants and products produced by triplet chain isomerization, thereby providing a pattern of intelligence.
COATING COMPOSITIONS FOR USE WITH AN OVERCOATED PHOTORESIST
申请人:Rohm and Haas Electronic Materials Korea Ltd.
公开号:US20170153547A1
公开(公告)日:2017-06-01
In a preferred aspect, organic coating compositions, particularly antireflective coating compositions for use with an overcoated photoresist, are provided that comprise 1) one or more glycidyl groups; and 2) one or more aromatic groups that each comprises two or more substituents that comprise hydroxy, thiol and/or amine moieties. Catechol-containing polymers and methods for producing same also are provided.
Quantum Amplified Isomerization in Polymers Based on Triplet Chain Reactions
作者:Lorraine Ferrar、Mark Mis、Joseph P. Dinnocenzo、Samir Farid、Paul B. Merkel、Douglas R. Robello
DOI:10.1021/jo8007786
日期:2008.8.1
Photoinitiated triplet quantum amplified isomerizations (QAI) of substituted Dewar benzene derivatives in polymeric media are reported. The quantum efficiencies and the ultimate extents of reactant-to-product conversions increase significantly with the incorporation of appropriate co-sensitizers; compounds whose triplet energies are similar to or lower than that of the sensitizer and close to that