Infrared Absorbing Dyes TOPICS IN APPLIED CHEMISTRY Series Editors: Alan R. Katritzky, FRS Kenan Professor of Chemistry University of Florida. Gainesville. Florida Gebran J. Sabongi Laboratory Manager, Encapsulation Technology Center 3M, St. Paul. Minnesota BIOCATALYSTS FOR INDUSTRY Edited by Jonathan S. Dordick CHEMICAL TRIGGERING Reactions of Potential Utility in Industrial Processes Gebran J. Sabongi THE CHEMISTRY AND APPLICATION OF DYES Edited by David R. Waring and Geoffrey Hallas HIGH-TECHNOLOGY APPLICATIONS OF ORGANIC COLORANTS Peter Gregory INFRARED ABSORBING DYES Edited by Masaru Matsuoka STRUCTURAL ADHESIVES Edited by S. R. Hartshorn A Continuation Order Plan is available for this series. A continuation order will bring delivery of each new volume immediately upon publication. Volumes are billed only upon actual shipment. For further information please contact the publisher. Infrared Absorbing Dyes Edited by Masaru Matsuoka University of Osaka Prefecture Sakai, Osaka, Japan Springer Science+Business Media, LLC Library of Congress Cataloging-ln-PublIcation Data Infrared absorbing dyes / edited by Masaru Matsuoka. p. cm. — (Topics in applied chemistry) Includes bibliographical references and index. ISBN 978-1-4899-2048-5 1. Dye lasers—Materials. I. Matsuoka, Masaru, 1942- II. Series. TA1690.153 1990 621.36' 2—dc20 90-40052 CIP ISBN 978-1-4899-2048-5 ISBN 978-1-4899-2046-1 (eBook) DOI 10.1007/978-1-4899-2046-1 © 1990 Springer Science+Business Media New York Originally published by Plenum Press, New York in 1990 Softcover reprint of the hardcover 1st edition 1990 All rights reserved No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording, or otherwise, without written permission from the Publisher Contributors David Dolphin, Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Y 6 Atsushi Kakuta, Hitachi Research Laboratory, Hitachi Ltd., Hitachi-shi, Ibaraki-ken, 319-12, Japan Fumio Matsui, Corporate Research and Development Laboratory, Pioneer Electronic Corporation, Tsurugashima-machi, Iruma-gun, Saitama 350-02, Japan Masaru Matsuoka, Department of Applied Chemistry, College of Engineer ing, University of Osaka Prefecture, Sakai, Osaka 591, Japan Yuji Mihara, Ashigara Research Laboratories, Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa 250-01, Japan Yoshiharu Nagae, Hitachi Research Laboratory, Hitachi Ltd., Hitachi, Ibaraki 319-12, Japan Kenryo Namba, Advanced Materials Research Department, R& D Center, TDK Corporation, Ichikawa, Chiba 272, Japan Jun'etsu Seto, Research Center, SONY Corporation, Hodogaya-ku, Yokohama, Kanagawa 240, Japan Ethan Sternberg, Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Y 6 v vi Contributors Yoshiaki Suzuki, Late of Ashigara Research Laboratories, Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa 250-01, Japan Tadaaki Tani, Ashigara Research Laboratories, Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa 250-01, Japan Masayasu Ueno, Opto-Electronics Research Laboratory, NEC Corporation, Miyamae-ku, Kawasaki, Kanagawa 213, Japan Tonao Yuasa, Opto-Electronics Research Laboratory, NEC Corporation, Miyamae-ku, Kawasaki, Kanagawa 213, Japan Preface New laser technology has developed a new dye chemistry! Development of the gallium-arsenic semiconductor laser (diode laser) that emits laser light at 780-830 nm has made possible development of new opto-electronic systems including laser optical recording systems, thermal writing display systems, laser printing systems, and so on. Medical applications of lasers in photodynamic therapy for the treatment of cancer were also developed. In such systems, the infrared absorbing dyes OR dyes) are currently used as effective photoreceivers for diode lasers, and will become the key materials in high technology. At the present time the chemistry of IR dyes is the most important and interesting field in dye chemistry. Laser light can be highly monochromatic, very well collimated, coher ent, and, in some cases, extremely powerful. These characteristics make diode lasers a very cheap, convenient, and useful light source for a variety of applications in science and technology. For these purposes, however, IR dyes with special characteristics are required. To develop new IR dyes, it is most important to establish the correlation between the chemical structures of dyes and other characteristics of dyes, such as their absorption spectra. Molecular design of IR dyes predicting the Amax and Emax values by molecular orbital (MO) calculations is now possible even by using a personal computer, and many types of new IR dyes have been demonstrated. Also, new opto-electronic systems using IR dyes as photoreceivers have been reported recently. This book reviews the synthesis and characteristics of IR dyes and their applications in high technology. In Chapter 2, synthetic design of IR dyes by means of the PPP MO method is described. General methodology for the molecular design of IR dyes is demonstrated for each of the chromophoric systems. In the following six chapters, synthesis and charac teristics of IR dyes from cyanine, quinone, phthalocyanine, metal com- vii viii Preface plexes, and miscellaneous chromophores are described together with photo chromic dyes. Chapter 9 deals with semiconductor lasers as a light source, and the remaining chapters deal with the applications of IR dyes in optical recording systems (Chapter 10), thermal writing displays (Chapter 11), laser printing systems (Chapter 12), laser filter systems (Chapter 13), infrared photography (Chapter 14), and medical applications (Chapter 15). In these chapters, the up-to-date results and technology are included and many figures are added for better understanding. This book is intended mainly for color chemists, organic chemists, and material scientists. It is hoped that it will also be useful for postgraduate students in chemistry and material science. It is a pleasure to gratefully acknowledge the contributors of each chapter. Without their hard work and kind cooperation, this book could not have been published in a timely manner. I also would like to record my special gratitude to the late Mr. Yoshiaki Suzuki who died shortly after the submission of his manuscript. Finally, I would like to give my sincere thanks to Dr. John Griffiths of the University of Leeds, and the Series Editors, Drs. G. Sabongi and A. Kratitzki, who recommended me as an editor of this volume. I am also grateful to Miss Kazuko Shirai for her skilled assistance in preparing the manuscript. Masaru Matsuoka Osaka, Japan Contents Chapter 1. Introduction 1 Masaru Matsuoka Part I. Synthesis and Characteristics of Infrared Absorbing Dyes Chapter 2. Synthetic Design of Infrared Absorbing Dyes 7 Masaru Matsuoka I. Introduction ..................... 7 II. PPP MO Method . . . . . . . . . . . . . . . . . .. 8 III. Synthetic Design of Infrared Absorbing Dyes by the PPP MO 9 Method .................. . A. Intramolecular Charge-Transfer Chromophores 9 B. Intermolecular Charge-Transfer Chromophores 13 C. Cyanine Chromophores 14 References . . . . . . . . . . . . . . . . . . 17 Chapter 3. Cyanine Dyes 19 Masaru Matsuoka I. Introduction ..... . 19 II. General Synthetic Method 20 III. Chromophoric Systems 22 IV. Heptamethinecyanines . . 24 V. Squarylium and Croconium Dyes 29 VI. Pyrylium and Related Dyes 31 References . . . . . . . 33 ix
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