Optical sensors and switches Machine generated contents note: Preface iii Contributors vii Contents of Previous Volumes ix 1. Buckets of Light 1 Christina M. Rudzinski and Daniel G. Nocera 2. Luminescent PET Signaling Systems 93 A. Prasanna de Silva David B. Fox Thomas S. Moody and Sheenagh M. Weir 3. Sensors Based on Electrogenerated Chemiluminescence 153 Ann Margret Andersson and Russell H. Schmehl 4. From Superquenching to Biodetection: Building Sensors Based on Fluorescent Polyelectrolytes 189 David Whitten Liaohai Chen Robert Jones Troy Bergstedt Peter Heeger and Duncan McBranch 5. Luminescent Metal Complexes as Spectroscopic Probes of Monomer Polymer Environments 209 Alistair J. Lees 6. Photorefractive Effect in Polymeric and Molecular Materials 257 Liming Wang Man Kit Ng Qing Wang and Luping Yu 7. Dynamic Holography in Photorefractive Liquid Crystals 319 Gary P. Wiederrecht 8. Hologram Switching and Erasing Strategies With Liquid Crystals 363 Michael B. Sponsler 9. Novel Molecular Photonics Materials and Devices 387 Toshihiko Nagamura 10. Molecular Recognition Events Controllable by Photochemical Triggers or Readable by Photochemical Outputs 429 Seiji Shinkai and Tony D. James 11. Probing Nanoenvironments Using Functional Chromophores 457 Mitsuru Ishikawa and Jing Yong Ye