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High-Contrast Photopatterning of Photoluminescence within Quantum Dot Films through Degradation of a Charge-Transfer Quencher (Adv. Mater. 27/2012)

  1. Mario Tagliazucchi1,
  2. Victor A. Amin1,
  3. Severin T. Schneebeli1,
  4. J. Fraser Stoddart1,2,
  5. Emily A. Weiss1,*

Article first published online: 10 JUL 2012

DOI: 10.1002/adma.201290163

Issue

Advanced Materials

Advanced Materials

Volume 24, Issue 27, page 3616, July 17, 2012

Additional Information

How to Cite

Tagliazucchi, M., Amin, V. A., Schneebeli, S. T., Stoddart, J. F. and Weiss, E. A. (2012), High-Contrast Photopatterning of Photoluminescence within Quantum Dot Films through Degradation of a Charge-Transfer Quencher (Adv. Mater. 27/2012). Adv. Mater., 24: 3616. doi: 10.1002/adma.201290163

Author Information

  1. 1

    Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208-3113, USA

  2. 2

    NanoCentury KAIST Institute and Graduate School of EEWS (WCU), Korea Advanced Institute of Science and Technology (KAIST), 373-1 Guseong Dong, Yuseong Gu, Daejeon 305-701, Republic of Korea

*Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208-3113, USA.

Publication History

  1. Issue published online: 10 JUL 2012
  2. Article first published online: 10 JUL 2012

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Keywords:

  • patterning;
  • core/shell structures;
  • photoinduced electron transfer;
  • poly(viologen);
  • layer-by-layer films
Thumbnail image of graphical abstract

Poly(viologen) quenches the photoluminescence of CdSe quantum dots via a charge transfer as shown by E. A. Weiss and co-workers on page 3617. Continuous illumination of a composite film of quantum dots and poly(viologen) through a mask, or by a scanning laser beam, reveals diffractionlimited patterns of photoluminescence in the film by degrading the quenching viologen in its cation radical form.

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