مروری بر مواد رنگزای عاری از فلز نورتاب برای استفاده در دیودهای آلی نورتاب

نوع مقاله : مقاله مروری

نویسندگان

1 دانشیار، گروه پژوهشی مواد رنگزای آلی، پژوهشگاه رنگ، تهران، ایران، صندوق پستی: 654-167654.

2 پژوهشگر پسا دکتری، دانشکده مهندسی و فیزیک، دانشگاه کارلستاد، کارلستاد، سوئد، صندوق‌پستی: 65188.

چکیده

دیودهای نورتاب آلی که از مواد و تجهیزات آلی تهیه می‌‌شوند به دلیل کاهش هزینه‌‌ها و سهولت فرآیند تهیه و تولید ناشی از حذف فلزات سنگین، افق روشنی در توسعه نمایشگرها و فناوری تولید روشنایی ایجاد می‌‌کنند. امروزه، تحقیقات زیادی بر روی توسعه مواد نورتاب آلی با کارایی بالا انجام می‌‌شود. برای این منظور و طراحی یک ماده موثر، توجه به دو نکته ضروری است: 1) چگونگی غلبه بر محدودیت بازده ناشی از تعداد اسپین-اکسایتون و 2) روش افزایش بازده جفت‌‌شدگی بیرونی. ترکیبات عاری از فلز قابل استفاده در دیودهای آلی نورتاب به دو طبقه کلی، ترکیبات کوچک مولکول و دندریمرها دسته‌‌بندی می‌‌شوند. ترکیبات نورتاب متنوعی از این طبقه‌‌ها سنتز و برای کاربرد در ساختار دیودهای آلی نورتاب مورد ارزیابی قرار گرفته است. این مقاله مروری بر مواد رنگزای تابش‌کننده آلی عاری از فلز برای استفاده در دیودهای آلی نورتاب می‌‌باشد.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Review on Metal-Free Light-emitting Dyes for OLED

نویسندگان [English]

  • Mozhgan Hosseinnezhad 1
  • Sohrab Nasiri 2
1 Department of Organic Colorants, Institute for Color Science and Technology, P. O. Box: 16765-654, Tehran, Iran.
2 Department of Engineering and Physics, Karlstad University, P. O. Box: 65188, Karlstad, Sweden.
چکیده [English]

Organic light emitting diodes containing organic materials and components creat a bright vision in the development of displays and lighting technology due to the reduction of costs, the facility of the production process, and the production process due to the elimination of noble heavy metals. Today, much research is being done on developing high-efficiency of the organic emitter. For this purpose and design of effective material, it is necessary to pay attention to two points: 1) how to overcome the efficiency limit caused by the number of spin-excitons and 2) how to increase the efficiency of out-coupling. Metal-free compounds usable in organic light emitting diodes are classified into two general classes, small molecule compounds and dendrimers. Various emitter compounds are synthesized from these classes and evaluated for use in the structure of OLED. This article reviews metal-free organic emitters for use in Organic light emitting diodes.

کلیدواژه‌ها [English]

  • Organic light-emitting diodes
  • Organic emitter
  • Metal-free components
  • Dendimers
  • Display

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مطالعات در دنیای رنگ
دوره 12، شماره 2
مهر 1401
صفحه 105-116

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سابقه مقاله

  • تاریخ دریافت: 20 اردیبهشت 1401
  • تاریخ بازنگری: 11 تیر 1401
  • تاریخ پذیرش: 12 تیر 1401

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