Face-type structural 3(8-hydroxyquinoline) aluminium nano and micro materials and preparation method thereof

A hydroxyquinoline, nano-micron technology, applied in the direction of luminescent materials, chemical instruments and methods, semiconductor/solid-state device manufacturing, etc.

Active Publication Date: 2012-11-07
JILIN YUANHE ELECTRONICS MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years there has been some talk about Alq 3 Reports on nano-micron materials (Advanced Functional Materials, 2006, 16, 1985-1991, Photoluminescence and electroluminescence from tris(8-hydroxyquinoline) aluminum nanowires prepared by adsorbent-assisted physical vapor deposition; Advanced Functional Materials, 2006, 182, 319 of amorphous tris(8-hydroxyquinoline)aluminum nanoparticles and transformation to nanowires; Advanced Materials, 2008, 20, 2747-2750, Alq 3 nanorods: Promising building blocks for optical devices.), but all these nano-micron materials are composed of warp structure Alq 3 Molecular composition, no face formula Alq 3 Reports on nano and micro materials

Method used

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  • Face-type structural 3(8-hydroxyquinoline) aluminium nano and micro materials and preparation method thereof
  • Face-type structural 3(8-hydroxyquinoline) aluminium nano and micro materials and preparation method thereof
  • Face-type structural 3(8-hydroxyquinoline) aluminium nano and micro materials and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1: Preparation of surface Alq 3 Nano-micron film

[0022] 1: Utilize Alq 3 Prepare Alq as raw material 3 Amorphous film

[0023] Alq 3 The solid raw material is purified by a conventional vacuum sublimation method, and then deposited at room temperature to prepare an amorphous film. This purification method can prepare pure meridian Alq 3 powder. Using quartz glass as the substrate, using a vacuum evaporation apparatus (the vacuum degree is about 10 -5 ~10 -6 Torr) heating and evaporating the above formula Alq at a temperature of 230℃(±10℃) 3 Powder to prepare Alq with a thickness of 50~2000nm on the substrate by vacuum deposition method 3 Amorphous film.

[0024] 2: Surface Alq 3 Nano and micron film preparation

[0025] Two pieces are plated with Alq 3 The quartz glass substrate of the amorphous film is placed face-to-face in a glass container, and the bottom of the container has a certain amount (100~500mg) of meridian Alq 3 For solid powder, vacuumize the glass cont...

Embodiment 2

[0026] Example 2: Using surface Alq 3 Single carrier transport device with nano-micro structure film as active layer

[0027] 1: Make Alq 3 The amorphous film method is as described in Example 1;

[0028] 2: Preparation of surface Alq 3 The nano-micron film is as described in Example 1;

[0029] 3: Preparation based on surface Alq 3 Single-carrier transport device with nano-micro structure ultra-thin film

[0030] The device structure is: [ITO / surface Alq 3 (1000nm) / LiF(15nm) / Au(2000nm)]. Preparation of surface Alq on ITO surface 3 Nano-micron film, ITO as anode, LiF and Au as composite cathode. Conductivity test proves surface Alq 3 Nano-micro films have good hole injection and transport properties. The specific experimental data of device performance are as follows figure 2 Shown. As the voltage increases, the current of the device gradually increases, when the electric field strength reaches 16×10 4 When volts / cm, the current density reaches 300mA / cm2, indicating that the surfac...

Embodiment 3

[0031] Example 3: Preparation of meridian Alq by double substrate method 3 Nano-micron film

[0032] 1: Utilize Alq 3 Prepare Alq as raw material 3 Amorphous film

[0033] Alq 3 The solid raw materials are purified by a conventional vacuum sublimation method. The samples deposited at room temperature are used to prepare amorphous films. This purification method can prepare pure meridian Alq 3 powder. Using quartz glass as the substrate, using a vacuum evaporation apparatus (vacuum degree of 10 -5 ~10 -6 Torr) heating and evaporating Alq at 230℃(±10℃) 3 , Prepare Alq with a thickness of 50~2000nm by vacuum deposition method 3 Amorphous film.

[0034] 2: Classical Alq 3 Preparation of nano and micro materials

[0035] Two pieces are plated with Alq 3 The quartz glass substrate of the amorphous film is placed face-to-face in a glass container, and the bottom of the container has a certain amount (100~500mg) of meridian Alq 3 For solid powder, vacuumize the glass container to remove oxyge...

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Abstract

The invention relates to the technical field of organic / coordination compounds photoelectric materials and devices. The invention provides a coordination compound small molecule 3(8-hydroxyquinoline) aluminium(Alq3) nano and micro material and a preparation method thereof, in particular to a face-type structural Alq3 nano and micro material prepared by amorphous membrane annealing (heat treatment) and a method thereof. The luminous peak positions of the face-type Alq3 nano and micro material and the memebrane material obtained in the invention are in a range of 465-475nm, the nano and micro material is in a rod-like structure, the diameter is 200-5000nm, the length is 3-50 mu m. The thickness of the luminous membrane constituted by the nano and micro material which is in a rod-like structure is between 200-5000nm, and the materials can be used for preparing ITO glass and can be used for preparing organic photoelectric devices.

Description

Technical field [0001] The technical field involved in the present invention belongs to the field of organic / complex photoelectric materials and devices. The present invention relates to a complex small molecule tris(8-hydroxyquinoline) aluminum (Alq 3 )Nano-micron materials and their preparation methods, especially the surface structure Alq prepared by annealing (heat treatment) of amorphous film 3 Nano and micron materials and their methods. Background technique [0002] [0003] Warp Alq3 Surface Alq3 [0004] Organic semiconductor light-emitting materials play a vital role in many fields such as organic electroluminescence, field effect transistors and solar cells. Alq 3 As a classic organic semiconductor light-emitting material, it has always received extensive attention and research. As a typical complex, Alq 3 The molecule has two isomer structures of meridian and face (see above formula). Relevant research proves that Alq 3 Molecules usually exist in the meridian structure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K11/06H01L51/54
Inventor 王悦
Owner JILIN YUANHE ELECTRONICS MATERIALS CO LTD
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