Great research efforts have b een paid to intro duce high-temp erature magnetism in twodimensional (2D) materials for spintronic applications. In this work, the electronic and magnetic properties of bare...
Cha mẹ ly hôn ảnh hưởng rất lớn đến cuộc sống, sự phát triển tâm lý của trẻ, sự biến đổi, phát triển bền vững của xã hội. Nghiên cứu sử dụng phương pháp điều tra bảng hỏi, phỏng vấn sâu, tổng hợp phân tích tài liệu, xử lý SPSS với mục đích tìm hiểu thực trạng, chỉ ra những tác động của sự gia tăng trẻ em trong các gia đình sau ly hôn tại huyện Tân Phú Đông tỉnh Tiền Giang và phân tích ảnh hưởng của nó đến sự phát triển của trẻ, của xã hội cũng như như đưa ra một số giải pháp can thiệp phù hợp.
It is know that Multi-walled Carbon Nano Tubes (MWCNTs) are an excellent conduction nanomaterial while Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT-PSS) is a conductive and transparent polymer. In this paper, we mix MWCNTs with PEDOT-PSS to create a new type of nanocomposite thin film which has both excellent conduction and transparency of each composition materials for applications in electronics and optoelectronics. The nanocomposite is synthesized by modifying MWCNTs in an acid solution then mix with PEDOT-PSS. The field emission scanning electron microscopy (FESEM) images of the fabricated thin film with 0.3 Wt% of MWCNTs show that the diameter and length of the MWCNTs are ca.10-30 nm and 300-500 nm, respectively. Electrical and optical properties of thin film are also investigated: the sheet resistance reaches the minimum value of 36.5 Ω/□ with the transparency of ca.76% at the wave length of 600 nm. Furthermore, I-V characteristics of organic light emission diodes (OLEDs) made by the synthesized nanocomposite thin films are analyzed. The ITO/PEDOT-PSS:CNTs/PVK:MEH-PPV/Al multilayer OLED exhibits well improving performance with the work function of 0.8 V corresponding with the current of 0.4 mA while the ITO/PVK:MEH-PPV/Al simple OLED has the work function of 3 V and the current of only 0.01 mA.
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