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2007年全国高分子学术论文报告会

作者：宾月珍大连理工大学化工学院高分子材料系

＜正＞The composite films of ultrahigh molecular weight polyethylene（UHMWPE）with multiwalled carbon nanotubes（MWNTs）were prepared by gelation/crystallization,and the gel films were elongated to more than 50-fold.T... 详细信息

关键词： polyethylene carbon nanotube orientation iodine doping Raman Spectra

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Antimicrobial Rubber Nanocapsule-Based Iodophor Promotes Wound Healing

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CCS Chemistry 2020年第2期2卷 245-256页

作者： Ruiting Li Zhen Wang Xiaodong Lian Xiaohua Hu Yapei Wang Department of Chemistry Renmin University of ChinaBeijing 100872China Department of Burns and Plastic Surgery Beijing Jishuitan HospitalBeijing 100035China

Povidone–iodine has been leading the market of clinical disinfectants worldwide since the last century but has turned a blind eye to its cytotoxic effect on the cells of the human tissue.In this study,a commercial povidone–iodine,though considered an excellent antibacterial agent,was found to have a negative influence on mammal cell growth and wound healing in preclinical trials.At the early stage of wound treatment,it even severely deteriorated the wound and enlarged the wound area.However,our newly formulated iodophors,based on rubber nanoparticles,were able to discriminate between human and bacterial cells by inhibiting the cytotoxicity damage caused by iodine to mammalian tissue and vigorously,killed the bacterial cells,thereby,presenting as superior performers of wound care,compared with povidone–iodine.Wetook advantage of a redox combination of an emulsion complex loaded with iodine to solidify a trans-polyisoprene rubber into nanocapsules.Specifically,our fabricated class of rubber nanocapsules proved to be capable of promoting remarkable cell proliferation and wound recovery,thereby,serving as a promising candidate for biocompatible and healing-favored wound disinfection agents in place of povidone–iodine.

关键词： iodine doping antimicrobial rubber nanocapsules iodophor wound healing

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Photovoltaic Characteristics of iodine-doped Amorphous Carbon Thin Films Grown by Microwave Surface-Wave Plasma CVD

Photovoltaic Characteristics of Iodine-doped Amorphous Carbo...

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第十五届国际光伏科学与工程大会

作者： Masayoshi Umeno Department of Electronics and Information Engineering Chubu UniversityKasugai 487-8501Japan

This paper reports the effects of iodine (Ⅰ) doping on the optical, structural and photovoltaic properties of amorphous carbon (a-C) thin-films grown on silicon and quartz substrates by microwave surface wave plasma chemical vapor deposition at low temperature (doping) films were characterized by UV/VIS/NIR spectroscopy, Raman spectroscopy, X-ray photoelectron spectroscopy (XPS) and current-voltage measurements. The optical band gap of the undoped film (3.4 eV) dropped to 0.9 eV after I-doping. The XPS results confirmed the successful doping of I in the a-C film. The Raman results indicated I-induced graphitization in the doped-film. The photovoltaic measurements show that the open-circuit voltage (V) and short-circuit current density (J) of I-doped a-C film deposited on n-type silicon substrate under light illumination (AM 1.5, 100 mW/cm) were approximately 177 mV and 1.15μA respectively and the fill factor was found to be 0.217. The use of a-C in photovoltaic solar cells is still in its infancy due to complicated microstructure of carbon bondings, high defect density, low photoconductivity and difficulties in controlling conduction type. Further research is underway to realize cheap, reasonably high efficiency and environmental friendly a-C based solar cells.

关键词： Amorphous carbon thin films iodine doping Photovoltaic properties Solar cells

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