Deep-blue organic light-emitting diodes (OLEDs) based on rare earth cerium (III) complex owns a 100% exciton utilization efficiency. Since its initial, OLEDs have developed into tens of billions of dollars-worth industry in 30 years. In applications, high-efficiency phosphorescent materials with 100% exciton utilization have been able to meet the needs of three-primary red and green devices, but with longer excited-state lifetime and higher excited states. The blue light-emitting materials currently used in the industry are still in a low exciton utilization rate and a short-excited state lifetime (nanosecond).

The team led by Professor Xueliang Sun of the University of Western Ontario (UWO) and Professor Chandra Veer Singh of the University of Toronto clarified the phase evolution of a prenucleator (MoS₂) in all-solid-state lithium batteries (ASSLBs) for promoting fast Li nucleation and selective Li deposition. A paper on their work is published in the journal Advanced Energy Materials.

Analysis of latest tungsten market from Chinatungsten Online

The tungsten carbide power and cesium tungsten bronze prices in China continue to keep stable at the end of September as the demand side has not yet recovered completely with the impact of coronavirus. 

Rare earth market quotation in China: the europium oxide and dysprosium oxide prices keep stable while praseodymium oxide price declines slightly on September 29, 2020 due to deadlocked supply and demand, and heavy wait-and-see atmosphere in the market. 

Molybdenum market quotation in China: the molybdenum oxide, ferro molybdenum and molybdenum powder prices remain weak on Tuesday September 29, 2020 as market participant take a watchful stance with the approaching of Mid-autumn Festival and National Day holiday. 

Analysis of latest tungsten market from Chinatungsten Online

The ferro tungsten and ammonium paratungstate (APT) prices in China maintain stability on September 27, 2020 due to quiet market trading as a result of holiday atmosphere in the market. 

The International Mineralogical Association (IMA) selected its mineral of the year 2019 - Tewite, which was produced by Professor Li Guowu of the Academy of Sciences of China University of Geosciences (Beijing) in 2014 in Huaping County, Panzhihua, Xichang, Southwest China. The new minerals discovered near Nanyang Village have been formally approved by the International Organization of International Mineralogical Association of Commission on New Minerals, Nomenclature and Classification (IMA-CNMNC) (approval number IMA2014-053).

China is not only the largest rare earths production country but also the world's largest consumer of rare earths. According to the "Panorama Atlas of China's Rare Earth Industry in 2019", the consumption is about 57% of the global consumption. Next is Japan, which accounts for about 21% of global consumption.

Analysis of latest tungsten market from Chinatungsten Online

China tungsten price was stable in the week ended on Friday September 25, 2020 as the demand in the Golden September failed to meet market expectations. However, market participants still had good expect for the consumption growth of downstream industries such as new infrastructure.

Rare earth market quotation in China: the terbium oxide, praseodymium oxide and neodymium oxide prices decline slightly on September 27, 2020 as market activity is low with the approaching of the holiday.