{"id":4477,"date":"2014-04-21T12:16:48","date_gmt":"2014-04-21T12:16:48","guid":{"rendered":"https:\/\/staging.asminternational.org\/edfas\/results\/-\/journal_content\/56\/10192\/18346610\/NEWS\/"},"modified":"2023-02-07T04:53:29","modified_gmt":"2023-02-07T04:53:29","slug":"scalable-cvd-process-enables-one-atom-thick-layers-of-molybdenum-diselenide-semiconductor","status":"publish","type":"post","link":"https:\/\/www.asminternational.org\/edfas\/results\/-\/journal_content\/56\/10192\/18346610\/NEWS\/","title":{"rendered":"Scalable CVD process enables one atom-thick layers of molybdenum diselenide semiconductor"},"content":{"rendered":"<p>\n\tResearchers at Rice University &nbsp;in Houston and Nanyang Technological University in Singapore have developed a potentially scalable CVD method for making one-atom-thick layers of molybdenum diselenide. This semiconductor material is similar to graphene but has better properties for making devices such as switchable transistors and light-emitting diodes. TheSEM image shows the individual atoms in a two-dimensional sheet of molybdenum diselenide. &nbsp;The finding is significant because CVD is widely used by the semiconductor and materials industries to make thin films of silicon and carbon fibers.<\/p>\n<p>\n\t&#8220;This new method will allow us to exploit the properties of molybdenum diselenide in a number of applications,&#8221; said study leader Pulickel Ajayan, chair of Rice&#8217;s Department of Materials Science and NanoEngineering. &#8220;Unlike graphene, which can now easily be made in large sheets, many interesting 2-D materials remain difficult to synthesize. Now that we have a stable, efficient way to produce 2-D molybdenum diselenide, we are planning to expand this robust procedure to other 2-D materials.&#8221;<\/p>\n<p>\n\tIn the Rice study, Ajayan and colleagues tested their atomically thin layers of molybdenum diselenide by building a field effect transistor (FET), a commonly used device in the microelectronic industry. Tests of the FET found the electronic properties of the molybdenum diselenide layers were significantly better than those of molybdenum disulfide; the latter is a similar material that has been more extensively studied because it was easier to fabricate.<\/p>\n<p>\n\t<a href=\"http:\/\/www.rice.edu\/\" style=\"font-family: Helvetica, Arial, sans-serif; font-size: 0.9375em; line-height: 1.333333333em;\">www.rice.edu<\/a><\/p>\n<p>\n\t&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers at Rice University in Houston and Nanyang Technological University in Singapore have developed a potentially scalable CVD method for making one-atom-thick layers of molybdenum diselenide.<\/p>\n","protected":false},"author":63082,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[434,450,435,436,1],"tags":[],"class_list":["post-4477","post","type-post","status-publish","format-standard","hentry","category-electronics","category-general","category-news","category-news-articles","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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