دانلود رایگان مقاله انگلیسی قرار دادن نانومواد کربن روی نقشه چرخه کربن - الزویر 2018

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عنوان فارسی

قرار دادن نانومواد کربن روی نقشه چرخه کربن

عنوان انگلیسی

Putting carbon nanomaterials on the carbon cycle map

صفحات مقاله فارسی

0

صفحات مقاله انگلیسی

3

سال انتشار

2018

نشریه

الزویر - Elsevier

فرمت مقاله انگلیسی

PDF

نوع مقاله

ISI

نوع نگارش

مقالات پژوهشی (تحقیقاتی)

رفرنس

دارد

پایگاه

اسکوپوس

کد محصول

E9688

رشته های مرتبط با این مقاله

شیمی

گرایش های مرتبط با این مقاله

شیمی آلی

مجله

نانو در دنیای امروز - Nano Today

دانشگاه

College of Environmental Science and Engineering - Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University) - China

کلمات کلیدی

نانومواد کربن، گرافن، چرخه کربن

doi یا شناسه دیجیتال

https://doi.org/10.1016/j.nantod.2018.02.001

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۰.۰ (بدون امتیاز)

امتیاز دهید

چکیده

abstract

The large-scale production and spread applications of carbon nanomaterials in the past few years have led to a very high proportion of carbon store in these materials worldwide, which may be imported into the carbon cycle. Carbon nanomaterials can enter living organisms, the atmosphere, soil, water and sediments, without being unchanged or degraded during their transfer. Here, we show that there is a scientific basis for researchers and policy-makers to be concerned about the potential impact of carbon nanomaterials on the carbon cycle and integrate them into the map of carbon cycle.

بخشی از متن مقاله

Carbon nanomaterials possess unique physical-chemical properties and have been applied in numerous areas [1–9]. Significant commercial interest has stimulated an increase in production capacity of carbon nanomaterials, and demand is still continually increasing [10,11]. Given that the main component of carbon nanomaterials such as carbon nanotubes, graphene and fullerene is carbon, a high proportion of the Earth’s carbon has been moved into these materials. Until now, however, they have not been considered as a potentially important part of carbon cycle because they are new emerging materials. The specific issue that we are addressing is whether carbon nanomaterials will play a role in carbon cycle. Herein, we provide three pieces of scientific evidence that demonstrate their potential role in carbon cycle: The first issue is that the carbon amount in carbon nanomaterials will become very large as the production of carbon nanomaterials continuously increases. It has been reported thatthe estimated production capacity of carbon nanotubes in 2011 was >4.5 kiloton/year, which is about 10 times more than that in 2006 [3]. For graphene films and small graphene sheets, the annual production capacity in China was reported to be more than 110,000 m2 and 0.4 kiloton, respectively [5]. The estimated annual U.S. production of fullerenes was 0.002–0.080 kiloton/year [7].

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