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| 1 | Biomass-Derived Carbon Heterostructures Enable Environmentally Adaptive Wideband Electromagnetic Wave Absorbers显示文摘Although advances in wireless technologies such as miniature and wearable electronics have improved the quality of our lives,the ubiquitous use of electronics comes at the expense of increased exposure to electromagnetic(EM)radiation.Up to date,extensive efforts have been made to develop high-performance EM absorbers based on synthetic materials.However,the design of an EM absorber with both exceptional EM dissipation ability and good environmental adaptability remains a substantial challenge.Here,we report the design of a class of carbon heterostructures via hierarchical assembly of graphitized lignocellulose derived from bamboo.Specifically,the assemblies of nanofibers and nanosheets behave as a nanometer-sized antenna,which results in an enhancement of the conductive loss.In addition,we show that the composition of cellulose and lignin in the precursor significantly influences the shape of the assembly and the formation of covalent bonds,which affect the dielectric response-ability and the surface hydrophobicity(the apparent contact angle of water can reach 135°).Finally,we demonstrate that the obtained carbon heterostructure maintains its wideband EM absorption with an effective absorption frequency ranging from 12.5 to 16.7 GHz under conditions that simulate the real-world environment,including exposure to rainwater with slightly acidic/alkaline pH values.Overall,the advances reported in this work provide new design principles for the synthesis of high-performance EM absorbers that can find practical applications in real-world environments. | Zhichao Lou Qiuyi Wang Ufuoma IKara Rajdeep SMamtani Xiaodi Zhou Huiyang Bian Zhihong Yang Yanjun Li Hualiang Lv Solomon Adera Xiaoguang Wang | 2022 | Nano-Micro Letters2022，14，1： | 3 |
| 2 | An angle-insensitive electromagnetic absorber enabling a wideband absorption显示文摘Electromagnetic(EM)wave absorbers with wideband absorption capability are proposed as a strategy to mitigate environmental pollution by EM waves.However,designing an EM absorber with its performance capacity independent of the EM wave incident angle remains elusive to date.Resolving this challenge requires development of EM absorbers whose EM absorption performance is insensitive to the EM wave incident angle.Herein,we synthesized EM absorbers with a variety of structures with different symme-tries(including micro-/nanospheres,nanoflakes and nanotubes)to study the effect of the EM absorbers’structure and the EM wave incident angle on the EM absorption performance.Our analysis reveals that non-magnetic EM absorbers with spatially symmetric nanostructures exhibit excellent EM wave incident angle-insensitivity.Finally,we demonstrate that a class of non-magnetic EM absorbers made from bam-boo derived-carbon nanospheres exhibit EM incident angle-insensitivity and wideband EM absorption performance with an effective absorption band up to 3.5 GHz when the thickness is 1.4 mm,a signif-icant improvement from prior studies which used thicknesses as high as 3-4 mm for comparable EM absorption performance. | Zhichao Lou Qiuyi Wang Xiaodi Zhou Ufuoma I.Kara Rajdeep S.Mamtani Hualiang Lv Meng Zhang Zhihong Yang Yanjun Li Chenxuan Wang Solomon Adera Xiaoguang Wang | 2022 | Journal of Materials Science & Technology2022，，18： | 2 |
| 3 | Obesity as a risk factor for premenstrual syndrome 显示文摘 | Masho SW Adera T South-Paul J | 2005 | J Psychosom Obstet Gynaecol2005，26，1： | 1 |
| 4 | Previous abortion and the risk of low birth weight and preterm births显示文摘 | J S Brown Jr T Adera S W Masho | 2008 | J Epidemiol Community Health2008，62，： | 1 |
| 5 | Do African American men have lower survival from prostate cancer compared with White men? A meta-analysis 显示文摘 | Sridhar G Masho SW Adera T | 2010 | Am J Mens Health2010，4，3： | 1 |
| 6 | Symmetry reductions, exact so lutions and conservation laws of a new coupled KdV sys- tem显示文摘 | Abdullahi Rashid Adera | 2012 | Commun Nonlinear Sci Numer Simulat2012，，5： | 1 |
| 7 | Previous abortion and the risk of low birth weight and preterm births显示文摘 | Brown JS Adera T Masho SW | 2008 | Journal of Epidemiol Community Health2008，62，： | 1 |
| 8 | Cyclical mastalgia:Prevalence and associated health and behavioral factors显示文摘 | ADER DN SOUTH-PAUL J ADERA T | | 0，，02： | 1 |
| 9 | Obesity As a Risk Factor for Premenstrual Syndrome显示文摘 | Masho S W Adera T South-Paul J | 2005 | J Psychosom ObstetGynaecol2005，26，1： | 1 |
| 10 | Cyclycal mastalgia:prevalence and associated health and behavioral factors显示文摘 | Ader DN South Paul J Adera T | 2001 | J Psychosom Obstet Gynecol2001，22，2： | 1 |
| 11 | Hypercholesterolemia and coronary heart disease in the elderly:a meta-analysis显示文摘 | Anum EA Adera AT | | 0，，09： | 1 |
| 12 | Biological, social, and behavioral factors associated with premenstrual syndrome显示文摘 | Deuster PA Adera T South - Paul J | 1999 | Arch Family Med1999，8，2： | 1 |
| 13 | Obesity as a risk factor for premenstrual syndrome显示文摘 | Masho SW Adera T South-Paul J | 2005 | J Psychosom Obstet Gynaecol2005，26，1： | 1 |
| 14 | Cyclical mastalgia: prevalence and associated health and behavioral factors显示文摘 | D. N. Ader J. South-Paul T. Adera P. A. Deuster | 2001 | Journal of Psychosomatic Obstetrics & Gynecology2001，，2： | 1 |
| 15 | Previous abortion and the risk of low birth weight and preterm births显示文摘 | Brown JS Jr Adera T Masho SW | 2008 | J Epidemiol Community Health2008，62，： | 1 |
| 16 | Cyclical mastalgia:prevalence and associated health and behavioral factors显示文摘 | Ader D N South P J Adera T | | 0，，2： | 1 |
| 17 | Skin perfusion pressure measurement is valuable in the diagnosis of critical limb ischemia显示文摘 | Castronuovo JJ Jr Adera HM Smiell JM | 1997 | J Vasc Surg1997，26，： | 1 |
| 18 | Hypercholesterolemia and coronary heart disease in the elderly: a meta-analysis显示文摘 | Emmanuel A. Anum Tilahun Adera | 2004 | Annals of Epidemiology2004，，9： | 1 |
| 19 | Cyclical mastalgia: Prevalence and associated health and behavioral factors 显示文摘 | Ader DN South-Paul J Adera T | 2001 | J Psychosom Obstet Gynaecol2001，22，2： | 1 |
| 20 | Obesity and spinesurgery: relation to perioperative complications 显示文摘 | Patel N Bagan B V adera S | 2007 | N eurosurg Spine2007，6，4： | 1 |
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