Nan Sun

Nanjing University of Aeronautics and Astronautics

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Jinming Cai

Kunming University of Science and Technology

Honglin Tan

Fracture Analysis Consultants (United States)

Xianglei Liu

Nanjing University of Aeronautics and Astronautics

Cheng Tian

Southwest University

Xiaoming Cai

Soochow University

Carol E. Tanner

University of Notre Dame

Alison Deatsch

University of Wisconsin–Madison

Ke Gao

Shandong University

Yimin Xuan

Nanjing University of Aeronautics and Astronautics

Zhengdong Zhang

Chengdu University of Technology

Cooperative Institutions

Chinese Academy of Sciences

University of Chinese Academy of Sciences

Kunming University of Science and Technology

Nanjing University of Aeronautics and Astronautics

Shanghai Jiao Tong University

Sichuan University

Peking University

Jiangsu University

Central South University

HUN-REN Szegedi Biológiai Kutatóközpont

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Enhanced Thermal Conductivity of 5A Molecular Sieve with BNs Segregated Structures

Advanced Engineering Materials (2017)

Nan Sun Quan‐Ping Zhang Haoran Sun Wen‐Bin Yang Yuanlin Zhou

5A molecular sieves have been widely used as adsorbents in cryogenic distillation for hydrogen isotope separation in fusion reactor engineering, but its low thermal conductivity is detrimental to the process stability. Improving the thermal conductivity of 5A molecular sieves is one of the most important goals for high‐performance devices. Here, firm segregated structures with boron nitride sheets (BNs) are constructed around 5A molecular sieve particles. SEM results show 30 µm BNs tend to form the better networks in comparison with that of 0.12 µm BNs at 40 wt% loadings. It is further verified that BNs with the larger size promote the thermal conductivity. Meanwhile, the thermal conductivity increases with the increasing amounts of BNs. XRD and specific surface area results indicate that the sintering and the addition of BNs exert negligible effects on the structure of 5A molecular sieve. These results indirectly show 5A molecular sieve with BNs segregated structures is very likely to be used for the application of hydrogen isotopic separation. Besides, this work provides new insight into the construction of segregated structure in inorganic porous materials.

Sieve (category theory)

10.1002/adem.201700745

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Citations (10)

Polyethylene separator supported thin-film composite forward osmosis membranes for concentrating lithium enriched brine

Water Research (2022)

Nan Sun Pengjia Dou Wentao Zhai Hailong He Long D. Nghiem

Brine

Thin-film composite membrane

Separator (oil production)

10.1016/j.watres.2022.118297

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Citations (50)

Ni-Phyllosilicate Nanotubes Coated by Ceria Nanolayer for Record-High Efficiency of 36.9% and Near-Limit Co2 Conversion in Solar-Driven Co2-to-Fuel Conversion

SSRN Electronic Journal (2022)

Hang Shi Cheng Tian Xianglei Liu Nan Sun Chao Song

Solar-driven CO 2 reduction by methane (CRM) into valuable syngas not only mitigates greenhouse gases but also provides high-value syngas. However, it is still a daunting challenge to achieve high solar-to-fuel efficiency and good durability simultaneously. Here, a novel strategy of direct photothermocatalytic CO 2 is proposed based on a unique nanocomposite of ceria coated Ni-phyllosilicate nanotubes (Ni-psnts@CeO 2 ). A record-high solar-to-fuel efficiency (36.9%) with very high production rates of H 2 and CO (120.90 and 136.84 mmol g cat min -1 ) and high CO 2 conversion rate (90.4%) close to thermodynamic limit are demonstrated. Excellent long-term durability is achieved due to its extremely low carbon deposition rate of 1.3×10 -4 g c g cat h -1 under focused UV-vis-IR irradiation for 100 h. These high performances are partially attributed to the active involving of lattice oxygen and oxygen vacancies from ceria in carbon gasification and CO 2 activation, which are confirmed by 18 O isotope labeling and In-situ DRIFTS measurements. In addition, decreased activation energy enabled via photoactivation effects from photoexcited hot electrons also benefits high activities under direct light illumination. This work offers novel approaches for highly efficient and stable solar-driven CO 2 -to-fuel conversion.

Solar fuel

10.2139/ssrn.4182545

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Air to fuel: Direct capture of CO2 from air and in-situ solar-driven conversion into syngas via Nix/NaA nanomaterials

Nano Research (2023)

Cheng Tian Xianglei Liu Chenxi Liu S. Li Qiyan Li

Carbon fibers

10.1007/s12274-023-5782-z

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Citations (8)

Optical and Nanoparticle Analysis of Normal and Cancer Cells by Light Transmission Spectroscopy

Bulletin of the American Physical Society (2015)

Alison Deatsch Nan Sun Jeffery Johnson Sharon Stack John Szajko

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Morphologies of GdBO3:Eu3+ one-dimensional nanomaterials

Journal of Alloys and Compounds (2009)

Zhi Yang Ya-lin Wen Nan Sun Yufei Wang Yan Huang

Nanorod

Nanomaterials

Europium

10.1016/j.jallcom.2009.09.073

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Citations (27)

A highly efficient solar-driven CO2 reforming of methane on Ni/MgAlO -LDH loaded Ni foam reactors with heat recovery: Experimental measurements and numerical simulations

Chemical Engineering Journal (2022)

Zekai Mu Xianglei Liu Hang Shi Chao Song Chunzhuo Dang

Overheating (electricity)

Methane reformer

Economic shortage

10.1016/j.cej.2022.137437

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Citations (24)

Efficient utilization of nickel single atoms for CO2 electroreduction by constructing 3D interconnected nitrogen-doped carbon tube network

Applied Catalysis B Environment and Energy (2023)

Kui Wang Bin Chen Yimin Xuan Wenjun Fan Nan Sun

Carbon fibers

10.1016/j.apcatb.2023.123083

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Citations (21)

Influence of Artemisiaannuaon the competition effect of Eupatorium adenophorum

Huazhong Nongye Daxue xuebao (2015)

Nan Sun

The competition relation between Eupatorium adenophorum and Artemisia annua was studied by using the multiple De Wit replacement series design method,which discussed the effects of growing character of E.adenophorumin different planting densities and mixture proportions.The results showed that the relative yield(RYg)and the relative density(RDg)were less than 1in mixture sample area between E.adenophorum and A.annua;with the increase of the mixture proportion of A.annua,the RYg and RDg of E.adenophorum were gradually decreasing,and stem diameter,branch number and biomass were also decreasing,which implied that the competition between E.adenophorum and A.annua was severer than intraspecific competition of E.adenophorumand the population expansion of E.adenophorum was restrained when A.annua existed.With the increase of the population density under the circumstance of higher mixture proportion of A.annua,root/shoot radio of E.adenophorum had a trend of reduction,but plant height of E.adenophorumhad a trend of increase,which suggested that E.adenophorumhad to adopt the allocation of resources model,namely,the strategy of the ground priority growth in response to stronger pressure of competition of A.annua.Based on the above results,we should replace E.adenophorumwith A.annuaat the early stages of invasion to have a good effect on the control of E.adenophorum.

Eupatorium

Artemisia annua

Population density

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A Novel Electrochemical Aptasensor for the Ultrasensitive Detection of Adenosine Triphosphate Based on DNA-Templated Copolymers

ACS Applied Materials & Interfaces (2021)

Xiaoyan He Jiandi Dong Huimin Han Nan Sun Wenyu Shi

Adenosine triphosphate (ATP) is a small but significant biological molecule that plays an important role in regulating cellular metabolism processes. Accurate and sensitive analytical techniques for detecting ATP are urgently needed. Herein, a new electrochemical aptasensor was designed in light of DNA-templated copolymers that parallel to the electrode for sensitive gauging of ATP. The ATP aptamer decorated by the electronic medium ferrocene can be regarded as a ″bridge″ connecting two DNA-templated copolymers. When ATP exists, because of the extraordinary binding selectivity of DNA-templated copolymers for target ATP, the rapid electron transfer of ferrocene was beneficial to the sensitive detection of target ATP. Specifically, our parallel DNA copolymers are more stable than upright DNA copolymers and have a faster signal transmission because of the close distance to the electrode; meanwhile, the nonspecific pollution is less. Consequently, the developed novel aptasensor exhibited a wide range of linear response toward ATP that was from 0.1 to 10 000 pM and high selectivity with a detection limit down to 11.5 fM. The electrochemical aptasensor has a broad application prospect in the detection of small biological molecules.

Aptamer

Adenosine triphosphate

10.1021/acsami.1c10173

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Citations (14)