 |
 |
 |
 |
 |
 |
||
 |
 |
 |
 |
 |
| 21 | 1/1 | 返回列表 |
| 查看: 1100 | 回復(fù): 20 | |||
[交流]
巴黎西岱大學(xué)(巴黎七大)Dr. Xiaonan SUN課題組招2025CSC博士生
|
|||
|
巴黎西岱大學(xué)(巴黎七大)Dr. Xiaonan SUN課題組招2025CSC博士生 研究單位：界面處理組織和系統(tǒng)動(dòng)力學(xué)實(shí)驗(yàn)室（ITODYS） 要求： 化學(xué)或者物理化學(xué)背景，2024年7月份取得碩士學(xué)位，最好有托福或雅思成績(jī)，CSC（公派）項(xiàng)目留學(xué)生。 課題主要方向是分子電子學(xué)，儀器涉及掃描隧道顯微鏡（STM），原子力顯微鏡（AFM），電化學(xué)工作站等。如有意向望盡快郵件導(dǎo)師Dr. Xiaonan Sun。Dr. Xiaonan Sun教授是個(gè)專注于科研的老師，平易近人，科研成果較好，在J. Am. Chem. Soc.和Nano Letter, Nanoscale, JPCL等學(xué)術(shù)雜志上發(fā)表多篇文章。 導(dǎo)師認(rèn)真負(fù)責(zé)，關(guān)心留學(xué)生，不論在科研還是生活都給了大家很多幫助，對(duì)想出國(guó)讀博的同學(xué)是很好的機(jī)會(huì)。 聯(lián)系方式：Xiaonan Sun: sun.xiaonan@u-paris.fr 詳細(xì)官方研究計(jì)劃如下，同時(shí)歡迎郵件咨詢。 Title: Charge transport properties of single molecular junctions Keywords: Charge transport properties, single molecule junction, Scanning tunneling microscope, diazonium reduction, conductance switching Type de financement demandé : 4 ans de thèse Equipe d’accueil : équipe nanoelectrochimie –ITODYS, UMR 7086, Université Paris Cité (Paris 7) Pôle : Sciences Exactes et Technologie / Exact Sciences and Technology Ecole doctorale : ED 388 - Chimie Physique et Chimie Analytique de Paris-Centre Langue de Travail : Anglais Direction : Dr. Xiaonan Sun Contact email: sun.xiaonan@u-paris.fr Project: The basic component of molecular devices is a molecular junction and the continuous downsizing of electrodes to a limit of 10 nm emphasizes the need for stable junctions at the single molecule level. As a result, the study of the transport properties of single molecular junctions (SMJ) has attracted broad and significant research interests in the past decades. In this respect, scanning tunneling microscopy break junction technique (STM-bj) will be used to construct and to study the charge transport properties and functionalities for future molecular memory and diode, the proposed phd project will mainly focus on the following points: Part I: The conductivity will be studied by STM-bj with the target to improve their stability Functional molecules with active anchoring groups are selected in investigating the single molecular junctions. STM-based break junction (BJ) measurements will be performed where STM tip will be controlled to crash on molecule decorated the surface and to pull-out the metal-molecule-metal junctions. Conductance-vs-extension (I(d)) curves will be extracted while pulling-out the junctions and will allow the measurements of the conductance of a single molecule.[1,2] The phd project will be to improve the SMJ stability, an important strategy is to step-wise modify the molecule/electrode contacts[3-4] from weak to strong. Rigid porphyrin-based SMJs will be built and compared with: weak top/molecule and strong covalent molecule/bottom contacts (C-Au or C-C bindings); and double covalent molecule/electrodes contacts. The life time of the SMJ is expected to be largely improved 5 (into minutes or hours) and the electric contacts to be optimized for a better performance of the junctions. The result of Part I will provide well-define method to achieve very stable SMJ for the following functionality characterization. Part II: SMJs with functionalities for memory The formation and the conductance measurement of SMJs with potential applicable functionalities for real-life devices are essential. Multi-states molecules [6-7] are appealing candidates for the design of molecular devices, such as for storage. The selected molecules which have not only multiple well-defined and stable states with distinctively tunable electronic properties [8-12], but can also and more importantly, be switched by different means such as light, heat or electrical stimulation. The target molecules will be then appropriately connected inside a SMJ (using the methods achieved in part I). Single molecule hysteretic I/V loops will be a direct proof of electric field generated SMJ conductance switching. A few factors such as the junction length, the modification of central molecular core with extra redox-active units are foreseen to involve multi states conductance switches and are hence expected to give high ON/OFF ratios above 1000. Overall, the ultimate and essential goal of the phd project is to build super-stable, multi-switchable SMJs with electric field generated conductance switching with high ON/OFF ratio for developing storage devices. Main teams of the field: The main teams of charge transport properties of single molecule junctions are: (i) I. Díez-Pérez, Department of Chemistry, University of King’s College London, England (ii) L.Venkataraman, Columbia University, USA (iii) H. Van der Zant, Delft University of Technology, the Netherlands (iv) W. J. Hong, Xiaoment University, China The PI of this project is expert on charge transport properties of single molecule junction and on Scanning tunneling microscopy to image molecular reactivities on surface. Using the experiences of the PI, two main target including the improvement of SMJ stability and the investigation of single molecule conductance switching will be mainly investigated. The scientific results can be used for the optimization of single molecule-based devices such as memory or storage. [1] B. Xu, N. J. Tao, Science 301, 1221-1223 (2003). [2] D. Xiang, X. Guo, et. al. Chem. Rev., 116, 4318 (2016). [3] V. Q. Nguyen, X. Sun, F. Lafolet, F. F. Audibert; F. Miomandre, G. Lemercier, F. Loiseau, J. C. Lacroix, J. Am. Chem. Soc. 138, 9381 (2016). [4] X. Yao, X. Sun*, F. Lafolet, J.C. Lacroix, Nano Lett. 20, 6899 (2020). [5] X. Yao, X. Sun*, J. Weiss, J.-C. Lacroix et al. Nano Lett. 21, 6540 (2021) [6] I. Hnid, X. Sun*, D. Frath, F. Lafolet, J. C. Lacroix, Nanoscale 11, 23042 (2019) [7] I. Hnid, L. Guan, E. Chatir, S. Cobo, F. Lafolet, F. Maurel, JC. Lacroix, X. Sun*, Nanomaterials 12 (8), 1318 (2022) [8] Q. V. Nguyen, P. Martin, D. Frath, M. L. Della Rocca, F. Lafolet, C. Barraud, P. Lafarge, V. Mukundan, D. James, R.L McCreery, J. C. Lacroix, J. Am. Chem. Soc. 139 , 11913(2017). [9] I. Hnid, D.Frath, F. Lafolet, X. Sun, J. C. Lacroix, J. Am. Chem. Soc. 142 7732(2020). [10] Q. V. Nguyen, P. Martin, D. Frath, M.L. Della Rocca, F. Lafolet, S. Bellinck, P. Lafarge, J.C. Lacroix*, J. Am. Chem. Soc. 140,10131(2018). [11] I. Hnid, M. Liu, D. Frath, S. Bellynck, F. Lafolet, X. Sun*, J.C. Lacroix , Nano Letters 21 (18), 7555 (2021). [12] X. Yao, M. Vonesch, M. Combes, J. Weiss, X. Sun*, and J. C. Lacroix. Single-Molecule Junctions with Highly Improved Stability. J. Mate. Chem. C, 12 (12), 4326 (2024). |
回復(fù)此樓» 猜你喜歡
一志愿天津大學(xué)材料與化工275求調(diào)劑
已經(jīng)有22人回復(fù)
-
0703求調(diào)劑
已經(jīng)有5人回復(fù)
-
0857 資源與環(huán)境 285分
已經(jīng)有6人回復(fù)
-
材料工程,326分，求調(diào)劑
已經(jīng)有5人回復(fù)
-
301求調(diào)劑
已經(jīng)有5人回復(fù)
-
334求調(diào)劑
已經(jīng)有3人回復(fù)
-
材料與化工085600調(diào)劑求老師收留
已經(jīng)有5人回復(fù)
-
一志愿華科071000生物學(xué) 338求調(diào)劑
已經(jīng)有4人回復(fù)
-
290求調(diào)劑
已經(jīng)有4人回復(fù)
-
308求調(diào)劑
已經(jīng)有4人回復(fù)
» 本主題相關(guān)商家推薦: (我也要在這里推廣)
» 搶金幣啦！回帖就可以得到:
-
中科院蘭化所（蘇州基地）招聘助理研究員
+5/750
-
南京工業(yè)大學(xué)楊建教授聯(lián)合蘇州實(shí)驗(yàn)室/上硅所聯(lián)合培養(yǎng)博生研究生
+1/180
-
化學(xué)化工學(xué)院 招收化工、化學(xué)、材料等相關(guān)方向研究生（學(xué)碩、專碩都有調(diào)劑名額）
+1/83
-
arXiv 預(yù)印本求推薦
+2/42
-
澳大利亞皇家墨爾本理工大學(xué)（RMIT）理學(xué)院 院士團(tuán)隊(duì)2026招收CSC博士生
+1/36
-
長(zhǎng)江大學(xué)武漢校區(qū)石油工程學(xué)院人才招聘-2026
+1/35
-
結(jié)節(jié)穿刺等待中，求良性
+1/34
-
陜西理工大學(xué)急調(diào)考物理或天文方向的研究生
+1/33
-
美國(guó)密蘇里大學(xué)“柔性電子”課題組誠(chéng)聘博士和博士后
+1/16
-
青島科技大學(xué)0860 調(diào)劑招生
+1/13
-
哈爾濱理工大學(xué)材料與化學(xué)工程學(xué)院 納米功能材料與光電催化團(tuán)隊(duì) 招收碩士研究生
+1/12
-
【神經(jīng)生物學(xué)考博求助】
+1/10
-
青島科技大學(xué)高分子學(xué)院---生物大分子醫(yī)學(xué)（BM3)團(tuán)隊(duì)---招收碩士生和博士生
+1/9
-
食品科學(xué)與工程083200-297分
+1/8
-
福建農(nóng)林大學(xué)綠色光電器件與儲(chǔ)能電池團(tuán)隊(duì)招收2026年研究生(含調(diào)劑)
+1/7
-
長(zhǎng)江大學(xué)武漢校區(qū)石油工程學(xué)院人才招聘-2026
+1/6
-
重慶大學(xué)藥學(xué)院閆海龍課題組擬招收2026年申請(qǐng)考核制博士研究生
+1/6
-
北京高校副校長(zhǎng)團(tuán)隊(duì)招收機(jī)械類，環(huán)境類學(xué)碩和專碩
+1/4
-
香港理工大學(xué)招收2026年秋季及2027年春季博士
+1/4
-
加泰羅尼亞理工大學(xué)/江漢大學(xué)中外雙博士學(xué)位項(xiàng)目
+1/1
17樓2024-11-16 10:01:28
簡(jiǎn)單回復(fù)
2024-11-16 01:27
回復(fù)
武炎1314(金幣+5): 謝謝參與
tfang3樓
2024-11-16 05:17
回復(fù)
hyjcs4樓
2024-11-16 05:53
回復(fù)
武炎1314(金幣+5): 謝謝參與
哦 發(fā)自小木蟲Android客戶端
tzynew5樓
2024-11-16 06:01
回復(fù)
武炎1314(金幣+5): 謝謝參與
i 發(fā)自小木蟲Android客戶端
2024-11-16 06:49
回復(fù)
nono20097樓
2024-11-16 07:26
回復(fù)
武炎1314(金幣+5): 謝謝參與
。 發(fā)自小木蟲Android客戶端
羽毛楓f8樓
2024-11-16 07:32
回復(fù)
武炎1314(金幣+5): 謝謝參與
云在青天9樓
2024-11-16 07:42
回復(fù)
slytjiaofei10樓
2024-11-16 08:01
回復(fù)
武炎1314(金幣+5): 謝謝參與
shenrenren11樓
2024-11-16 08:23
回復(fù)
武炎1314(金幣+5): 謝謝參與
庚辰辛丑12樓
2024-11-16 08:33
回復(fù)
武炎1314(金幣+5): 謝謝參與
風(fēng)吹荷葉煞13樓
2024-11-16 08:43
回復(fù)
jiaoxg14樓
2024-11-16 08:55
回復(fù)
武炎1314(金幣+5): 謝謝參與
luciferosa15樓
2024-11-16 09:18
回復(fù)
武炎1314(金幣+5): 謝謝參與
jjliouu16樓
2024-11-16 09:20
回復(fù)
武炎1314(金幣+5): 謝謝參與
+
wdwd12318樓
2024-11-16 10:06
回復(fù)
武炎1314(金幣+5): 謝謝參與
o
nBu鋰19樓
2024-11-16 10:33
回復(fù)
武炎1314(金幣+5): 謝謝參與
。
xishandian20樓
2024-11-16 15:16
回復(fù)
武炎1314(金幣+5): 謝謝參與
miaojiabing21樓
2024-11-16 16:36
回復(fù)
武炎1314(金幣+5): 謝謝參與
相關(guān)版塊跳轉(zhuǎn)
我要訂閱樓主 武炎1314 的主題更新
| 21 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 求調(diào)劑 +5 | yfihxh 2026-03-09 | 5/250 |
|
|---|---|---|---|---|
|
[考研] 293求調(diào)劑，一志愿陜師大生物學(xué) +3 | ??????.?.??? 2026-03-09 | 3/150 |
|
|
|
[基金申請(qǐng)] 提交后的基金本子，已讓學(xué)校撤回了，可否換口子提交 +3 | dut_pfx 2026-03-10 | 3/150 |
|
|
|
[考研] 312求調(diào)劑 +5 | 陌宸希 2026-03-10 | 5/250 |
|
|
|
[考研] 標(biāo)題:撿漏預(yù)警|08工科/09農(nóng)學(xué)調(diào)劑!英語(yǔ)要求低，過線即有機(jī)會(huì)! +7 | 馬超放煙花 2026-03-07 | 12/600 |
|
|
|
[考研] 哈工大材料324求調(diào)劑 +6 | 閆旭東 2026-03-10 | 8/400 |
|
|
|
[考研] 調(diào)劑 +5 | 調(diào)劑的考研學(xué)生 2026-03-09 | 5/250 |
|
|
|
[考研] 308求調(diào)劑 +4 | 是Lupa啊 2026-03-08 | 7/350 |
|
|
|
[考研] 2026考研求調(diào)劑-材料類-本科211一志愿985-初試301分 +10 | 蟲友233 2026-03-07 | 10/500 |
|
|
|
[考研] 一志愿天津大學(xué)，英一數(shù)二305分求調(diào)劑，四六級(jí)已過 +7 | 小小番的茄 2026-03-09 | 7/350 |
|
|
|
[考研] 一志愿天大化工（085600）調(diào)劑總分338 +5 | 蔡大美女 2026-03-09 | 5/250 |
|
|
|
[考研] 085600材料與化工 326 求調(diào)劑 +4 | 熱愛生活ing 2026-03-09 | 4/200 |
|
|
|
[考研] 293求調(diào)劑 +4 | 上班不著吉 2026-03-09 | 4/200 |
|
|
|
[考研] 293一志愿華東理工 0817化學(xué)工程與技術(shù) 調(diào)劑 +5 | fjj0912 2026-03-07 | 5/250 |
|
|
|
[考博] 26申博自薦 +9 | 烷基八氮- 2026-03-06 | 11/550 |
|
|
|
[考研] 288求調(diào)劑（0703）一志愿東北大學(xué) +5 | 好好- 2026-03-07 | 5/250 |
|
|
|
[考研] 求調(diào)劑 +4 | 呼呼？~+123456 2026-03-06 | 4/200 |
|
|
|
[考研] 268求調(diào)劑 +4 | 劉合華 2026-03-05 | 4/200 |
|
|
|
[考研] 化工282求調(diào)劑一志愿211 +5 | NA0912 2026-03-05 | 6/300 |
|
|
|
[考研] 材料調(diào)劑 +4 | L9370 2026-03-05 | 4/200 |
|