马万里
博士 教授 博士生导师
苏州大学 纳米科技学院
新一代半透明,柔性太阳能电池。发展绿色能源,致力于解决全球能源危机。
个性化签名
- 姓名:马万里
- 目前身份:在职研究人员
- 担任导师情况:博士生导师
- 学位:博士
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学术头衔:
博士生导师
- 职称:高级-教授
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学科领域:
半导体技术
- 研究兴趣:新一代半透明,柔性太阳能电池。发展绿色能源,致力于解决全球能源危机。
马万里,教授、博士生导师。
学术经历:
2011年-至今, 苏州大学功能纳米与软物质实验室,教授
2007年-2010年, 美国加州大学伯克利分校和劳伦斯伯克利国家实验室,博士后合作导师为纳米领域的先驱,劳伦斯伯克利国家实验室主任Paul Alivisatos教授
2000年-2006年, 美国加州大学圣塔芭芭拉分校(UCSB),博士导师为2000年诺贝尔化学奖获得者Alan Heeger教授;
1992年-2000年, 复旦大学,学士&硕士
研究方向:新一代半透明,柔性太阳能电池。发展绿色能源,致力于解决全球能源危机。近年来在新型太阳能电池和有机照明领域做出一系列开创性工作,在Nat. Mater.(1篇)、JACS (2篇)、Phy. Rev. Lett. (1篇)、Adv. Mater. (8篇)、Nano Lett.(2篇)、Adv. Funct. Mater.(6篇)、Adv. Energy Mater(5篇)、ACS Nano(2篇) Nano Energy (2篇)等国际重要刊物发表论文近100篇,授权发明专利近10项,部分专利已经被美国著名有机光伏公司购买并运用于实际生产。论文总引用次数接近15000次,单篇论文最高引用超过5000次,引用次数超过100的论文14篇,2014-2017年连续三年入选国内高引用学者榜单。担任Nat.Commun.,Adv. Mater., Adv. Func. Mater., Nano Lett.,等著名国际期刊的审稿人和仲裁。作为首席科学家主持国家高技术研究发展计划(863计划);国家重点研发计划子课题负责人;主持国家自然科学基金面上项目;主持江苏省自然科学基金面上项目;参与国家自然科学基金重点项目:“海峡两岸合作有机白光项目”。2012年入选首批国家自然科学基金“优秀青年基金”;2011年入选江苏省“高层次创新创业人才引进计划”。2012年苏州市紧缺人才,苏州高层次海外领军人才。
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255
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成果数
10
【期刊论文】Efficient Polymer Solar Cells with a High Open Circuit Voltage of 1 Volt
Advanced Functional Materials,2012,23(7):885-892
2012年09月17日
A series of polymers containing benzo[1,2‐b:4,5‐b′]dithiophene and N‐alkylthieno[3,4‐c]pyrrole‐4,6‐dione are designed. By incorporating different alkylthienyl side chains, the fill factor (FF) and open circuit voltage (Voc) of the copolymers are further improved. The experimental results and theoretical calculations show that the size and topology of the side chains can influence the polymer solubility, energy levels, and intermolecular packing by altering the molecular coplanarity. As a result of improved morphology and fine‐tuned energy levels, an increased FF and a high Voc of 1.00 V are achieved, as well as a power conversion efficiency of 6.17%, which is the highest efficiency ever reported for polymer solar cells with a Voc over 1 V.
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Advanced Materials,2013,25(40):5772-5778
2013年08月12日
Solution‐processed hybrid solar cells employing a low band‐gap polymer and PbSxSe1‐x alloy nanocrystals, achieving a record high PCE of 5.50% and an optimal FF of 67% are presented. The remarkable device efficiency can be attributed to the high‐performance active materials, the optimal polymer/NCs ratio and, more importantly, the vertical donor/(donor:acceptor)/acceptor structure which benefits charge dissociation and transport.
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Advanced Materials,2014,26(22):3624-3630
2014年03月14日
The introduction of “double aromatic side‐chains” to the existing polymer backbone is an effective approach to obtain high performance polymer solar cells with low fullerene and additive concentrations, leading to improved absorbance for thin film and more environment‐friendly processing.
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【期刊论文】Pulsed Lasers Employing Solution‐Processed Plasmonic Cu3−xP Colloidal Nanocrystals
Advanced Materials,2016,28(18):3535-3542
2016年03月10日
A new approach to synthesize self‐doped colloidal Cu3−xP NCs with controlled size and localized surface plasmon resonance absorption is reported. These Cu3−xP NCs show ultrafast exciton dynamics and huge optical nonlinearities due to plasmonic resonances, which afford the first demonstration of plasmonic Cu3−xP NCs as simple, effective, and solution‐processed nonlinear absorbers for high‐energy Q‐switched fiber laser.
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【期刊论文】Improved All‐Polymer Solar Cell Performance by Using Matched Polymer Acceptor
Advanced Functional Materials,2016,26(31):5669-5678
2016年06月01日
By the introduction of different building blocks and side‐chains, a series of donor–acceptor type polymer acceptors containing naphthalene diimide have been successfully prepared. The theoretical and experimental results show that the molecular design effectively tunes the energy levels, solubility, and coplanarity of the acceptor polymers. The intermolecular packing, which has been considered as a key factor in the bulk heterojunction morphology, has been adjusted by changing the coplanarity. As a result of improved morphology and fine‐tuned energy levels, a power conversion efficiency of 6.0% has been demonstrated for the optimized devices, which is among the highest‐efficiencies for reported all‐polymer solar cells. The improved device performance may be attributed to the resemble crystallinity of the donor/acceptor polymers, which can lead to the optimal phase separation morphology balancing both charge transfer and transport.
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J. Am. Chem. Soc.,2017,139(15):5309–5312
2017年03月30日
Lead halide perovskite nanocrystals (NCs) have emerged as attractive nanomaterials owing to their excellent optical and optoelectronic properties. Their intrinsic instability and soft nature enable a post-synthetic controlled chemical transformation. We studied a ligand mediated transformation of presynthesized CsPbBr3 NCs to a new type of lead–halide depleted perovskite derivative nanocrystal, namely Cs4PbBr6. The transformation is initiated by amine addition, and the use of alkyl-thiol ligands greatly improves the size uniformity and chemical stability of the derived NCs. The thermodynamically driven transformation is governed by a two-step dissolution–recrystallization mechanism, which is monitored optically. Our results not only shed light on a decomposition pathway of CsPbBr3 NCs but also present a method to synthesize uniform colloidal Cs4PbBr6 NCs, which may actually be a common product of perovskite NCs degradation.
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【期刊论文】Thermally Stable All‐Polymer Solar Cells with High Tolerance on Blend Ratios
Advanced Energy Materials,2018,8(18):1800029
2018年03月12日
Tuning the blend composition is an essential step to optimize the power conversion efficiency (PCE) of organic bulk heterojunction (BHJ) solar cells. PCEs from devices of unoptimized donor:acceptor (D:A) weight ratio are generally significantly lower than optimized devices. Here, two high‐performance organic nonfullerene BHJ blends PBDB‐T:ITIC and PBDB‐T:N2200 are adopted to investigate the effect of blend ratio on device performance. It is found that the PCEs of polymer‐polymer (PBDB‐T:N2200) blend are more tolerant to composition changes, relative to polymer‐molecule (PBDB‐T:ITIC) devices. In both systems, short‐circuit current density (Jsc) is tracked closely with PCE, indicating that exciton dissociation and transport strongly influence PCEs. With dilute acceptor concentrations, polymer‐polymer blends maintain high electron mobility relative to the polymer‐molecule blends, which explains the dramatic difference in PCEs between them as a function of D:A blend ratio. In addition, polymer‐polymer solar cells, especially at high D:A blend ratio, are stable (less than 5% relative loss) over 70 d under continuous heating at 80 °C in a glovebox without encapsulation. This work demonstrates that all‐polymer solar cells show advantage in operational lifetime under thermal stress and blend‐ratio resilience, which indicates their high potential for designing of stable and scalable solar cells.
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【期刊论文】Improved Tandem All‐Polymer Solar Cells Performance by Using Spectrally Matched Subcells
Advanced Energy Materials,2018,8(14):1703291
2018年01月24日
All‐polymer solar cells (all‐PSCs) are attractive as alternatives to fabricate thermally and mechanically stable solar cells, especially with recent improvements in their power conversion efficiency (PCE). In this work, efficient all‐PSCs with near‐infrared response (up to 850 nm) are developed using newly designed regioregular polymer donors with relatively narrow optical gap. These all‐PSCs systems achieve PCEs up to 6.0% after incorporating fluorine into the polymer backbone. More importantly, these polymers exhibit absorbance that is complementary to previously reported wide bandgap polymer donors. Thus, the superior properties of the newly designed polymers afford opportunities to fabricate the first spectrally matched all‐polymer tandem solar cells with high performance. A PCE of 8.3% is then demonstrated which is the highest efficiency so far for all‐polymer tandem solar cells. The design of narrow bandgap polymers provides new directions to enhance the PCE of emerging single‐junction and tandem all polymer solar cells.
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Advanced Functional Materials,2018,28(15):1706377
2018年01月25日
In this contribution, a facile and universal method is successfully reported to fabricate perovskite solar cells (PSCs) with enhanced efficiency and stability. Through dissolving functional conjugated polymers in antisolvent chlorobenzene to treat the spinning CH3NH3PbI3 perovskite film, the resultant devices exhibit significantly enhanced efficiency and longevity simultaneously. In‐depth characterizations demonstrate that thin polymer layer well covers the top surface of perovskite film, resulting in certain surface passivation and morphology modification. More importantly, it is shown that through rational chemical modification, namely molecular fluorination, the air stability and photostability of the perovskite solar cells are remarkably enhanced. Considering the vast selection of conjugated polymer materials and easy functional design, promising new results are expected in further enhancement of device performance. It is believed that the findings provide exciting insights into the role of conjugated polymer in improving the current perovskite‐based solar cells.
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【期刊论文】In Situ Passivation for Efficient PbS Quantum Dot Solar Cells by Precursor Engineering
Advanced Materials,2018,30(16):1704871
2018年03月15日
Current efforts on lead sulfide quantum dot (PbS QD) solar cells are mostly paid to the device architecture engineering and postsynthetic surface modification, while very rare work regarding the optimization of PbS synthesis is reported. Here, PbS QDs are successfully synthesized using PbO and PbAc2 · 3H2O as the lead sources. QD solar cells based on PbAc‐PbS have demonstrated a high power conversion efficiency (PCE) of 10.82% (and independently certificated values of 10.62%), which is significantly higher than the PCE of 9.39% for PbO‐PbS QD based ones. For the first time, systematic investigations are carried out on the effect of lead precursor engineering on the device performance. It is revealed that acetate can act as an efficient capping ligands together with oleic acid, providing better surface coverage and replace some of the harmful hydroxyl (OH) ligands during the synthesis. Then the acetate on the surface can be exchanged by iodide and lead to desired passivation. This work demonstrates that the precursor engineering has great potential in performance improvement. It is also pointed out that the initial synthesis is an often neglected but critical stage and has abundant room for optimization to further improve the quality of the resultant QDs, leading to breakthrough efficiency.
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