共 5 条
[1]
Intrinsic non-radiative voltage losses in fullerene-based organic solar cells
[J].
Benduhn, Johannes
;
Tvingstedt, Kristofer
;
Piersimoni, Fortunato
;
Ullbrich, Sascha
;
Fan, Yeli
;
Tropiano, Manuel
;
McGarry, Kathryn A.
;
Zeika, Olaf
;
Riede, Moritz K.
;
Douglas, Christopher J.
;
Barlow, Stephen
;
Marder, Seth R.
;
Neher, Dieter
;
Spoltore, Donato
;
Vandewal, Koen
.
NATURE ENERGY,
2017, 2 (06)

Benduhn, Johannes
论文数: 0 引用数: 0
h-index: 0
机构:
Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany
Tech Univ Dresden, Inst Appl Phys, Nothnitzer Str 61, D-01187 Dresden, Germany Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Tvingstedt, Kristofer
论文数: 0 引用数: 0
h-index: 0
机构:
Julius Maximilian Univ Wurzburg, Expt Phys 6, D-97074 Wurzburg, Germany Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Piersimoni, Fortunato
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Potsdam, Inst Phys & Astron, Karl Liebknecht Str 24-25, D-14476 Potsdam, Germany Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Ullbrich, Sascha
论文数: 0 引用数: 0
h-index: 0
机构:
Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany
Tech Univ Dresden, Inst Appl Phys, Nothnitzer Str 61, D-01187 Dresden, Germany Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Fan, Yeli
论文数: 0 引用数: 0
h-index: 0
机构:
Georgia Inst Technol, Ctr Organ Photon & Elect, Atlanta, GA 30332 USA
Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA
Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Tropiano, Manuel
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Oxford, Chem Res Lab, Mansfield Rd, Oxford OX1 3TA, England Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

McGarry, Kathryn A.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Minnesota, Dept Chem, 207 Pleasant St Southeast, Minneapolis, MN 55455 USA Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Zeika, Olaf
论文数: 0 引用数: 0
h-index: 0
机构:
Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany
Tech Univ Dresden, Inst Appl Phys, Nothnitzer Str 61, D-01187 Dresden, Germany Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Riede, Moritz K.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Oxford, Dept Phys, Parks Rd, Oxford OX1 3PU, England Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Douglas, Christopher J.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Minnesota, Dept Chem, 207 Pleasant St Southeast, Minneapolis, MN 55455 USA Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Barlow, Stephen
论文数: 0 引用数: 0
h-index: 0
机构:
Georgia Inst Technol, Ctr Organ Photon & Elect, Atlanta, GA 30332 USA
Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Marder, Seth R.
论文数: 0 引用数: 0
h-index: 0
机构:
Georgia Inst Technol, Ctr Organ Photon & Elect, Atlanta, GA 30332 USA
Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

Neher, Dieter
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Potsdam, Inst Phys & Astron, Karl Liebknecht Str 24-25, D-14476 Potsdam, Germany Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany

论文数: 引用数:
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机构:

Vandewal, Koen
论文数: 0 引用数: 0
h-index: 0
机构:
Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany
Tech Univ Dresden, Inst Appl Phys, Nothnitzer Str 61, D-01187 Dresden, Germany Tech Univ Dresden, Dresden Integrated Ctr Appl Phys & Photon Mat IAP, Nothnitzer Str 61, D-01187 Dresden, Germany
[2]
Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells
[J].
Li, Chao
;
Zhou, Jiadong
;
Song, Jiali
;
Xu, Jinqiu
;
Zhang, Huotian
;
Zhang, Xuning
;
Guo, Jing
;
Zhu, Lei
;
Wei, Donghui
;
Han, Guangchao
;
Min, Jie
;
Zhang, Yuan
;
Xie, Zengqi
;
Yi, Yuanping
;
Yan, He
;
Gao, Feng
;
Liu, Feng
;
Sun, Yanming
.
NATURE ENERGY,
2021, 6 (06)
:605-613

Li, Chao
论文数: 0 引用数: 0
h-index: 0
机构:
Beihang Univ, Sch Chem, Beijing, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Zhou, Jiadong
论文数: 0 引用数: 0
h-index: 0
机构:
South China Univ Technol, Inst Polymer Optoelectron Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Song, Jiali
论文数: 0 引用数: 0
h-index: 0
机构:
Beihang Univ, Sch Chem, Beijing, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Xu, Jinqiu
论文数: 0 引用数: 0
h-index: 0
机构:
Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Insitu Ctr Phys Sci, Frontiers Sci Ctr Transformat Mol, Shanghai, Peoples R China
Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Ctr Hydrogen Sci, Shanghai, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Zhang, Huotian
论文数: 0 引用数: 0
h-index: 0
机构:
Linkoping Univ, Dept Phys Chem & Biol, Linkoping, Sweden Beihang Univ, Sch Chem, Beijing, Peoples R China

论文数: 引用数:
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机构:

Guo, Jing
论文数: 0 引用数: 0
h-index: 0
机构:
Wuhan Univ, Inst Adv Studies, Wuhan, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Zhu, Lei
论文数: 0 引用数: 0
h-index: 0
机构:
Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Insitu Ctr Phys Sci, Frontiers Sci Ctr Transformat Mol, Shanghai, Peoples R China
Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Ctr Hydrogen Sci, Shanghai, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Wei, Donghui
论文数: 0 引用数: 0
h-index: 0
机构:
Zhengzhou Univ, Coll Chem & Mol Engn, Zhengzhou, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Han, Guangchao
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Key Lab Organ Solids, Beijing, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Min, Jie
论文数: 0 引用数: 0
h-index: 0
机构:
Wuhan Univ, Inst Adv Studies, Wuhan, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Zhang, Yuan
论文数: 0 引用数: 0
h-index: 0
机构:
Beihang Univ, Sch Chem, Beijing, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Xie, Zengqi
论文数: 0 引用数: 0
h-index: 0
机构:
South China Univ Technol, Inst Polymer Optoelectron Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Yi, Yuanping
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Key Lab Organ Solids, Beijing, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Yan, He
论文数: 0 引用数: 0
h-index: 0
机构:
Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Gao, Feng
论文数: 0 引用数: 0
h-index: 0
机构:
Linkoping Univ, Dept Phys Chem & Biol, Linkoping, Sweden Beihang Univ, Sch Chem, Beijing, Peoples R China

Liu, Feng
论文数: 0 引用数: 0
h-index: 0
机构:
Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Insitu Ctr Phys Sci, Frontiers Sci Ctr Transformat Mol, Shanghai, Peoples R China
Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Ctr Hydrogen Sci, Shanghai, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China

Sun, Yanming
论文数: 0 引用数: 0
h-index: 0
机构:
Beihang Univ, Sch Chem, Beijing, Peoples R China
Beijing Adv Innovat Ctr Biomed Engn, Beijing, Peoples R China Beihang Univ, Sch Chem, Beijing, Peoples R China
[3]
Origin of the Tunable Open-Circuit Voltage in Ternary Blend Bulk Heterojunction Organic Solar Cells
[J].
Street, Robert A.
;
Davies, Daniel
;
Khlyabich, Petr P.
;
Burkhart, Beate
;
Thompson, Barry C.
.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,
2013, 135 (03)
:986-989

Street, Robert A.
论文数: 0 引用数: 0
h-index: 0
机构:
Xerox Corp, Palo Alto Res Ctr, Palo Alto, CA 94304 USA Xerox Corp, Palo Alto Res Ctr, Palo Alto, CA 94304 USA

Davies, Daniel
论文数: 0 引用数: 0
h-index: 0
机构:
Xerox Corp, Palo Alto Res Ctr, Palo Alto, CA 94304 USA Xerox Corp, Palo Alto Res Ctr, Palo Alto, CA 94304 USA

Khlyabich, Petr P.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA
Univ So Calif, Loker Hydrocarbon Res Inst, Los Angeles, CA 90089 USA Xerox Corp, Palo Alto Res Ctr, Palo Alto, CA 94304 USA

Burkhart, Beate
论文数: 0 引用数: 0
h-index: 0
机构:
Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA
Univ So Calif, Loker Hydrocarbon Res Inst, Los Angeles, CA 90089 USA Xerox Corp, Palo Alto Res Ctr, Palo Alto, CA 94304 USA

Thompson, Barry C.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA
Univ So Calif, Loker Hydrocarbon Res Inst, Los Angeles, CA 90089 USA Xerox Corp, Palo Alto Res Ctr, Palo Alto, CA 94304 USA
[4]
Renewed Prospects for Organic Photovoltaics
[J].
Zhang, Guichuan
;
Lin, Francis R.
;
Qi, Feng
;
Heumueller, Thomas
;
Distler, Andreas
;
Egelhaaf, Hans-Joachim
;
Li, Ning
;
Chow, Philip C. Y.
;
Brabec, Christoph J.
;
Jen, Alex K. -Y.
;
Yip, Hin-Lap
.
CHEMICAL REVIEWS,
2022,
:14180-14274

Zhang, Guichuan
论文数: 0 引用数: 0
h-index: 0
机构:
South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China
South China Normal Univ, Sch Semicond Sci & Technol, Foshan 528225, Peoples R China South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

Lin, Francis R.
论文数: 0 引用数: 0
h-index: 0
机构:
City Univ Hong Kong, Dept Mat Sci & Engn, Kowloon, Hong Kong 999077, Peoples R China
City Univ Hong Kong, Dept Chem, Kowloon, Hong Kong 999077, Peoples R China South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

Qi, Feng
论文数: 0 引用数: 0
h-index: 0
机构:
City Univ Hong Kong, Dept Mat Sci & Engn, Kowloon, Hong Kong 999077, Peoples R China
City Univ Hong Kong, Dept Chem, Kowloon, Hong Kong 999077, Peoples R China South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

Heumueller, Thomas
论文数: 0 引用数: 0
h-index: 0
机构:
Friedrich Alexander Univ Erlangen Nurnberg, Inst Mat Elect & Energy Technol i MEET, Dept Mat Sci & Engn, D-91058 Erlangen, Germany
Helmholtz Inst Erlangen Nurnberg HI ERN, D-91058 Erlangen, Germany South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

Distler, Andreas
论文数: 0 引用数: 0
h-index: 0
机构:
Friedrich Alexander Univ Erlangen Nurnberg, Inst Mat Elect & Energy Technol i MEET, Dept Mat Sci & Engn, D-91058 Erlangen, Germany South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

Egelhaaf, Hans-Joachim
论文数: 0 引用数: 0
h-index: 0
机构:
Friedrich Alexander Univ Erlangen Nurnberg, Inst Mat Elect & Energy Technol i MEET, Dept Mat Sci & Engn, D-91058 Erlangen, Germany
Helmholtz Inst Erlangen Nurnberg HI ERN, D-91058 Erlangen, Germany South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

Li, Ning
论文数: 0 引用数: 0
h-index: 0
机构:
South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

Chow, Philip C. Y.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Mech Engn, Pokfulam, Hong Kong 999077, Peoples R China South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

Brabec, Christoph J.
论文数: 0 引用数: 0
h-index: 0
机构:
Friedrich Alexander Univ Erlangen Nurnberg, Inst Mat Elect & Energy Technol i MEET, Dept Mat Sci & Engn, D-91058 Erlangen, Germany
Helmholtz Inst Erlangen Nurnberg HI ERN, D-91058 Erlangen, Germany South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

Jen, Alex K. -Y.
论文数: 0 引用数: 0
h-index: 0
机构:
City Univ Hong Kong, Dept Mat Sci & Engn, Kowloon, Hong Kong 999077, Peoples R China
City Univ Hong Kong, Hong Kong Inst Clean Energy, Kowloon, Hong Kong 999077, Peoples R China
City Univ Hong Kong, Dept Chem, Sch Energy & Environm, Kowloon, Hong Kong 999077, Peoples R China South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

Yip, Hin-Lap
论文数: 0 引用数: 0
h-index: 0
机构:
South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China
City Univ Hong Kong, Dept Mat Sci & Engn, Kowloon, Hong Kong 999077, Peoples R China
City Univ Hong Kong, Sch Energy & Environm, Kowloon, Hong Kong 999077, Peoples R China
City Univ Hong Kong, Hong Kong Inst Clean Energy, Kowloon, Hong Kong 999077, Peoples R China South China Univ Technol, Inst Polymer Optoelect Mat & Devices, Sch Mat Sci & Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China
[5]
High-efficiency small-molecule ternary solar cells with a hierarchical morphology enabled by synergizing fullerene and non-fullerene acceptors
[J].
Zhou, Zichun
;
Xu, Shengjie
;
Song, Jingnan
;
Jin, Yingzhi
;
Yue, Qihui
;
Qian, Yuhao
;
Liu, Feng
;
Zhang, Fengling
;
Zhu, Xiaozhang
.
NATURE ENERGY,
2018, 3 (11)
:952-959

Zhou, Zichun
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China
Univ Chinese Acad Sci, Sch Chem Sci, Beijing, Peoples R China Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China

Xu, Shengjie
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China

Song, Jingnan
论文数: 0 引用数: 0
h-index: 0
机构:
Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai, Peoples R China
Shanghai Jiao Tong Univ, CICIFSA, Shanghai, Peoples R China Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China

Jin, Yingzhi
论文数: 0 引用数: 0
h-index: 0
机构:
Linkoping Univ, Dept Phys Chem & Biol IFM, Linkoping, Sweden Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China

Yue, Qihui
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China
Univ Chinese Acad Sci, Sch Chem Sci, Beijing, Peoples R China Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China

Qian, Yuhao
论文数: 0 引用数: 0
h-index: 0
机构:
Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai, Peoples R China
Shanghai Jiao Tong Univ, CICIFSA, Shanghai, Peoples R China Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China

Liu, Feng
论文数: 0 引用数: 0
h-index: 0
机构:
Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai, Peoples R China
Shanghai Jiao Tong Univ, CICIFSA, Shanghai, Peoples R China Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China

Zhang, Fengling
论文数: 0 引用数: 0
h-index: 0
机构:
Linkoping Univ, Dept Phys Chem & Biol IFM, Linkoping, Sweden Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China

Zhu, Xiaozhang
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China
Univ Chinese Acad Sci, Sch Chem Sci, Beijing, Peoples R China Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing, Peoples R China